On 8/12/19 3:43 PM, Rong Chen wrote:
Hi,
On 8/5/19 9:32 PM, Borislav Petkov wrote:
On Mon, Aug 05, 2019 at 03:02:21PM +0200, Borislav Petkov wrote:
On Mon, Aug 05, 2019 at 07:49:54PM +0800, Chen, Rong A wrote:
We use the following command to boot a new kernel:
kexec --noefi -l
/opt/rootfs/tmp/pkg/linux/x86_64-rhel-7.6/gcc-7/5b51ae969e3d8ab0134ee3c98a769ad6d2cc2e24/vmlinuz-5.2.0-rc3-00004-g5b51ae969e3d8a
--initrd=/opt/rootfs/tmp/initrd-concatenated
And this "concatenated" initrd, how do you generate that?
And the "-l" thing is just the kexec load command to load the second
kernel. I need you to give me a step-by-step, exact command-by-command
list of things you do to trigger.
Also, pls send me dmesg from the first kernel. Privately is fine too.
Thx.
Sorry for the delay, I've found a machine which can reproduce the
issue at last.
root@lkp-bdw-de1 ~# kexec --version
kexec-tools 2.0.14
kexec reboots the system without "-e option"
root@lkp-bdw-de1 ~# kexec --noefi
vmlinuz-5.2.0-rc3-00004-g5b51ae969e3d8a --initrd final_initrd-borrow
--reuse-cmdline
Unknown type (Reserved) while parsing /sys/firmware/memmap/7/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/13/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/11/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/1/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/4/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/12/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/2/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/9/type.
Please report this as bug. Using RANGE_RESERVED now.
Connection to lkp-bdw-de1 closed by remote host.
Connection to lkp-bdw-de1 closed.
The behavior is as usual if using "nokaslr"
root@lkp-bdw-de1 ~# kexec -l vmlinuz-5.2.0-rc3-00004-g5b51ae969e3d8a
--initrd final_initrd-borrow --reuse-cmdline --append "nokaslr"
Unknown type (Reserved) while parsing /sys/firmware/memmap/7/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/13/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/11/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/1/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/4/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/12/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/2/type.
Please report this as bug. Using RANGE_RESERVED now.
Unknown type (Reserved) while parsing /sys/firmware/memmap/9/type.
Please report this as bug. Using RANGE_RESERVED now.
root@lkp-bdw-de1 ~# kexec -e
And please find the pre-dmesg in the attachment.
I've uploaded the vmlinuz and initrd files to
https://download.01.org/0day-ci/lkp-qemu/fbc/5b51ae969e3d8ab0134ee3c98a769ad6d2cc2e24
Best Regards,
Rong Chen
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