[Bug 100044] New: coretemp initialization gets stuck

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Mar 3 10:14:38 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=100044

            Bug ID: 100044
           Summary: coretemp initialization gets stuck
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: imre.deak at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 130040
  --> https://bugs.freedesktop.org/attachment.cgi?id=130040&action=edit
dmesg log with failed suspend

On KBL IGT suspend-to-mem tests fail with the following trace. This ticket is
for CI/IGT tracking only, I opened a corresponding upstream ticket:
https://bugzilla.kernel.org/show_bug.cgi?id=194771

[  244.186724] PM: Preparing system for sleep (mem)
[  244.190427] Freezing user space processes ...
[  264.199520] Freezing of tasks failed after 20.009 seconds (1 tasks refusing
to freeze,
+wq_busy=0):
[  264.199722] systemd-udevd   D    0   319    281 0x00000004
[  264.199785] Call Trace:
[  264.199819]  __schedule+0x30e/0xbd0
[  264.199848]  schedule+0x3b/0x90
[  264.199867]  schedule_timeout+0x23b/0x490
[  264.199886]  ? _raw_spin_unlock_irq+0x27/0x50
[  264.199904]  ? __this_cpu_preempt_check+0x13/0x20
[  264.199923]  ? trace_hardirqs_on_caller+0xe7/0x200
[  264.199947]  wait_for_common+0x11a/0x1d0
[  264.200075]  ? wake_up_q+0x70/0x70
[  264.200100]  wait_for_completion+0x18/0x20
[  264.200118]  cpuhp_issue_call+0x9b/0xd0
[  264.200137]  __cpuhp_setup_state+0xe9/0x170
[  264.200159]  ? coretemp_remove+0x60/0x60 [coretemp]
[  264.200174]  ? 0xffffffffa0275000
[  264.200197]  coretemp_init+0x8b/0x1000 [coretemp]
[  264.200217]  do_one_initcall+0x3f/0x170
[  264.200236]  ? rcu_read_lock_sched_held+0x75/0x80
[  264.200255]  ? kmem_cache_alloc_trace+0x274/0x2e0
[  264.200269]  ? do_init_module+0x22/0x1fb
[  264.200311]  load_module+0x2091/0x2410
[  264.200326]  ? symbol_put_addr+0x60/0x60
[  264.200356]  ? kernel_read_file+0x105/0x190
[  264.200389]  SyS_finit_module+0xbc/0xf0
[  264.200424]  entry_SYSCALL_64_fastpath+0x1c/0xb1

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