[Bug 103337] [CI] igt at drv_suspend@debugfs-reader - dmesg-warn - *ERROR* Panel is unable to calculate any CRC after 6 vblanks | Unclaimed read from register 0x130090

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103337

--- Comment #1 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3261/shard-glkb2/igt@debugfs_test@read_all_entries.html


[ 3203.809549] Unclaimed read from register 0x130090
[ 3203.809592] ------------[ cut here ]------------
[ 3203.809644] WARNING: CPU: 0 PID: 5669 at
drivers/gpu/drm/i915/intel_uncore.c:860 __unclaimed_reg_debug+0x47/0x60 [i915]
[ 3203.809647] Modules linked in: vgem snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core r8169 mii snd_pcm mei_me prime_numbers mei i2c_hid
pinctrl_geminilake pinctrl_intel
[ 3203.809696] CPU: 0 PID: 5669 Comm: debugfs_test Tainted: G     U         
4.14.0-rc5-CI-CI_DRM_3261+ #1
[ 3203.809699] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0062.B30.1708222146 08/22/2017
[ 3203.809702] task: ffff88013aab8040 task.stack: ffffc9000049c000
[ 3203.809750] RIP: 0010:__unclaimed_reg_debug+0x47/0x60 [i915]
[ 3203.809754] RSP: 0018:ffffc9000049fcf8 EFLAGS: 00010092
[ 3203.809758] RAX: 0000000000000025 RBX: 0000000000000000 RCX:
0000000000000002
[ 3203.809761] RDX: 0000000080000002 RSI: ffffffff81d1849f RDI:
00000000ffffffff
[ 3203.809764] RBP: ffffc9000049fd10 R08: 0000000000000001 R09:
0000000000000000
[ 3203.809767] R10: ffffc9000049fc88 R11: 0000000000000000 R12:
0000000000130090
[ 3203.809770] R13: 0000000000000001 R14: 0000000000000000 R15:
ffff88016e840bb0
[ 3203.809773] FS:  00007fc61d044a40(0000) GS:ffff88017fc00000(0000)
knlGS:0000000000000000
[ 3203.809778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3203.809781] CR2: 000055eb1ffe3008 CR3: 000000016cc26000 CR4:
00000000003406f0
[ 3203.809783] Call Trace:
[ 3203.809833]  fwtable_read32+0x243/0x2c0 [i915]
[ 3203.809878]  i915_drpc_info+0x27d/0x8e0 [i915]
[ 3203.809886]  seq_read+0xe1/0x3a0
[ 3203.809894]  full_proxy_read+0x54/0x80
[ 3203.809902]  __vfs_read+0x28/0x120
[ 3203.809907]  ? putname+0x54/0x60
[ 3203.809912]  ? kmem_cache_free+0x290/0x330
[ 3203.809915]  ? kmem_cache_free+0x12c/0x330
[ 3203.809920]  vfs_read+0xa8/0x150
[ 3203.809924]  SyS_read+0x49/0xb0
[ 3203.809932]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[ 3203.809935] RIP: 0033:0x7fc61b51e6d0
[ 3203.809938] RSP: 002b:00007fff501a7a18 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[ 3203.809943] RAX: ffffffffffffffda RBX: 000055eb1ffc7f6b RCX:
00007fc61b51e6d0
[ 3203.809946] RDX: 0000000000000200 RSI: 00007fff501a7a30 RDI:
0000000000000006
[ 3203.809948] RBP: 00007fff501a7a30 R08: 000055eb1ff6f300 R09:
0000000000000000
[ 3203.809951] R10: 0000000000000000 R11: 0000000000000246 R12:
000055eb1ffc7a00
[ 3203.809954] R13: 0000000000000005 R14: 0000000000000006 R15:
0000000000000003
[ 3203.809960] Code: 01 75 31 84 db 75 2d 45 84 ed 48 c7 c0 fc 7c 24 a0 48 c7
c6 f2 7c 24 a0 48 0f 44 f0 44 89 e2 48 c7 c7 05 7d 24 a0 e8 4a 40 f6 e0 <0f> ff
83 2d 30 07 10 00 01 5b 41 5c 41 5d 5d c3 66 0f 1f 84 00 
[ 3203.810058] ---[ end trace e04068ecac830ca6 ]---

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