[Bug 110771] New: [CI][DRMTIP] igt at gem_partial_pwrite_pread@reads-snoop - dmesg-warn - RPM wakelock ref not held during HW access

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110771

            Bug ID: 110771
           Summary: [CI][DRMTIP] igt at gem_partial_pwrite_pread@reads-snoop
                    - dmesg-warn - RPM wakelock ref not held during HW
                    access
           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: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_292/fi-kbl-7567u/igt@gem_partial_pwrite_pread@reads-snoop.html

------------[ cut here ]------------
RPM wakelock ref not held during HW access
<4> [91.894789] WARNING: CPU: 3 PID: 235 at
drivers/gpu/drm/i915/intel_drv.h:1662 fwtable_write32+0x290/0x2f0 [i915]
<4> [91.894791] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp i915 x86_pkg_temp_thermal
coretemp crct10dif_pclmul btusb btrtl btbcm btintel crc32_pclmul e1000e
ghash_clmulni_intel snd_hda_intel bluetooth snd_hda_codec ptp pps_core
snd_hwdep snd_hda_core snd_pcm mei_me ecdh_generic ecc mei prime_numbers
<4> [91.894807] CPU: 3 PID: 235 Comm: kworker/3:2 Tainted: G     U           
5.2.0-rc1-g8691fe536e41-drmtip_292+ #1
<4> [91.894808] Hardware name:  /NUC7i7BNB, BIOS
BNKBL357.86A.0054.2017.1025.1822 10/25/2017
<4> [91.894840] Workqueue: events i915_hotplug_work_func [i915]
<4> [91.894863] RIP: 0010:fwtable_write32+0x290/0x2f0 [i915]
<4> [91.894866] Code: 69 b4 d4 0f 0b e9 e2 fd ff ff 80 3d c6 95 23 00 00 0f 85
e0 fd ff ff 48 c7 c7 10 eb 6d c0 c6 05 b2 95 23 00 01 e8 f0 68 b4 d4 <0f> 0b e9
c6 fd ff ff b9 01 00 00 00 31 d2 44 89 e6 4c 89 ef e8 57
<4> [91.894868] RSP: 0018:ffffb3b04021fb90 EFLAGS: 00010282
<4> [91.894870] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000000
<4> [91.894872] RDX: 0000000000000007 RSI: ffffa16072248980 RDI:
00000000ffffffff
<4> [91.894873] RBP: 00000000000018e7 R08: 00000000f5d611cb R09:
0000000000000000
<4> [91.894875] R10: 0000000000002710 R11: 0000000000000000 R12:
000000000000a02c
<4> [91.894876] R13: ffffa1605ac80d30 R14: ffffa1605ac80000 R15:
0000000000000055
<4> [91.894878] FS:  0000000000000000(0000) GS:ffffa16076b80000(0000)
knlGS:0000000000000000
<4> [91.894880] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [91.894881] CR2: 00007fb4f9069000 CR3: 0000000254876006 CR4:
00000000003606e0
<4> [91.894883] Call Trace:
<4> [91.894910]  rps_set_power+0x117/0x330 [i915]
<4> [91.894941]  intel_rps_mark_interactive+0x6d/0xc0 [i915]
<4> [91.894977]  intel_prepare_plane_fb+0x272/0x5e0 [i915]
<4> [91.894983]  drm_atomic_helper_prepare_planes+0x82/0x100
<4> [91.895011]  intel_atomic_commit+0xad/0x2e0 [i915]
<4> [91.895015]  restore_fbdev_mode_atomic+0x1ed/0x200
<4> [91.895025]  drm_fb_helper_restore_fbdev_mode_unlocked+0x42/0x90
<4> [91.895027]  drm_fb_helper_set_par+0x24/0x50
<4> [91.895029]  drm_fb_helper_hotplug_event.part.24+0xa2/0xb0
<4> [91.895032]  drm_kms_helper_hotplug_event+0x21/0x30
<4> [91.895058]  i915_hotplug_work_func+0x1da/0x240 [i915]
<4> [91.895064]  process_one_work+0x245/0x610
<4> [91.895070]  worker_thread+0x37/0x380
<4> [91.895074]  ? process_one_work+0x610/0x610
<4> [91.895076]  kthread+0x119/0x130
<4> [91.895079]  ? kthread_park+0x80/0x80
<4> [91.895083]  ret_from_fork+0x3a/0x50
<4> [91.895091] irq event stamp: 622232
<4> [91.895094] hardirqs last  enabled at (622231): [<ffffffff9512a7e7>]
console_unlock+0x3f7/0x5a0
<4> [91.895096] hardirqs last disabled at (622232): [<ffffffff950019e0>]
trace_hardirqs_off_thunk+0x1a/0x1c
<4> [91.895098] softirqs last  enabled at (622222): [<ffffffff95c0033a>]
__do_softirq+0x33a/0x4b9
<4> [91.895100] softirqs last disabled at (622211): [<ffffffff950ba1c9>]
irq_exit+0xa9/0xc0
<4> [91.895118] WARNING: CPU: 3 PID: 235 at
drivers/gpu/drm/i915/intel_drv.h:1662 fwtable_write32+0x290/0x2f0 [i915]
<4> [91.895120] ---[ end trace ce007c0c865e3f59 ]---

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