Bug 112110 - [CI][DRMTIP]igt@kms_plane_scaling@pipe-b-scaler-with-rotation - dmesg-warn - rcu: INFO: rcu_preempt self-detected stall on CPU
Summary: [CI][DRMTIP]igt@kms_plane_scaling@pipe-b-scaler-with-rotation - dmesg-warn - ...
Status: RESOLVED MOVED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: not set not set
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-10-23 07:22 UTC by Lakshmi
Modified: 2019-11-29 19:43 UTC (History)
1 user (show)

See Also:
i915 platform: ICL
i915 features: display/Other


Attachments

Description Lakshmi 2019-10-23 07:22:43 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_388/fi-icl-u3/igt@kms_plane_scaling@pipe-b-scaler-with-rotation.html

<3> [423.630932] rcu: INFO: rcu_preempt self-detected stall on CPU
<3> [423.631125] rcu: 	1-...!: (1 ticks this GP) idle=686/0/0x1 softirq=193155/193155 fqs=0 
<4> [423.631521] 	(t=111849 jiffies g=100909 q=22)
<3> [423.631525] rcu: rcu_preempt kthread starved for 111849 jiffies! g100909 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
<3> [423.631556] rcu: RCU grace-period kthread stack dump:
<6> [423.631572] rcu_preempt     R  running task    14368    10      2 0x80004000
<4> [423.631578] Call Trace:
<4> [423.631585]  ? __schedule+0x2ef/0x7f0
<4> [423.631591]  schedule+0x34/0xc0
<4> [423.631594]  schedule_timeout+0x1cc/0x3f0
<4> [423.631600]  ? __next_timer_interrupt+0xc0/0xc0
<4> [423.631607]  rcu_gp_kthread+0x604/0xb70
<4> [423.631636]  ? rcu_barrier_func+0xa0/0xa0
<4> [423.631639]  kthread+0x119/0x130
<4> [423.631642]  ? kthread_park+0x80/0x80
<4> [423.631646]  ret_from_fork+0x24/0x50
<6> [423.631656] Sending NMI from CPU 1 to CPUs 0:
<4> [423.631785] NMI backtrace for cpu 0 skipped: idling at acpi_processor_ffh_cstate_enter+0x70/0xc0
<4> [423.632706] NMI backtrace for cpu 1
<4> [423.632709] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G     U            5.4.0-rc2-g38af7ec455b5-drmtip_388+ #1
<4> [423.632710] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3183.A00.1905020411 05/02/2019
<4> [423.632711] Call Trace:
<4> [423.632713]  <IRQ>
<4> [423.632717]  dump_stack+0x67/0x9b
<4> [423.632719]  nmi_cpu_backtrace+0x8a/0x90
<4> [423.632723]  ? lapic_can_unplug_cpu+0x90/0x90
<4> [423.632724]  nmi_trigger_cpumask_backtrace+0xba/0x100
<4> [423.632728]  rcu_dump_cpu_stacks+0x9b/0xc9
<4> [423.632731]  rcu_sched_clock_irq+0x7a2/0xb80
<4> [423.632733]  ? tick_sched_do_timer+0x50/0x50
<4> [423.632735]  ? rcu_read_lock_sched_held+0x4d/0x80
<4> [423.632738]  ? tick_sched_do_timer+0x50/0x50
<4> [423.632739]  update_process_times+0x1f/0x40
<4> [423.632741]  tick_sched_timer+0x3e/0x80
<4> [423.632743]  __hrtimer_run_queues+0x121/0x4a0
<4> [423.632748]  hrtimer_interrupt+0xea/0x250
<4> [423.632752]  smp_apic_timer_interrupt+0x96/0x280
<4> [423.632754]  apic_timer_interrupt+0xf/0x20
<4> [423.632756]  </IRQ>
<4> [423.632758] RIP: 0010:cpuidle_enter_state+0xb2/0x450
<4> [423.632760] Code: 00 31 ff e8 20 11 8f ff 80 7c 24 0b 00 74 12 9c 58 f6 c4 02 0f 85 6e 03 00 00 31 ff e8 37 df 95 ff e8 c2 f3 99 ff fb 45 85 ed <0f> 88 37 03 00 00 4c 2b 24 24 48 ba cf f7 53 e3 a5 9b c4 20 49 63
<4> [423.632762] RSP: 0018:ffff997640113e80 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
<4> [423.632764] RAX: ffff8c76ddbbc040 RBX: ffffffffa74a2120 RCX: 0000000000000001
<4> [423.632765] RDX: 0000000000000046 RSI: 0000000000000006 RDI: ffffffffa730cf61
<4> [423.632766] RBP: ffff8c76d998dfa8 R08: 0000000000000000 R09: 0000000000000000
<4> [423.632767] R10: 0000000000000000 R11: 0000000000000000 R12: 00000062a25ee2e7
<4> [423.632768] R13: 0000000000000002 R14: 0000000000000002 R15: 0000000000000000
<4> [423.632776]  cpuidle_enter+0x24/0x40
<4> [423.632779]  do_idle+0x1e7/0x250
<4> [423.632782]  cpu_startup_entry+0x14/0x20
<4> [423.632784]  start_secondary+0x15f/0x1b0
