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I think the directories I'm removing should never have been there. Signed-off-by: Ronald Minnich <rminnich@gmail.com>
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LGTM our first travis run passed |
This was referenced Feb 26, 2018
Closed
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
10000TB
added a commit
that referenced
this pull request
Feb 22, 2023
This is only triggered when we specify to not load
image. Downloaded image info, together with other
configs like cmdline will be saved to a file under
tmpfs, which can be reloaded via kexec cmd.
An example flow looks like
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# echo '{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/ke
rnel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }' > /tmp/linux_i
mage_cfg.json
/# cat /tmp/linux_image_cfg.json
{ "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
/# ls /testdata
initramfs.cpio
kernel
/# kexec -d -I /tmp/linux_image_cfg.json
1970/01/01 00:01:25 Load image info from /tmp/linux_image_cfg.json
1970/01/01 00:01:25 read: { "InitrdPath": "/testdata/initramfs.cpio", "KernelPath": "/testdata/kernel", "Cmdline": "/proc/cmdline", "Name": "testloadconfig" }
1970/01/01 00:01:25 Call json.Unmarshal ...
1970/01/01 00:01:25 Start unmarshal
1970/01/01 00:01:25 lliJSON: {Name:testloadconfig KernelPath:/testdata/kernel InitrdPath:/testdata/initramfs.cpio Cmdline:/proc/cmdline LoadSyscall:false KexecOpts:{DTB:<nil> MmapKernel:false MmapRamfs:false}}
1970/01/01 00:01:25 Check lliJSON
1970/01/01 00:01:25 Done json.Marshal...
.
..
1970/01/01 00:01:26 Kernel: /tmp/kexec-image1468578633
1970/01/01 00:01:26 Initrd: /tmp/kexec-image3979801582
1970/01/01 00:01:26 Command line: /proc/cmdline
1970/01/01 00:01:26 KexecOpts: linux.KexecOptions{DTB:io.ReaderAt(nil), MmapKernel:false, MmapRamfs:false}
Booting Linux on physical CPU 0x0000000000 [0x000f0510]
Linux version 5.15.0 (xuehaohu@worldpeace.svl.corp.google.com) (aarch64-linux-gnu-gcc (Debian 12.2.0-3) 12.2.0, GNU ld (GNU Binutils for Debian) 2.39.50.20221208) #2 SMP Tue Feb 21 15:13:11 PST 2023
Machine model: linux,dummy-virt
efi: UEFI not found.
Zone ranges:
DMA [mem 0x0000000040000000-0x00000000ffffffff]
DMA32 empty
Normal [mem 0x0000000100000000-0x000000013fffffff]
NET: Registered PF_INET6 protocol family
...
... (linux booting)
...
Segment Routing with IPv6
In-situ OAM (IOAM) with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered PF_PACKET protocol family
9pnet: Installing 9P2000 support
Freeing initrd memory: 12748K
Freeing unused kernel memory: 960K
Run /init as init process
1970/01/01 00:00:03 Welcome to u-root!
_
_ _ _ __ ___ ___ | |_
| | | |____| '__/ _ \ / _ \| __|
| |_| |____| | | (_) | (_) | |_
\__,_| |_| \___/ \___/ \__|
/# uname -a
Linux (none) 5.15.0 #2 SMP Tue Feb 21 15:13:11 PST 2023 aarch64 (none)
/#
Signed-off-by: David Hu <xuehaohu@google.com>
rminnich
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newcpu from u-root
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Add golang CI based on github templates Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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� This is the 1st commit message: Organize errors for pkg/boot/universalpayload Change-Id: I47a0bb941fe58f17e47c5844fc7fc6f1b6b1c924 Signed-off-by: Raysmond <raysmond.lei@newfw.com> � The commit message u-root#2 will be skipped: � squash! Organize errors for pkg/boot/universalpayload � � Signed-off-by: Raysmond <raysmond.lei@newfw.com>
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