[Bug 100129] [CTG][BAT]gem_exec_suspend at basic-s3 incomplete on CI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100129

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
[  254.327753] ===============================
[  254.327753] [ ERR: suspicious RCU usage.  ]
[  254.327753] 4.10.0-CI-CI_DRM_2254+ #1 Not tainted
[  254.327753] -------------------------------
[  254.327753] kernel/workqueue.c:712 sched RCU or wq_pool_mutex should be
held!
[  254.327753]
               other info that might help us debug this:

[  254.327753]
               RCU used illegally from offline CPU!
               rcu_scheduler_active = 2, debug_locks = 0
[  254.327753] no locks held by swapper/1/0.
[  254.327753]
               stack backtrace:
[  254.327753] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.10.0-CI-CI_DRM_2254+
#1
[  254.327753] Hardware name: LENOVO 7465CTO/7465CTO, BIOS 6DET44WW (2.08 )
04/22/2009
[  254.327753] Call Trace:
[  254.327753]  dump_stack+0x67/0x92
[  254.327753]  lockdep_rcu_suspicious+0xd7/0x110
[  254.327753]  get_work_pool+0xb1/0xc0
[  254.327753]  __queue_work+0x89/0x620
[  254.327753]  queue_work_on+0x33/0x70
[  254.327753]  clear_sched_clock_stable+0x33/0x40
[  254.327753]  early_init_intel+0x10a/0x310
[  254.327753]  init_intel+0x11/0x310
[  254.327753]  identify_cpu+0x309/0x520
[  254.327753]  identify_secondary_cpu+0x18/0x80
[  254.327753]  smp_store_cpu_info+0x3a/0x40
[  254.327753]  start_secondary+0x53/0x120
[  254.327753]  start_cpu+0x14/0x14
[  254.337007] BUG: using smp_processor_id() in preemptible [00000000] code:
kworker/1:2/105
[  254.337007] caller is debug_smp_processor_id+0x17/0x20
[  254.337007] CPU: 0 PID: 105 Comm: kworker/1:2 Not tainted
4.10.0-CI-CI_DRM_2254+ #1
[  254.337007] Disabled fast string operations
[  254.337007] Hardware name: LENOVO 7465CTO/7465CTO, BIOS 6DET44WW (2.08 )
04/22/2009
[  254.337007] Workqueue: events __clear_sched_clock_stable
[  254.337007] Call Trace:
[  254.337007]  dump_stack+0x67/0x92
[  254.337007]  check_preemption_disabled+0xd7/0xe0
[  254.337007]  debug_smp_processor_id+0x17/0x20
[  254.337007]  __clear_sched_clock_stable+0x11/0x60
[  254.337007]  process_one_work+0x1f4/0x6d0
[  254.337007]  ? process_one_work+0x16e/0x6d0
[  254.337007]  worker_thread+0x49/0x4a0
[  254.337007]  kthread+0x107/0x140
[  254.337007]  ? process_one_work+0x6d0/0x6d0
[  254.337007]  ? kthread_create_on_node+0x40/0x40
[  254.337007]  ret_from_fork+0x2e/0x40
[  254.337007] sched_clock: Marking unstable (254336007317,
-321214989128)<-(-66878981811, 0)
[  254.758282]  cache: parent cpu1 should not be sleeping

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are on the CC list for the bug.
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20170316/5164e00d/attachment.html>