[Bug 102455] [IGT][KBL] gem_reloc_vs_gpu family takes a long time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102455

--- Comment #6 from Armando Antonio <armando.antoniox.mora.reos at intel.com> ---
Hello, The following tests are falling on KBL with latest configuration, now
with an assertion

=========================================
test list 
=========================================
igt at gem_reloc_vs_gpu@forked-hang
igt at gem_reloc_vs_gpu@forked-interruptible-thrashing-hang

(gem_reloc_vs_gpu:1442) intel-batchbuffer-CRITICAL: Test assertion failure
function intel_batchbuffer_flush_on_ring, file intel_batchbuffer.c:184:
(gem_reloc_vs_gpu:1442) intel-batchbuffer-CRITICAL: Failed assertion:
(drm_intel_gem_bo_context_exec(batch->bo, ctx, used, ring)) == 0
(gem_reloc_vs_gpu:1442) intel-batchbuffer-CRITICAL: Last errno: 5, Input/output
error
Stack trace:
(gem_reloc_vs_gpu:1446) intel-batchbuffer-CRITICAL: Failed assertion:
(drm_intel_gem_bo_context_exec(batch->bo, ctx, used, ring)) == 0
(gem_reloc_vs_gpu:1446) intel-batchbuffer-CRITICAL: Last errno: 5, Input/output
error
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #0 [__igt_fail_assert+0x101]
  #0 [__igt_fail_assert+0x101]
  #0 [__igt_fail_assert+0x101]
  #1 [intel_batchbuffer_flush_on_ring+0xc7]
  #1 [intel_batchbuffer_flush_on_ring+0xc7]
  #1 [intel_batchbuffer_flush_on_ring+0xc7]
  #1 [intel_batchbuffer_flush_on_ring+0xc7]
  #2 [do_test+0x464]
  #2 [do_test+0x464]
  #2 [do_test+0x464]
  #2 [do_test+0x464]
  #3 [__real_main296+0x4e6]
  #3 [__real_main296+0x4e6]
  #3 [__real_main296+0x4e6]
  #3 [__real_main296+0x4e6]
  #4 [main+0x33]
  #4 [main+0x33]
  #4 [main+0x33]
  #4 [main+0x33]
  #5 [__libc_start_main+0xf1]
  #5 [__libc_start_main+0xf1]
  #5 [__libc_start_main+0xf1]
  #5 [__libc_start_main+0xf1]
  #6 [_start+0x29]
  #6 [_start+0x29]
  #6 [_start+0x29]
  #6 [_start+0x29]
  #7 [<unknown>+0x29]
  #7 [<unknown>+0x29]
  #7 [<unknown>+0x29]
  #7 [<unknown>+0x29]
child 2 failed with exit status 99
Subtest forked-hang failed.
**** DEBUG ****
(gem_reloc_vs_gpu:1428) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_reloc_vs_gpu:1428) ioctl-wrappers-DEBUG: Test requirement passed:
has_ban_period || has_bannable
(gem_reloc_vs_gpu:1428) igt-gt-DEBUG: Test requirement passed:
has_gpu_reset(fd)
****  END  ****

attached new dmesg

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