On 03/17, Thomas Garnier wrote:
>I tried multiple things to repro this crash without success:
> - Used the config on my existing qemu setup (boot fine)
> - Add most of the command-line (boot fine)
> - Try to run the script on a dedicated machine and it seems it is
>really tailored for your setup. I had errors with usernames and cpio
>crashing.
Could you paste the error log?
I suspect it was caused by job-script saved as dos format, you may try
`dos2unix job-script` before "lkp qemu" to see whether it works.
Thanks,
Xiaolong
>
>Any additional information you could share? (RIP -> function name,
>callstack etc..?)
>
>Thanks,
>
>On Fri, Mar 17, 2017 at 4:59 AM, kernel test robot
><xiaolong...@intel.com> wrote:
>>
>> FYI, we noticed the following commit:
>>
>> commit: 45fc8757d1d2128e342b4e7ef39adedf7752faac ("x86: Make the GDT
>> remapping read-only on 64-bit")
>> https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git x86/mm
>>
>> in testcase: boot
>>
>> on test machine: qemu-system-x86_64 -enable-kvm -m 420M
>>
>> caused below changes (please refer to attached dmesg/kmsg for entire
>> log/backtrace):
>>
>>
>> +------------------------------------------+------------+------------+
>> | | 69218e4799 | 45fc8757d1 |
>> +------------------------------------------+------------+------------+
>> | boot_successes | 8 | 2 |
>> | boot_failures | 0 | 11 |
>> | BUG:unable_to_handle_kernel | 0 | 11 |
>> | Oops:#[##] | 0 | 11 |
>> | Kernel_panic-not_syncing:Fatal_exception | 0 | 11 |
>> +------------------------------------------+------------+------------+
>>
>>
>>
>> [ 4.347219] BUG: unable to handle kernel paging request at
>> ffffffffff577060
>> [ 4.349770] IP: 0xf77e91ed
>> [ 4.351365] PGD 1e0c067
>> [ 4.351366] P4D 1e0c067
>> [ 4.352885] PUD 1e0e067
>> [ 4.354421] PMD 1e0f067
>> [ 4.355947] PTE 800000000be09161
>> [ 4.357457]
>> [ 4.360480] Oops: 0003 [#1] SMP
>> [ 4.362150] Modules linked in:
>> [ 4.363816] CPU: 0 PID: 1 Comm: init Not tainted
>> 4.11.0-rc2-00014-g45fc875 #15
>> [ 4.367207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
>> 1.9.3-20161025_171302-gandalf 04/01/2014
>> [ 4.371277] task: ffff88000b9a8000 task.stack: ffffc900000d0000
>> [ 4.373550] RIP: 0023:0xf77e91ed
>> [ 4.375284] RSP: 002b:00000000ffed034c EFLAGS: 00010246
>> [ 4.377409] RAX: 0000000000000063 RBX: 00000000f77edff0 RCX:
>> 00000000ffed034c
>> [ 4.379996] RDX: 00000000f77e1690 RSI: 00000000f77ee094 RDI:
>> 000000000000000c
>> [ 4.382588] RBP: 00000000ffed0368 R08: 0000000000000000 R09:
>> 0000000000000000
>> [ 4.385136] R10: 0000000000000000 R11: 0000000000000000 R12:
>> 0000000000000000
>> [ 4.387709] R13: 0000000000000000 R14: 0000000000000000 R15:
>> 0000000000000000
>> [ 4.390289] FS: 0000000000000000(0000) GS:ffff88000be00000(0000)
>> knlGS:0000000000000000
>> [ 4.393870] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
>> [ 4.396131] CR2: ffffffffff577060 CR3: 0000000019d08000 CR4:
>> 00000000000006f0
>> [ 4.398696] RIP: 0xf77e91ed RSP: 00000000ffed034c
>> [ 4.400716] CR2: ffffffffff577060
>> [ 4.402425] ---[ end trace 35060e6ad8052d5b ]---
>>
>>
>> To reproduce:
>>
>> git clone https://github.com/01org/lkp-tests.git
>> cd lkp-tests
>> bin/lkp qemu -k <bzImage> job-script # job-script is attached in
>> this email
>>
>>
>>
>> Thanks,
>> Kernel Test Robot
>
>
>
>--
>Thomas
