[Bug 76723] New: [HSW Regression]call trace appears with booting system

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76723

          Priority: medium
            Bug ID: 76723
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW Regression]call trace appears with booting system
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 96514
  --> https://bugs.freedesktop.org/attachment.cgi?id=96514&action=edit
dmesg

System Environment:
--------------------------
Platform: Haswell
Kernel:    (drm-intel-nightly) 10c69add19dda3677219254d3e9dc3becbb60b97

Bug detailed description:
-----------------------------
Clean boot system, call trace appears in dmesg.
The latest known good commit: b2040f6fed736ccd2319768bc59833abe74148b8
The latest known bad commit: 1bf70dad78613afeedc7e8550bb140ef5a19a2f1

dmesg:
[    1.050829] WARNING: CPU: 5 PID: 1338 at
drivers/gpu/drm/drm_crtc_helper.c:131
drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]()
[    1.050990] Modules linked in: i915(+) video button drm_kms_helper drm
[    1.051306] CPU: 5 PID: 1338 Comm: udevd Not tainted
3.14.0-rc7_drm-intel-next-queued_1bf70d_20140328+ #1106
[    1.051485] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A03
09/17/2013
[    1.051633]  0000000000000000 0000000000000009 ffffffff81716de3
0000000000000000
[    1.051926]  ffffffff81035052 0000000000000190 ffffffffa00464ba
ffff8800db39e978
[    1.052217]  ffff8800db1f1c00 0000000000000000 ffff8800dbbc0800
0000000000002000
[    1.052525] Call Trace:
[    1.052617]  [<ffffffff81716de3>] ? dump_stack+0x41/0x51
[    1.052712]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
[    1.052808]  [<ffffffffa00464ba>] ?
drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]
[    1.052959]  [<ffffffffa00464ba>] ?
drm_helper_probe_single_connector_modes+0x3f/0x2d2 [drm_kms_helper]
[    1.053109]  [<ffffffffa0047318>] ?
drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
[    1.053259]  [<ffffffffa004827c>] ? drm_fb_helper_initial_config+0x1ab/0x450
[drm_kms_helper]
[    1.053425]  [<ffffffffa008e54a>] ? hsw_write32+0x80/0x9b [i915]
[    1.053542]  [<ffffffffa00c4f9f>] ? i915_driver_load+0xbad/0xe1e [i915]
[    1.053642]  [<ffffffffa000749f>] ? drm_dev_register+0x74/0xe7 [drm]
[    1.053740]  [<ffffffffa0009729>] ? drm_get_pci_dev+0xff/0x1bc [drm]
[    1.053836]  [<ffffffff81384e55>] ? __pm_runtime_resume+0x5b/0x6a
[    1.053933]  [<ffffffff812f8bc9>] ? local_pci_probe+0x35/0x7a
[    1.054029]  [<ffffffff8137c904>] ? driver_probe_device+0x1b3/0x1b3
[    1.054125]  [<ffffffff812f8e6c>] ? pci_device_probe+0xcc/0xf0
[    1.054220]  [<ffffffff8137c7e3>] ? driver_probe_device+0x92/0x1b3
[    1.054316]  [<ffffffff8137c957>] ? __driver_attach+0x53/0x73
[    1.054411]  [<ffffffff8137b0be>] ? bus_for_each_dev+0x4e/0x7f
[    1.054515]  [<ffffffff8137c065>] ? bus_add_driver+0xe2/0x1c7
[    1.054610]  [<ffffffff8137ce9a>] ? driver_register+0x82/0xb5
[    1.054704]  [<ffffffffa00fc000>] ? 0xffffffffa00fbfff
[    1.054798]  [<ffffffff81000296>] ? do_one_initcall+0x78/0xfa
[    1.054893]  [<ffffffff8104e4af>] ? __blocking_notifier_call_chain+0x4f/0x5d
[    1.054991]  [<ffffffff8107fe72>] ? load_module+0x1745/0x1a13
[    1.055087]  [<ffffffff8107da98>] ? mod_kobject_put+0x42/0x42
[    1.055181]  [<ffffffff810801d0>] ? SyS_init_module+0x90/0x9b
[    1.055277]  [<ffffffff817214a2>] ? system_call_fastpath+0x16/0x1b
[    1.055372] ---[ end trace d52081c360bd53db ]---

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