Hi,
On 8/2/2019 5:30 PM, Borislav Petkov wrote:
On Fri, Aug 02, 2019 at 03:48:53PM +0800, kernel test robot wrote:
FYI, we noticed the following commit (built with gcc-7):
commit: 5b51ae969e3d8ab0134ee3c98a769ad6d2cc2e24 ("x86/boot: Call get_rsdp_addr()
after console_init()")
https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git
master
in testcase: boot
on test machine: Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz with 4G memory
The commit broke kexec boot on physical machines, We have to set "nokaslr" to
kernel cmdline to avoid the issue.
How exactly do you trigger it? Details?
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
Best Regards,
Rong Chen
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