FYI, we noticed the following commit (built with gcc-7):
commit: 509e56b37cc32c9b5fc2be585c25d1e60d6a1d73 ("blackhole_dev: add a selftest")
https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git master
in testcase: kernel_selftests
with following parameters:
group: kselftests-02
test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <[email protected]>
# selftests: net: test_blackhole_dev.sh
# test_blackhole_dev: [FAIL]
not ok 13 selftests: net: test_blackhole_dev.sh
To reproduce:
# build kernel
cd linux
cp config-5.2.0-rc6-01701-g509e56b37cc32c .config
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
Thanks,
Rong Chen
On Thu, Jul 11, 2019 at 11:48 PM kernel test robot
<[email protected]> wrote:
>
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: 509e56b37cc32c9b5fc2be585c25d1e60d6a1d73 ("blackhole_dev: add a selftest")
> https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git master
>
> in testcase: kernel_selftests
> with following parameters:
>
> group: kselftests-02
>
> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <[email protected]>
>
>
> # selftests: net: test_blackhole_dev.sh
> # test_blackhole_dev: [FAIL]
> not ok 13 selftests: net: test_blackhole_dev.sh
>
> To reproduce:
>
> # build kernel
> cd linux
> cp config-5.2.0-rc6-01701-g509e56b37cc32c .config
> make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
>
unfortunately, I could not get this to work as my qemu instance just
hangs. Will spend some more time on this later.
However, If you have identified config related issue, please state
that so that it would be helpful to fix it faster.
thanks,
--mahesh..
>
>
> Thanks,
> Rong Chen
>