[Bug 107186] New: [CI][GUC] drv_selftest at live_guc RIP: 0010:destroy_doorbell

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107186

            Bug ID: 107186
           Summary: [CI][GUC] drv_selftest at live_guc RIP:
                    0010:destroy_doorbell
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tomi.p.sarvela at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Continuing with the series of "Initial findings" with Intel-GFX-CI and i915
selftests: drv_selftest at live_guc fails with GUC enabled on SKL, KBL and CFL
with RIP: 0010:destroy_doorbell. There exists patches from Michał Winiarski to
fix this issue.

(example):

[  533.683289] WARN_ON(!has_doorbell(client))
[  533.683339] WARNING: CPU: 2 PID: 9821 at
drivers/gpu/drm/i915/intel_guc_submission.c:226 create_doorbell+0x104/0x120
[i915]
[  533.683341] Modules linked in: i915(+) vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul snd_hda_codec crc32_pclmul snd_hwdep
snd_hda_core ghash_clmulni_intel snd_pcm e1000e mei_me mei prime_numbers [last
unloaded: i915]
[  533.683375] CPU: 2 PID: 9821 Comm: drv_selftest Tainted: G     U           
4.18.0-rc3-CI-CI_DRM_4455+ #1
[  533.683377] Hardware name: Micro-Star International Co., Ltd. MS-7B54/Z370M
MORTAR (MS-7B54), BIOS 1.10 12/28/2017
[  533.683414] RIP: 0010:create_doorbell+0x104/0x120 [i915]
[  533.683416] Code: 04 48 8b 74 24 10 65 48 33 34 25 28 00 00 00 75 22 48 83
c4 18 5b c3 48 c7 c6 38 02 5c a0 48 c7 c7 96 fe 59 a0 e8 cc 26 bb e0 <0f> 0b b8
ed ff ff ff eb ce e8 9e 29 bb e0 0f 1f 40 00 66 2e 0f 1f 
[  533.683539] RSP: 0018:ffffc90000457aa8 EFLAGS: 00010282
[  533.683542] RAX: 0000000000000000 RBX: ffff8801f5690000 RCX:
0000000000000001
[  533.683544] RDX: 0000000080000001 RSI: ffffffff820c643c RDI:
00000000ffffffff
[  533.683546] RBP: ffff8801f5691548 R08: 0000000008efb11c R09:
0000000000000000
[  533.683548] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8801f5691550
[  533.683550] R13: ffff8801f5691260 R14: ffff8801f5691548 R15:
ffff8801f5691550
[  533.683552] FS:  00007f729b5d5980(0000) GS:ffff880266280000(0000)
knlGS:0000000000000000
[  533.683554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  533.683556] CR2: 0000563a31e48508 CR3: 0000000260a16006 CR4:
00000000003606e0
[  533.683558] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[  533.683559] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[  533.683561] Call Trace:
[  533.683601]  guc_clients_doorbell_init.isra.14+0x12/0x50 [i915]
[  533.683639]  igt_guc_clients+0x262/0x450 [i915]
[  533.683680]  __i915_subtests+0x44/0xd0 [i915]
[  533.683720]  __run_selftests+0x10b/0x190 [i915]
[  533.683758]  i915_live_selftests+0x2c/0x60 [i915]
[  533.683789]  i915_pci_probe+0x3b/0x90 [i915]
[  533.683794]  pci_device_probe+0xa1/0x130
[  533.683799]  driver_probe_device+0x306/0x480
...

Full trace at:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4455/fi-cfl-guc/igt@drv_selftest@live_guc.html

More traces available at:
https://intel-gfx-ci.01.org/tree/drm-tip/igt@drv_selftest@live_guc.html

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