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SubjectRe: [lkp-robot] [x86/entry/64/compat] 8bb2610bc4: kernel_selftests.x86.test_syscall_vdso_32.fail
On 07/04, Linus Torvalds wrote:
>On Tue, Jul 3, 2018 at 11:58 PM kernel test robot <xiaolong.ye@intel.com> wrote:
>>
>> FYI, we noticed the following commit (built with gcc-7):
>>
>> commit: 8bb2610bc4967f19672444a7b0407367f1540028 ("x86/entry/64/compat: Preserve r8-r11 in int $0x80")
>> [...]
>> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>So that commit is expected to fix things, but it also *enabled* the
>selftests to warn about the change.
>
>Did you run the new selftest on an old kernel?
>
>It looks that way, because you talk about running the selftests for
>commit 8bb2610bc496 (which is 4.17-rc2+), but the dmesg you include is
>some ancient version"
>
> Linux version 4.12.0-10998-g6974f0c

Just double checked the attached dmesg, the version seems correct, did you
check the right one?

[ 0.000000] Linux version 4.17.0-rc2-00006-g8bb2610 (kbuild@cairo) (gcc version 7.3.0 (Debian 7.3.0-16)) #1 SMP Thu Jun 7 15:10:14 CST 2018


Thanks,
Xiaolong
>
>Hmm. Some of those self-tests are very much expected to break on old kernels.
>
> Linus

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