[Bug 76242] New: [Regression]system boot fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76242

          Priority: high
            Bug ID: 76242
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [Regression]system boot fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: blocker
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 95901
  --> https://bugs.freedesktop.org/attachment.cgi?id=95901&action=edit
dmesg

System Environment:
--------------------------
Platform: Ironlake
Kernel: (drm-intel-nightly)9d6f0b86d8b45db3aa5a87588c659fa9e896197c

Bug detailed description:
-------------------------
Clean boot system, it fails on all platforms with -queued and -nightly kernel.

The latest known good commit: b2040f6fed736ccd2319768bc59833abe74148b8
The latest known bad commit: 876a6f24da2dd1b47b47ac849b204f45b5337a28

Call Trace:
[   88.170881]  <IRQ>  [<ffffffff8102496c>] ?
arch_trigger_all_cpu_backtrace+0x60/0x68^M
[   88.170885]  [<ffffffff81071015>] ? rcu_check_callbacks+0x40b/0x4e5^M
[   88.170888]  [<ffffffff8103d44f>] ? update_process_times+0x31/0x56^M
[   88.170891]  [<ffffffff81078b61>] ? tick_sched_handle+0x30/0x3b^M
[   88.170894]  [<ffffffff81078df6>] ? tick_sched_timer+0x30/0x4c^M
[   88.170895]  [<ffffffff8104d445>] ? __run_hrtimer.isra.25+0x4a/0xa2^M
[   88.170898]  [<ffffffff8104d9fc>] ? hrtimer_interrupt+0xe3/0x1de^M
[   88.170900]  [<ffffffff810238c2>] ? smp_apic_timer_interrupt+0x36/0x46^M
[   88.170901]  [<ffffffff8172230a>] ? apic_timer_interrupt+0x6a/0x70^M
[   88.170905]  <EOI>  [<ffffffff8163b72f>] ? cpuidle_enter_state+0x43/0xa6^M
[   88.170908]  [<ffffffff8163b728>] ? cpuidle_enter_state+0x3c/0xa6^M
[   88.170910]  [<ffffffff8163b856>] ? cpuidle_idle_call+0xc4/0x10a^M
[   88.170911]  [<ffffffff81008dd9>] ? arch_cpu_idle+0x6/0x19^M
[   88.170914]  [<ffffffff81069d53>] ? cpu_startup_entry+0xa7/0x110^M
[   88.170917] Code: 69 d2 fa 00 00 00 f7 e2 48 8d 7a 01 e9 93 ff ff ff 65 8b
34 25 1c b0 00 00 66 66 90 0f ae e8 0f 31 89 c1 66 66 90 0f ae e8 0f 31 <89> c2
29 ca 39 fa 73 23 f3 90 65 44 8b 04 25 1c b0 00 00 44 39 ^M
[   88.170933] NMI backtrace for cpu 0^

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