[Bug 103337] [CI] igt@* - dmesg-warn - *ERROR* Panel is unable to calculate any CRC after 6 vblanks | Unclaimed read from register 0x130090
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Feb 8 06:43:38 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=103337
--- Comment #16 from Marta Löfstedt <marta.lofstedt at intel.com> ---
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4229/shard-glkb1/igt@gem_ctx_create@basic.html
<7>[ 234.234820] [IGT] gem_ctx_create: executing
<7>[ 234.234890] [drm:intel_power_well_enable [i915]] enabling dpio-common-c
<7>[ 234.236312] [drm:intel_power_well_enable [i915]] enabling AUX B
<7>[ 234.236349] [drm:intel_power_well_enable [i915]] enabling AUX C
<7>[ 234.236387] [drm:intel_power_well_disable [i915]] disabling AUX C
<7>[ 234.236423] [drm:intel_power_well_disable [i915]] disabling AUX B
<7>[ 234.236459] [drm:intel_power_well_disable [i915]] disabling dpio-common-c
<7>[ 234.236496] [drm:intel_power_well_disable [i915]] disabling dpio-common-b
<7>[ 234.236532] [drm:intel_power_well_disable [i915]] disabling power well 2
<4>[ 234.237101] ------------[ cut here ]------------
<4>[ 234.237138] Unclaimed read from register 0x130090
<4>[ 234.237206] WARNING: CPU: 2 PID: 1936 at
drivers/gpu/drm/i915/intel_uncore.c:986 __unclaimed_reg_debug+0x3b/0x50 [i915]
<4>[ 234.237208] Modules linked in: vgem snd_hda_codec_hdmi
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 snd_pcm r8169 mii
prime_numbers mei_me mei i2c_hid pinctrl_geminilake pinctrl_intel
<4>[ 234.237276] CPU: 2 PID: 1936 Comm: cat Tainted: G U
4.15.0-CI-CI_DRM_3736+ #1
<4>[ 234.237279] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07),
BIOS GELKRVPA.X64.0062.B30.1708222146 08/22/2017
<4>[ 234.237315] RIP: 0010:__unclaimed_reg_debug+0x3b/0x50 [i915]
<4>[ 234.237320] RSP: 0018:ffffc90000ba3d38 EFLAGS: 00010092
<4>[ 234.237327] RAX: 0000000000000025 RBX: 0000000000000000 RCX:
0000000000000002
<4>[ 234.237330] RDX: 0000000080000002 RSI: ffffffff820abf17 RDI:
00000000ffffffff
<4>[ 234.237332] RBP: 0000000000130090 R08: 0000000000000000 R09:
0000000000000001
<4>[ 234.237334] R10: ffffc90000ba3cd0 R11: 0000000000000002 R12:
0000000000000001
<4>[ 234.237336] R13: ffff880167780ca0 R14: 0000000000000000 R15:
0000000000000202
<4>[ 234.237339] FS: 00007fb4568b5700(0000) GS:ffff88017fd00000(0000)
knlGS:0000000000000000
<4>[ 234.237341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 234.237344] CR2: 000055b3f5415100 CR3: 0000000172902000 CR4:
0000000000340ee0
<4>[ 234.237348] Call Trace:
<4>[ 234.237391] fwtable_read32+0x214/0x290 [i915]
<4>[ 234.237429] i915_drpc_info+0x267/0x8c0 [i915]
<4>[ 234.237436] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 234.237444] seq_read+0xd8/0x3a0
<4>[ 234.237452] full_proxy_read+0x4b/0x70
<4>[ 234.237459] __vfs_read+0x1e/0x120
<4>[ 234.237468] ? entry_SYSCALL_64_fastpath+0x5/0x8f
<4>[ 234.237472] vfs_read+0x9e/0x150
<4>[ 234.237477] SyS_read+0x40/0xa0
<4>[ 234.237483] entry_SYSCALL_64_fastpath+0x22/0x8f
<4>[ 234.237486] RIP: 0033:0x7fb4563e1890
<4>[ 234.237488] RSP: 002b:00007fffec12b328 EFLAGS: 00000246
<4>[ 234.237501] Code: 3c 01 75 30 84 db 75 2c 45 84 e4 48 c7 c0 aa 46 26 a0
48 c7 c6 a0 46 26 a0 48 0f 44 f0 89 ea 48 c7 c7 b3 46 26 a0 e8 15 b6 ed e0 <0f>
ff 83 2d 1c 0c 17 00 01 5b 5d 41 5c c3 0f 1f 80 00 00 00 00
<4>[ 234.237631] ---[ end trace 7b6e6c28539f6d16 ]---
<7>[ 234.237803] [drm:sandybridge_pcode_read [i915]] warning: pcode (read from
mbox 5) mailbox access failed for i915_drpc_info [i915]: -6
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