Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: ee7499cf7d6b98a2caef0466f5dcbefdd25d49fe ("[RFC PATCH v1] dma-fence-array: Deal with sub-fences that are signaled late") url: https://github.com/0day-ci/linux/commits/Jordan-Crouse/dma-fence-array-Deal-... base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 7c2a69f610e64c8dec6a06a66e721f4ce1dd783a
in testcase: igt with following parameters:
group: group_08 ucode: 0x21
on test machine: 4 threads Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz with 8G memory
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 rong.a.chen@intel.com
user :info : [ 659.496362] [IGT] gem_exec_fence: starting subtest busy-hang-all user :notice: [ 659.496971] Subtest basic-wait-all: SUCCESS (0.010s)
user :notice: [ 659.497873] Starting subtest: busy-hang-all
kern :info : [ 665.922688] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:0:00000000 kern :info : [ 665.922794] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. kern :info : [ 665.922935] Please file a _new_ bug report at https://gitlab.freedesktop.org/drm/intel/issues/new. kern :info : [ 665.923079] Please see https://gitlab.freedesktop.org/drm/intel/-/wikis/How-to-file-i915-bugs for details. kern :info : [ 665.923234] drm/i915 developers can then reassign to the right component if it's not a kernel issue. kern :info : [ 665.923380] The GPU crash dump is required to analyze GPU hangs, so please always attach it. kern :info : [ 665.923517] GPU crash dump saved to /sys/class/drm/card0/error kern :info : [ 665.924218] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:0:00000000 kern :notice: [ 665.924332] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 kern :info : [ 665.924586] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:0:00000000 kern :notice: [ 665.924831] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on vcs0 user :notice: [ 665.928599] (gem_exec_fence:3060) CRITICAL: Test assertion failure function test_fence_busy_all, file ../tests/i915/gem_exec_fence.c:322:
user :info : [ 665.929208] [IGT] gem_exec_fence: starting subtest wait-hang-all user :notice: [ 665.930744] (gem_exec_fence:3060) CRITICAL: Failed assertion: !gem_bo_busy(fd, obj.handle)
user :notice: [ 665.931557] Subtest busy-hang-all failed.
user :notice: [ 665.932011] **** DEBUG ****
user :notice: [ 665.934219] (gem_exec_fence:3060) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
user :notice: [ 665.937368] (gem_exec_fence:3060) CRITICAL: Test assertion failure function test_fence_busy_all, file ../tests/i915/gem_exec_fence.c:322:
user :notice: [ 665.939399] (gem_exec_fence:3060) CRITICAL: Failed assertion: !gem_bo_busy(fd, obj.handle)
user :notice: [ 665.940675] (gem_exec_fence:3060) igt_core-INFO: Stack trace:
user :notice: [ 665.942717] (gem_exec_fence:3060) igt_core-INFO: #0 ../lib/igt_core.c:1727 __igt_fail_assert()
user :notice: [ 665.944446] (gem_exec_fence:3060) igt_core-INFO: #1 [test_fence_busy_all+0x57d]
user :notice: [ 665.946803] (gem_exec_fence:3060) igt_core-INFO: #2 ../tests/i915/gem_exec_fence.c:1614 __real_main1583()
user :notice: [ 665.948905] (gem_exec_fence:3060) igt_core-INFO: #3 ../tests/i915/gem_exec_fence.c:1583 main()
user :notice: [ 665.950565] (gem_exec_fence:3060) igt_core-INFO: #4 [__libc_start_main+0xeb]
user :notice: [ 665.951953] (gem_exec_fence:3060) igt_core-INFO: #5 [_start+0x2a]
user :notice: [ 665.952677] **** END ****
user :notice: [ 665.953117] Stack trace:
user :notice: [ 665.954297] #0 ../lib/igt_core.c:1727 __igt_fail_assert()
user :notice: [ 665.955185] #1 [test_fence_busy_all+0x57d]
user :notice: [ 665.956678] #2 ../tests/i915/gem_exec_fence.c:1614 __real_main1583()
user :notice: [ 665.957912] #3 ../tests/i915/gem_exec_fence.c:1583 main()
user :notice: [ 665.958725] #4 [__libc_start_main+0xeb]
user :notice: [ 665.959226] #5 [_start+0x2a]
user :notice: [ 665.960260] Subtest busy-hang-all: FAIL (6.433s)
To reproduce:
git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml
Thanks, Rong Chen