[Bug 105710] [CI] igt@* - dmesg-warn - RPM wakelock ref not held during HW access - drivers/gpu/drm/i915/intel_drv.h:1926 fwtable_read32

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105710

--- Comment #7 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_14/fi-skl-guc/igt@pm_rpm@debugfs-forcewake-user.html

[  210.045071] RPM wakelock ref not held during HW access
[  210.045230] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_drv.h:1931
fwtable_read32+0x1bc/0x290 [i915]
[  210.045237] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp snd_hda_intel
coretemp snd_hda_codec snd_hwdep crct10dif_pclmul snd_hda_core crc32_pclmul
snd_pcm ghash_clmulni_intel e1000e mei_me prime_numbers mei
[  210.045331] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G     U          
4.16.0-rc7-ge023242a3eba-drmtip_14+ #1
[  210.045336] Hardware name: System manufacturer System Product Name/Z170 PRO
GAMING, BIOS 3402 04/26/2017
[  210.045579] RIP: 0010:fwtable_read32+0x1bc/0x290 [i915]
[  210.045671] RSP: 0018:ffff922bb6c03e58 EFLAGS: 00010086
[  210.045681] RAX: 0000000000000000 RBX: ffff922b9e870000 RCX:
0000000000010003
[  210.045686] RDX: 0000000080010003 RSI: ffffffffa80eac19 RDI:
00000000ffffffff
[  210.045691] RBP: 000000000000c1bc R08: 0000000000000000 R09:
0000000000000001
[  210.045696] R10: ffff922bb6c03e10 R11: ffffffffa8216500 R12:
0000000000000001
[  210.045703] R13: ffff922b9e870000 R14: 0000000000000000 R15:
ffff922b9c553da8
[  210.045713] FS:  0000000000000000(0000) GS:ffff922bb6c00000(0000)
knlGS:0000000000000000
[  210.045721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  210.045730] CR2: 00007f21ed8a52b0 CR3: 000000016a210005 CR4:
00000000003606f0
[  210.045737] Call Trace:
[  210.045751]  <IRQ>
[  210.045921]  intel_guc_to_host_event_handler_mmio+0x32/0x80 [i915]
[  210.046062]  gen8_irq_handler+0x94/0xc0 [i915]
[  210.046091]  __handle_irq_event_percpu+0x3c/0x340
[  210.046120]  handle_irq_event_percpu+0x2b/0x70
[  210.046139]  handle_irq_event+0x2f/0x50
[  210.046154]  handle_edge_irq+0xe4/0x1b0
[  210.046171]  handle_irq+0x61/0x160
[  210.046195]  do_IRQ+0x5e/0x120
[  210.046318]  common_interrupt+0xf/0xf
[  210.046329]  </IRQ>
[  210.046457] RIP: 0010:cpuidle_enter_state+0xaa/0x350
[  210.046469] RSP: 0018:ffffffffa8203e98 EFLAGS: 00000216 ORIG_RAX:
ffffffffffffffcc
[  210.046489] RAX: ffffffffa8216500 RBX: 00000000003b4bcf RCX:
0000000000000001
[  210.046497] RDX: 0000000000000000 RSI: ffffffffa80eac19 RDI:
ffffffffa8098917
[  210.046506] RBP: 0000000000000006 R08: 000000000000383a R09:
0000000000000018
[  210.046514] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000006
[  210.046527] R13: ffffcbab3fc07070 R14: 00000030e76c0969 R15:
ffffffffa8294ea0
[  210.046576]  ? cpuidle_enter_state+0xa6/0x350
[  210.046602]  do_idle+0x188/0x1d0
[  210.046627]  cpu_startup_entry+0x6a/0x70
[  210.046646]  start_secondary+0x17a/0x1c0
[  210.046666]  secondary_startup_64+0xa5/0xb0
[  210.046781] Code: df e8 b9 aa 
[  210.046923] ff ff 
[  210.047037] e9 bd fe ff ff 80 3d 96 c2 17 00 00 0f 85 84 fe ff ff 48 c7 c7
38 b8 4b c0 c6 05 82 c2 17 00 01 e8 74 45 cb e6 <0f> 0b e9 6a fe ff ff 80 3d 70
c2 17 00 00 0f 85 4f fe ff ff 48 
[  210.047602] WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_drv.h:1931
fwtable_read32+0x1bc/0x290 [i915]
[  210.047612] ---[ end trace f8f14dcec10e7be4 ]---
[  210.084101] i915 0000:00:02.0: DP-2: EDID is invalid:
[  210.084112]  [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

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