<4> [423.632787]  secondary_startup_64+0xa4/0xb0
<6> [423.632796] Sending NMI from CPU 1 to CPUs 2:
<4> [423.632838] NMI backtrace for cpu 2
<4> [423.632839] CPU: 2 PID: 2453 Comm: kms_plane_scali Tainted: G     U            5.4.0-rc2-g38af7ec455b5-drmtip_388+ #1
<4> [423.632840] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3183.A00.1905020411 05/02/2019
<4> [423.632840] RIP: 0010:strncpy+0x21/0x30
<4> [423.632841] Code: 75 ed f3 c3 0f 1f 44 00 00 48 85 d2 48 89 f8 74 1e 48 01 fa 48 89 f9 44 0f b6 06 41 80 f8 01 44 88 01 48 83 de ff 48 83 c1 01 <48> 39 d1 75 e8 f3 c3 0f 1f 84 00 00 00 00 00 80 3f 00 48 89 f8 48
<4> [423.632842] RSP: 0018:ffff997640ba3cd8 EFLAGS: 00000282
<4> [423.632843] RAX: ffff997640ba3dd8 RBX: ffff8c76ba9d0000 RCX: ffff997640ba3dea
<4> [423.632844] RDX: ffff997640ba3df8 RSI: ffff8c76d7f0ef67 RDI: ffff997640ba3dd8
<4> [423.632844] RBP: ffff8c76cc6ebfc8 R08: 0000000000000000 R09: 0000000000000001
<4> [423.632845] R10: 0000000000000000 R11: 0000000000000000 R12: ffff997640ba3dc0
<4> [423.632846] R13: ffffffffa6684980 R14: ffff8c76d7f0ef38 R15: ffffffffa7085c10
<4> [423.632846] FS:  00007ff544daf240(0000) GS:ffff8c76dfd00000(0000) knlGS:0000000000000000
<4> [423.632847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [423.632848] CR2: 00007ff544de3002 CR3: 000000048d426001 CR4: 0000000000760ee0
<4> [423.632848] PKRU: 55555554
<4> [423.632849] Call Trace:
<4> [423.632849]  drm_mode_getproperty_ioctl+0x63/0x1d0
<4> [423.632850]  ? drm_property_create_bitmask+0x90/0x90
<4> [423.632850]  drm_ioctl_kernel+0xa7/0xf0
<4> [423.632851]  drm_ioctl+0x2e1/0x390
<4> [423.632851]  ? drm_property_create_bitmask+0x90/0x90
<4> [423.632852]  do_vfs_ioctl+0xa0/0x6f0
<4> [423.632853]  ? find_held_lock+0x2d/0x90
<4> [423.632853]  ? __task_pid_nr_ns+0xbc/0x1f0
<4> [423.632854]  ksys_ioctl+0x35/0x60
<4> [423.632854]  __x64_sys_ioctl+0x11/0x20
<4> [423.632855]  do_syscall_64+0x4f/0x210
<4> [423.632855]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [423.632856] RIP: 0033:0x7ff5444605d7
<4> [423.632857] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [423.632857] RSP: 002b:00007ffd6cc990a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [423.632859] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff5444605d7
<4> [423.632859] RDX: 00007ffd6cc990e0 RSI: 00000000c04064aa RDI: 0000000000000005
<4> [423.632860] RBP: 00007ffd6cc990e0 R08: 0000000000000008 R09: 00007ff544735c40
<4> [423.632861] R10: 0000000000000009 R11: 0000000000000246 R12: 00000000c04064aa
<4> [423.632861] R13: 0000000000000005 R14: 0000000000000002 R15: 000055c796ae77e0
<7> [423.633173] [drm:drm_mode_addfb2] [FB:686]
<6> [423.633800] Sending NMI from CPU 1 to CPUs 4:
<4> [423.633809] NMI backtrace for cpu 4 skipped: idling at acpi_processor_ffh_cstate_enter+0x70/0xc0
<6> [423.634805] Sending NMI from CPU 1 to CPUs 5:
<4> [423.634813] NMI backtrace for cpu 5 skipped: idling at acpi_processor_ffh_cstate_enter+0x70/0xc0
<7> [423.635088] [drm:skl_update_scaler [i915]] scaler_user index 1.8: staged scaling request for 8x8->3840x2160 scaler_users = 0x100
<7> [423.635127] [drm:intel_atomic_setup_scalers [i915]] Attached scaler id 1.0 to PLANE:92
<7> [423.635155] [drm:skl_compute_wm [i915]] [PLANE:92:plane 1B] ddb (   0 -    0) -> (   0 -  975), size    0 ->  975
Comment 1 CI Bug Log 2019-10-23 07:23:18 UTC
The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* ICL:  igt@kms_plane_scaling@pipe-b-scaler-with-rotation - dmesg-warn - rcu: INFO: rcu_preempt self-detected stall on CPU
  - https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_388/fi-icl-u3/igt@kms_plane_scaling@pipe-b-scaler-with-rotation.html
Comment 2 Martin Peres 2019-11-29 19:43:34 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/drm/intel/issues/546.


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