[Bug 100247] New: [BAT][SNB] Warn on igt at gem_ctx_create@basic-files in CI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100247

            Bug ID: 100247
           Summary: [BAT][SNB] Warn on igt at gem_ctx_create@basic-files in
                    CI
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Got the following trace when running igt at gem_ctx_create@basic-files on
fi-snb-2520m with CI_DRM_2355:

[   99.153133] ------------[ cut here ]------------
[   99.153193] WARNING: CPU: 1 PID: 7165 at
drivers/gpu/drm/i915/intel_uncore.c:232 __gen6_gt_wait_for_fifo+0xae/0xc0
[i915]
[   99.153195] WARN_ON(loop < 0 && fifo <= 20)
[   99.153197] Modules linked in: x86_pkg_temp_thermal intel_powerclamp
snd_hda_codec_hdmi coretemp snd_hda_codec_generic crct10dif_pclmul
snd_hda_intel crc32_pclmul snd_hda_codec snd_hwdep snd_hda_core
ghash_clmulni_intel mei_me snd_pcm mei lpc_ich i915 sdhci_pci sdhci mmc_core
e1000e ptp pps_core prime_numbers
[   99.153238] CPU: 1 PID: 7165 Comm: gem_ctx_create Not tainted
4.11.0-rc2-CI-CI_DRM_2355+ #1
[   99.153240] Hardware name: LENOVO 42962WU/42962WU, BIOS 8DET56WW (1.26 )
12/01/2011
[   99.153242] Call Trace:
[   99.153247]  dump_stack+0x67/0x92
[   99.153252]  __warn+0xc6/0xe0
[   99.153256]  warn_slowpath_fmt+0x4a/0x50
[   99.153279]  __gen6_gt_wait_for_fifo+0xae/0xc0 [i915]
[   99.153299]  gen6_write32+0x189/0x2a0 [i915]
[   99.153319]  i9xx_submit_request+0x3e/0x50 [i915]
[   99.153339]  submit_notify+0x3f/0x5c [i915]
[   99.153355]  __i915_sw_fence_complete+0x176/0x220 [i915]
[   99.153358]  ? debug_object_activate+0xe2/0x1e0
[   99.153375]  i915_sw_fence_complete+0x25/0x40 [i915]
[   99.153391]  i915_sw_fence_commit+0x1c/0x30 [i915]
[   99.153410]  __i915_add_request+0x238/0x540 [i915]
[   99.153430]  i915_gem_do_execbuffer.isra.16+0x157e/0x1b70 [i915]
[   99.153433]  ? __lock_acquire+0x45b/0x1bb0
[   99.153437]  ? __might_fault+0x3e/0x90
[   99.153460]  i915_gem_execbuffer2+0xb5/0x220 [i915]
[   99.153465]  drm_ioctl+0x200/0x450
[   99.153469]  ? __slab_free+0x39f/0x4f0
[   99.153486]  ? i915_gem_execbuffer+0x330/0x330 [i915]
[   99.153492]  ? putname+0x4f/0x60
[   99.153496]  do_vfs_ioctl+0x90/0x6e0
[   99.153499]  ? entry_SYSCALL_64_fastpath+0x5/0xb1
[   99.153503]  ? __this_cpu_preempt_check+0x13/0x20
[   99.153506]  ? trace_hardirqs_on_caller+0xe7/0x200
[   99.153509]  SyS_ioctl+0x3c/0x70
[   99.153513]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[   99.153516] RIP: 0033:0x7f9c60d44357
[   99.153518] RSP: 002b:00007ffc39a15108 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[   99.153521] RAX: ffffffffffffffda RBX: ffffffff8147ea93 RCX:
00007f9c60d44357
[   99.153523] RDX: 00007ffc39a151e0 RSI: 0000000040406469 RDI:
0000000000000005
[   99.153525] RBP: ffffc900006dbf88 R08: 0000000000000005 R09:
0000000000000000
[   99.153526] R10: 0000000000000021 R11: 0000000000000246 R12:
0000000000000000
[   99.153528] R13: 0000000000000005 R14: 0000000040406469 R15:
000000000000023d
[   99.153532]  ? __this_cpu_preempt_check+0x13/0x20
[   99.153537] ---[ end trace f5861f5a24c919de ]---

Raw results:
https://intel-gfx-ci.01.org/CI/CI_DRM_2355/fi-snb-2520m/igt@gem_ctx_create@basic-files.html

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