[Bug 85903] New: intel monitor hotplug

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85903

            Bug ID: 85903
           Summary: intel monitor hotplug
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: lists at svrinformatica.it
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

xorg 1.16.1 intel driver 2.99.916, every time i connect disconnect my external
display I get this trace:

[ 2866.466461] CPU: 0 PID: 185 Comm: kworker/0:2 Tainted: G        W  O  
3.17.2-1-ARCH #1
[ 2866.466463] Hardware name: LENOVO 20BE0065IX/20BE0065IX, BIOS GMET66WW (2.14
) 07/01/2014
[ 2866.466473] Workqueue: events i915_hotplug_work_func [i915]
[ 2866.466475]  0000000000000000 0000000000dfeb71 ffff880232f93c90
ffffffff815367d0
[ 2866.466478]  ffff880232f93cd8 ffff880232f93cc8 ffffffff8107054d
ffff8800ab0f20e0
[ 2866.466480]  0000000000000000 ffff8800aa840000 0000000000000011
0000000000000003
[ 2866.466483] Call Trace:
[ 2866.466488]  [<ffffffff815367d0>] dump_stack+0x4d/0x6f
[ 2866.466492]  [<ffffffff8107054d>] warn_slowpath_common+0x7d/0xa0
[ 2866.466495]  [<ffffffff810705cc>] warn_slowpath_fmt+0x5c/0x80
[ 2866.466505]  [<ffffffffa0389e5b>] ? drm_dp_dpcd_read+0x1b/0x20
[drm_kms_helper]
[ 2866.466517]  [<ffffffffa04a9f12>] edp_panel_vdd_off.part.12+0x62/0x70 [i915]
[ 2866.466529]  [<ffffffffa04aa880>] intel_dp_probe_mst.part.13+0xb0/0xf0
[i915]
[ 2866.466540]  [<ffffffffa04ab559>] intel_dp_detect+0xa9/0x230 [i915]
[ 2866.466552]  [<ffffffffa0463948>] i915_hotplug_work_func+0x1f8/0x310 [i915]
[ 2866.466556]  [<ffffffff81088b85>] process_one_work+0x145/0x400
[ 2866.466559]  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
[ 2866.466561]  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
[ 2866.466564]  [<ffffffff8108e06a>] kthread+0xea/0x100
[ 2866.466566]  [<ffffffff8108df80>] ? kthread_create_on_node+0x1b0/0x1b0
[ 2866.466569]  [<ffffffff8153c6fc>] ret_from_fork+0x7c/0xb0
[ 2866.466572]  [<ffffffff8108df80>] ? kthread_create_on_node+0x1b0/0x1b0
[ 2866.466573] ---[ end trace 3a7bc5d023caa45d ]---

the system show no visible issues

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