[linus:master] [drm/i915] 048832a3f4: assertion_failure

[kernel test robot]

Hello,

kernel test robot noticed "assertion_failure" on:

commit: 048832a3f4003113c3a0f060b08376c103622099 ("drm/i915: Refactor shmem_pwrite() to use kiocb and write_iter")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on      linus/master 479058002c32b77acac43e883b92174e22c4be2d]
[test failed on linux-next/master b7d4e259682caccb51a25283655f2c8f02e32d23]

in testcase: igt
version: igt-x86_64-a53a2b478-1_20250803
with following parameters:

	group: group-24



config: x86_64-rhel-9.4-func
compiler: gcc-12
test machine: 20 threads 1 sockets (Commet Lake) with 16G memory

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



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/202508081029.343192ec-lkp@intel.com




user  :err   : [   80.799062] grep: warning: ? at start of expression

user  :err   : [   80.807324] grep: warning: ? at start of expression

user  :notice: [   93.658557] (gen9_exec_parse:1321) ioctl_wrappers-CRITICAL: Test assertion failure function gem_write, file ../lib/ioctl_wrappers.c:416:

user  :notice: [   93.675127] (gen9_exec_parse:1321) ioctl_wrappers-CRITICAL: Failed assertion: ret == 0 || ret == -EOPNOTSUPP

user  :notice: [   93.688924] (gen9_exec_parse:1321) ioctl_wrappers-CRITICAL: Last errno: 5, Input/output error

user  :info  : [   93.698755] [IGT] gen9_exec_parse: finished subtest bb-large, FAIL
user  :notice: [   93.700815] Subtest bb-large failed.



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250808/202508081029.343192ec-lkp@intel.com



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