[drm-intel:drm-intel-gt-next] [drm/i915] [confidence: ] 9bb66c179f: assertion_failure

[kernel test robot]

Hello,

kernel test robot noticed "assertion_failure" on:

commit: 9bb66c179f50e61df20ba13c9b34ca17d00b05fb ("drm/i915: Reserve some kernel space per vm")
git://anongit.freedesktop.org/drm-intel drm-intel-gt-next

in testcase: igt
version: igt-x86_64-0f075441-1_20230520
with following parameters:

	group: group-04



compiler: gcc-12
test machine: 20 threads 1 sockets (Commet Lake) with 16G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)


we also observed below tests failed upon this commit while pass on parent.

8aa519f17512da50 9bb66c179f50e61df20ba13c9b3
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :6          100%           6:6     igt.api_intel_bb.bb-with-allocator.fail
           :6          100%           6:6     igt.api_intel_bb.blit-noreloc-keep-cache.fail
           :6          100%           6:6     igt.api_intel_bb.blit-noreloc-purge-cache.fail
           :6          100%           6:6     igt.api_intel_bb.blit-reloc-purge-cache.fail
           :6          100%           6:6     igt.api_intel_bb.delta-check.fail
           :6          100%           6:6     igt.api_intel_bb.object-noreloc-keep-cache-simple.fail
           :6          100%           6:6     igt.api_intel_bb.object-noreloc-purge-cache-simple.fail
           :6           83%           5:6     igt.api_intel_bb.object-reloc-purge-cache.fail
           :6          100%           6:6     igt.api_intel_bb.simple-bb-ctx.fail
           :6          100%           6:6     igt.api_intel_bb.simple-bb.fail



If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang at intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202312071643.321205c6-oliver.sang@intel.com


[   43.922756][  T447]
[   43.935008][  T447] IGT-Version: 1.27.1-g0f075441 (x86_64) (Linux: 6.6.0-rc7-01579-g9bb66c179f50 x86_64)
[   43.935018][  T447]
[   43.947248][  T447] Starting subtest: bb-with-allocator
[   43.947258][  T447]
[   43.956752][  T447] (api_intel_bb:857) intel_batchbuffer-CRITICAL: Test assertion failure function __intel_bb_add_object, file ../lib/intel_batchbuffer.c:1673:
[   43.956762][  T447]
[   43.974467][  T447] (api_intel_bb:857) intel_batchbuffer-CRITICAL: Failed assertion: allocated || reserved
[   43.974477][  T447]
[   43.987691][  T447] (api_intel_bb:857) intel_batchbuffer-CRITICAL: Can't get offset, allocated: 0, reserved: 0
[   43.987706][  T447]


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231207/202312071643.321205c6-oliver.sang@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki