Bug 109166 - [CI][BAT] igt@i915_selftest@live_contexts - dmesg-warn - Unclaimed write to register 0x44024
Summary: [CI][BAT] igt@i915_selftest@live_contexts - dmesg-warn - Unclaimed write to r...
Status: CLOSED DUPLICATE of bug 108528
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: highest normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard: ReadyForDev
Keywords:
Depends on:
Blocks:
 
Reported: 2018-12-28 14:25 UTC by Martin Peres
Modified: 2019-01-08 09:12 UTC (History)
1 user (show)

See Also:
i915 platform: BYT
i915 features: GEM/execlists


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Description Martin Peres 2018-12-28 14:25:05 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5343/fi-byt-j1900/igt@i915_selftest@live_contexts.html

<4> [401.896167] ------------[ cut here ]------------
<4> [401.896293] Unclaimed write to register 0x44024
<4> [401.896438] WARNING: CPU: 1 PID: 979 at drivers/gpu/drm/i915/intel_uncore.c:1093 __unclaimed_reg_debug+0x40/0x50 [i915]
<4> [401.896444] Modules linked in: i915(+) amdgpu chash gpu_sched ttm vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl btbcm btintel coretemp crct10dif_pclmul crc32_pclmul bluetooth ghash_clmulni_intel ecdh_generic r8169 snd_hda_codec snd_hwdep snd_hda_core i2c_hid snd_pcm i2c_i801 lpc_ich prime_numbers [last unloaded: i915]
<4> [401.896490] CPU: 1 PID: 979 Comm: dmesg Tainted: G     U            4.20.0-rc7-CI-CI_DRM_5343+ #1
<4> [401.896495] Hardware name: GIGABYTE GB-BXBT-1900/MZBAYAB-00, BIOS F6 02/17/2015
<4> [401.896586] RIP: 0010:__unclaimed_reg_debug+0x40/0x50 [i915]
<4> [401.896593] Code: 74 05 5b 5d 41 5c c3 45 84 e4 48 c7 c0 2b 48 de a0 48 c7 c6 21 48 de a0 48 0f 44 f0 89 ea 48 c7 c7 34 48 de a0 e8 60 91 38 e0 <0f> 0b 83 2d 87 2e 1a 00 01 5b 5d 41 5c c3 66 90 41 56 41 55 41 89
<4> [401.896599] RSP: 0018:ffff88813ba83e00 EFLAGS: 00010086
<4> [401.896606] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
<4> [401.896611] RDX: 0000000000000007 RSI: ffffffff820c74b8 RDI: 00000000ffffffff
<4> [401.896616] RBP: 0000000000044024 R08: 0000000000000000 R09: 0000000000000001
<4> [401.896622] R10: ffff88813ba83d98 R11: 0000000000000000 R12: 0000000000000000
<4> [401.896627] R13: 00000000ffffffff R14: 0000000000000006 R15: 0000000000320050
<4> [401.896633] FS:  00007f8836839240(0000) GS:ffff88813ba80000(0000) knlGS:0000000000000000
<4> [401.896639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [401.896644] CR2: 000055c9dc8b51a8 CR3: 000000013832e000 CR4: 00000000001006e0
<4> [401.896649] Call Trace:
<4> [401.896656]  <IRQ>
<4> [401.896751]  gen6_write32+0x1ea/0x220 [i915]
<4> [401.896840]  snb_update_pm_irq+0x65/0x120 [i915]
<4> [401.896924]  gen6_rps_irq_handler+0x57/0xc0 [i915]
<4> [401.897009]  valleyview_irq_handler+0x22e/0x260 [i915]
<4> [401.897029]  __handle_irq_event_percpu+0x41/0x2d0
<4> [401.897037]  ? handle_irq_event+0x27/0x50
<4> [401.897051]  handle_irq_event_percpu+0x2b/0x70
<4> [401.897062]  handle_irq_event+0x2f/0x50
<4> [401.897072]  handle_edge_irq+0xe7/0x190
<4> [401.897082]  handle_irq+0x67/0x160
<4> [401.897096]  do_IRQ+0x5e/0x130
<4> [401.897108]  common_interrupt+0xf/0xf
<4> [401.897115]  </IRQ>
<4> [401.897123] RIP: 0010:preempt_count_add+0x4d/0xa0
<4> [401.897129] Code: 75 11 65 8b 05 24 00 f6 7e 0f b6 c0 3d f4 00 00 00 7f 40 65 8b 05 13 00 f6 7e 25 ff ff ff 7f 39 c3 74 02 5b c3 48 8b 5c 24 08 <48> 89 df e8 db 72 03 00 85 c0 75 12 65 48 8b 04 25 00 4f 01 00 48
<4> [401.897134] RSP: 0018:ffffc90000c27cc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffde
<4> [401.897141] RAX: 0000000000000001 RBX: ffffffff81492604 RCX: 0000000000000000
<4> [401.897147] RDX: 0000000000000000 RSI: ffffc90000c27e88 RDI: 0000000000000001
<4> [401.897152] RBP: 0000000000000ae6 R08: 0000000000000000 R09: 0000000000000001
<4> [401.897157] R10: ffffc90000c27b80 R11: 0000000000000001 R12: 0000000000000001
<4> [401.897163] R13: 0000000000000ae6 R14: ffffc90000c27e88 R15: ffffffff81e261a0
<4> [401.897176]  ? iov_iter_copy_from_user_atomic+0x24/0x3a0
<4> [401.897200]  iov_iter_copy_from_user_atomic+0x24/0x3a0
<4> [401.897217]  generic_perform_write+0xdc/0x1c0
<4> [401.897238]  __generic_file_write_iter+0xfd/0x190
<4> [401.897254]  ext4_file_write_iter+0x12f/0x3d0
<4> [401.897277]  __vfs_write+0x10b/0x180
<4> [401.897300]  vfs_write+0xbd/0x1b0
<4> [401.897312]  ksys_write+0x50/0xc0
<4> [401.897326]  do_syscall_64+0x55/0x190
<4> [401.897336]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [401.897342] RIP: 0033:0x7f8835d18154
<4> [401.897349] Code: 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8d 05 b1 07 2e 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 f3 c3 66 90 41 54 55 49 89 d4 53 48 89 f5
<4> [401.897354] RSP: 002b:00007fffeba1cc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4> [401.897361] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8835d18154
<4> [401.897366] RDX: 0000000000000001 RSI: 00007f8835ff47e3 RDI: 0000000000000001
<4> [401.897371] RBP: 00007f8835ff47e3 R08: 00007f8835ff4760 R09: 0000000000000000
<4> [401.897377] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f8835ff4760
<4> [401.897382] R13: 0000000000000001 R14: 00007f8835ff02a0 R15: 00007f8835fef760
<4> [401.897410] irq event stamp: 85012360
<4> [401.897418] hardirqs last  enabled at (85012359): [<ffffffff811fee7d>] __slab_alloc.isra.27.constprop.33+0x4d/0x70
<4> [401.897425] hardirqs last disabled at (85012360): [<ffffffff810019b0>] trace_hardirqs_off_thunk+0x1a/0x1c
<4> [401.897431] softirqs last  enabled at (85011826): [<ffffffff81c0033a>] __do_softirq+0x33a/0x4b9
<4> [401.897439] softirqs last disabled at (85011819): [<ffffffff8108e6a9>] irq_exit+0xa9/0xc0
<4> [401.897529] WARNING: CPU: 1 PID: 979 at drivers/gpu/drm/i915/intel_uncore.c:1093 __unclaimed_reg_debug+0x40/0x50 [i915]
<4> [401.897535] ---[ end trace 08ac52f4ef2bbe57 ]---
Comment 1 Chris Wilson 2018-12-29 13:30:34 UTC
I think this is the same rps bug as we've hit for byt. If someone can remember the link..
Comment 2 Francesco Balestrieri 2019-01-05 07:38:44 UTC
Searching for rps and BYT I found this, is it the one?

https://bugs.freedesktop.org/show_bug.cgi?id=108528
Comment 3 Francesco Balestrieri 2019-01-07 09:52:06 UTC

*** This bug has been marked as a duplicate of bug 108528 ***


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