[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 #2 from Marta Löfstedt <marta.lofstedt at intel.com> ---


[ 2150.111884] Unclaimed read from register 0x130090
[ 2150.111939] ------------[ cut here ]------------
[ 2150.112008] WARNING: CPU: 3 PID: 8268 at
drivers/gpu/drm/i915/intel_uncore.c:860 __unclaimed_reg_debug+0x47/0x60 [i915]
[ 2150.112012] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp i915 coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm mei_me prime_numbers r8169 mei mii i2c_hid
pinctrl_geminilake pinctrl_intel [last unloaded: vgem]
[ 2150.112081] CPU: 3 PID: 8268 Comm: debugfs_test Tainted: G     U         
4.14.0-rc5-CI-CI_DRM_3272+ #1
[ 2150.112086] Hardware name: Intel Corp. Geminilake/GLK RVP1 DDR4 (05), BIOS
GELKRVPA.X64.0062.B30.1708222146 08/22/2017
[ 2150.112091] task: ffff8801781a8040 task.stack: ffffc90000e2c000
[ 2150.112159] RIP: 0010:__unclaimed_reg_debug+0x47/0x60 [i915]
[ 2150.112164] RSP: 0018:ffffc90000e2fcf8 EFLAGS: 00010092
[ 2150.112170] RAX: 0000000000000025 RBX: 0000000000000000 RCX:
0000000000000002
[ 2150.112174] RDX: 0000000080000002 RSI: ffffffff81cb3f8b RDI:
00000000ffffffff
[ 2150.112178] RBP: ffffc90000e2fd10 R08: 0000000000000001 R09:
0000000000000000
[ 2150.112182] R10: ffffc90000e2fc88 R11: 0000000000000000 R12:
0000000000130090
[ 2150.112186] R13: 0000000000000001 R14: 0000000000000000 R15:
ffff8801683c0bb0
[ 2150.112191] FS:  00007fb13630aa40(0000) GS:ffff88017fd80000(0000)
knlGS:0000000000000000
[ 2150.112195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2150.112199] CR2: 00007fdcbdb2c020 CR3: 0000000113915000 CR4:
00000000003406e0
[ 2150.112203] Call Trace:
[ 2150.112271]  fwtable_read32+0x243/0x2c0 [i915]
[ 2150.112333]  i915_drpc_info+0x27d/0x8e0 [i915]
[ 2150.112343]  seq_read+0xe1/0x3a0
[ 2150.112356]  full_proxy_read+0x54/0x80
[ 2150.112364]  __vfs_read+0x28/0x120
[ 2150.112371]  ? putname+0x54/0x60
[ 2150.112377]  ? kmem_cache_free+0x290/0x330
[ 2150.112382]  ? kmem_cache_free+0x12c/0x330
[ 2150.112388]  vfs_read+0xa8/0x150
[ 2150.112395]  SyS_read+0x49/0xb0
[ 2150.112404]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[ 2150.112409] RIP: 0033:0x7fb1347e46d0
[ 2150.112413] RSP: 002b:00007fff5e7af988 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[ 2150.112419] RAX: ffffffffffffffda RBX: 0000561424a4caeb RCX:
00007fb1347e46d0
[ 2150.112423] RDX: 0000000000000200 RSI: 00007fff5e7af9a0 RDI:
0000000000000006
[ 2150.112427] RBP: 00007fff5e7af9a0 R08: 0000561424a47b40 R09:
0000000000000000
[ 2150.112431] R10: 0000000000000000 R11: 0000000000000246 R12:
0000561424a4c580
[ 2150.112435] R13: 0000000000000005 R14: 0000000000000006 R15:
0000000000000000
[ 2150.112444] Code: 01 75 31 84 db 75 2d 45 84 ed 48 c7 c0 c9 6c 22 a0 48 c7
c6 bf 6c 22 a0 48 0f 44 f0 44 89 e2 48 c7 c7 d2 6c 22 a0 e8 2a 50 f8 e0 <0f> ff
83 2d 30 07 10 00 01 5b 41 5c 41 5d 5d c3 66 0f 1f 84 00 
[ 2150.112578] ---[ end trace bd08d0d997cb72dd ]---

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3272/shard-glkb5/igt@debugfs_test@read_all_entries_display_off.html

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