[Bug 71980] New: [BYT Bisected]System booting up with call trace in dmesg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71980

          Priority: medium
            Bug ID: 71980
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BYT Bisected]System booting up with call trace in
                    dmesg
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 89734
  --> https://bugs.freedesktop.org/attachment.cgi?id=89734&action=edit
Call trace dmesg

Environment:
--------------------------
Kernel: (drm-intel-fixes)2daabd7848b89afddd93be616f1be5639ea78822
Some additional commit info:
Author: Lars-Peter Clausen <lars at metafoo.de>
Date:   Fri Aug 30 17:39:33 2013 +0200

    ASoC: dapm: Fix auto-disable for inverted controls

    We need to make sure that the control's cached value is initialized to the
same
    value as the control's widget->on_val. Otherwise updates might be lost.

Reproduce step:
---------------------
1. system boot up
2. dmesg | grep -i "call trace"

Call Trace:
---------------------
[    1.954059] [drm:intel_detect_pch], No PCH found?
[    1.954342] INFO: trying to register non-static key.
[    1.954354] the code is fine but needs lockdep annotation.
[    1.954362] turning off the locking correctness validator.
[    1.954373] CPU: 0 PID: 1204 Comm: systemd-udevd Not tainted
3.11.0-rc5_drm-intel-fixes_2daabd_20131125+ #1
[    1.954383] Hardware name: Intel Corp. VALLEYVIEW B3 PLATFORM/NOTEBOOK, BIOS
BBAYCRB1.X64.0068.R30.1311051945 BBAY_X64_R_V68_30 11/05/2013
[    1.954396]  0000000000000002 ffff880079a837d8 ffffffff817b78cb
0000000000000000
[    1.954412]  ffff880079a838a0 ffffffff81088118 ffff880079b20000
ffffffff8104eddd
[    1.954426]  0000000ffffffff1 0000000079ba2000 ffffffff00000000
ffff880000000000
[    1.954440] Call Trace:
[    1.954452]  [<ffffffff817b78cb>] dump_stack+0x45/0x56
[    1.954465]  [<ffffffff81088118>] __lock_acquire+0x736/0x1825
[    1.954476]  [<ffffffff8104eddd>] ? __flush_work+0x3a/0x1d3
[    1.954488]  [<ffffffff8108778f>] ? trace_hardirqs_on_caller+0x16e/0x18a
[    1.954500]  [<ffffffff810877b8>] ? trace_hardirqs_on+0xd/0xf
[    1.954510]  [<ffffffff8104eddd>] ? __flush_work+0x3a/0x1d3
[    1.954521]  [<ffffffff81089888>] lock_acquire+0x99/0x107
[    1.954531]  [<ffffffff8104ef7b>] ? flush_work+0x5/0x57
[    1.954541]  [<ffffffff81087604>] ? mark_held_locks+0xd1/0xee
[    1.954551]  [<ffffffff8104efaa>] flush_work+0x34/0x57
[    1.954561]  [<ffffffff8104ef7b>] ? flush_work+0x5/0x57
[    1.954572]  [<ffffffff8104fea6>] __cancel_work_timer+0xaf/0xf3
[    1.954582]  [<ffffffff8104ff0f>] cancel_delayed_work_sync+0x13/0x15
[    1.954633]  [<ffffffffa00b2cfe>] intel_disable_gt_powersave+0x26c/0x3c4
[i915]
[    1.954678]  [<ffffffffa00b4446>] intel_gt_sanitize+0x91/0x93 [i915]
[    1.954713]  [<ffffffffa0072049>] i915_driver_load+0x753/0xd2d [i915]
[    1.954741]  [<ffffffffa0016998>] ? drm_get_minor+0x1d4/0x22e [drm]
[    1.954765]  [<ffffffffa00185d5>] drm_get_pci_dev+0x169/0x269 [drm]
[    1.954800]  [<ffffffffa006e6b2>] i915_pci_probe+0x53/0x5d [i915]
[    1.954812]  [<ffffffff8136a6df>] local_pci_probe+0x1f/0x30
[    1.954822]  [<ffffffff8136afcf>] pci_device_probe+0xbf/0xe5
[    1.954835]  [<ffffffff813f69c5>] driver_probe_device+0x95/0x1a0
[    1.954846]  [<ffffffff813f6b6e>] __driver_attach+0x61/0x83
[    1.954856]  [<ffffffff813f6b0d>] ? __device_attach+0x3d/0x3d
[    1.954867]  [<ffffffff813f4f5d>] bus_for_each_dev+0x80/0x8a
[    1.954877]  [<ffffffff813f6549>] driver_attach+0x1e/0x20
[    1.954888]  [<ffffffff813f6163>] bus_add_driver+0x10e/0x216
[    1.954899]  [<ffffffff813f7059>] driver_register+0x8f/0x100
[    1.954909]  [<ffffffff8136adc1>] __pci_register_driver+0x60/0x63
[    1.954920]  [<ffffffffa00fd000>] ? 0xffffffffa00fcfff
[    1.954942]  [<ffffffffa0018760>] drm_pci_init+0x8b/0xef [drm]
[    1.954952]  [<ffffffffa00fd000>] ? 0xffffffffa00fcfff
[    1.954988]  [<ffffffffa00fd066>] i915_init+0x66/0x68 [i915]
[    1.955000]  [<ffffffff81000271>] do_one_initcall+0x84/0x10f
[    1.955011]  [<ffffffff8105930e>] ? up_read+0x1f/0x35
[    1.955021]  [<ffffffff8105a46b>] ? __blocking_notifier_call_chain+0x51/0x5f
[    1.955034]  [<ffffffff81092d6a>] load_module+0x15ff/0x1c53
[    1.955044]  [<ffffffff810904f0>] ? store_uevent+0x3a/0x3a
[    1.955056]  [<ffffffff8111d350>] ? vfs_read+0xfd/0x14b
[    1.955067]  [<ffffffff81090800>] ? copy_module_from_fd+0xd0/0xe8
[    1.955078]  [<ffffffff810934c9>] SyS_finit_module+0x57/0x6d
[    1.955091]  [<ffffffff817c5ec2>] system_call_fastpath+0x16/0x1b
[    1.964401] [drm:intel_opregion_setup], graphic opregion physical addr:
0x79568018

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