[Bug 99069] New: X crashes when docking Lenovo T460p on Linux 4.9.0 with intel-driver 2.99.917_p20161118

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99069

            Bug ID: 99069
           Summary: X crashes when docking Lenovo T460p on Linux 4.9.0
                    with intel-driver 2.99.917_p20161118
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: bugs.freedesktop.org at r123.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 128449
  --> https://bugs.freedesktop.org/attachment.cgi?id=128449&action=edit
/sys/class/drm/card0/error

When docking my ThinkPad T460p the X-server crashes.

Stacktrace in Xorg.log:
[ 12751.122] (EE) 
[ 12751.122] (EE) Backtrace:
[ 12751.130] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x58a9d6]
[ 12751.130] (EE) 1: /usr/bin/X (0x400000+0x18ec79) [0x58ec79]
[ 12751.130] (EE) 2: /lib64/libc.so.6 (0x7f1845e23000+0x33330) [0x7f1845e56330]
[ 12751.130] (EE) 3: /lib64/libc.so.6 (readdir+0x29) [0x7f1845ed8799]
[ 12751.130] (EE) 4: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f184263e000+0x73ca8) [0x7f18426b1ca8]
[ 12751.130] (EE) 5: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f184263e000+0x7667a) [0x7f18426b467a]
[ 12751.130] (EE) 6: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f184263e000+0x7daed) [0x7f18426bbaed]
[ 12751.130] (EE) 7: /usr/bin/X (xf86Wakeup+0x1aa) [0x47635a]
[ 12751.130] (EE) 8: /usr/bin/X (WakeupHandler+0x6b) [0x43a1fb]
[ 12751.130] (EE) 9: /usr/bin/X (WaitForSomething+0x1dd) [0x587aed]
[ 12751.130] (EE) 10: /usr/bin/X (0x400000+0x3540e) [0x43540e]
[ 12751.130] (EE) 11: /usr/bin/X (0x400000+0x39643) [0x439643]
[ 12751.130] (EE) 12: /lib64/libc.so.6 (__libc_start_main+0xf0)
[0x7f1845e43630]
[ 12751.130] (EE) 13: /usr/bin/X (_start+0x29) [0x423939]
[ 12751.130] (EE) 
[ 12751.130] (EE) Segmentation fault at address 0x4
[ 12751.130] (EE) 
Fatal server error:
[ 12751.130] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 12751.130] (EE) 
[ 12751.130] (EE) 
Please consult the The X.Org Foundation support 
         at http://wiki.x.org
 for help. 
[ 12751.130] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[ 12751.130] (EE) 
[ 12751.130] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 12751.311] (EE) Server terminated with error (1). Closing log file.


dmesg output:
[12717.769359] [drm] GPU HANG: ecode 9:0:0xd1236820, in kscreenlocker_g [8438],
reason: Hang on blitter ring, action: reset
[12717.769360] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[12717.769361] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[12717.769361] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[12717.769362] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[12717.769363] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[12717.769387] drm/i915: Resetting chip after gpu hang
[12717.769433] [drm] RC6 on
[12717.785176] [drm] GuC firmware load skipped
[12728.777438] drm/i915: Resetting chip after gpu hang
[12728.777501] [drm] RC6 on
[12728.791475] [drm] GuC firmware load skipped
[12738.761024] drm/i915: Resetting chip after gpu hang
[12738.761072] [drm] RC6 on
[12738.773170] [drm] GuC firmware load skipped
[12751.001612] thinkpad_acpi: docked into hotplug port replicator
[12751.395118] kscreen_backend[2113]: segfault at 20 ip 00007f0484af77aa sp
00007ffe1db76fd8 error 4 in libc-2.22.so[7f0484a76000+193000]
[12751.489112] traps: ck-remove-direc[9159] trap int3 ip:7f7d8c30c76e
sp:7ffc0d35a480 error:0
[12751.489114]  in libglib-2.0.so.0.4800.2[7f7d8c2bc000+10e000]
[12753.607932] usb 1-3.4.3: new full-speed USB device number 11 using xhci_hcd
[12753.660436] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe B
FIFO underrun
[12754.360629] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: Rx/Tx
[12758.077536] traps: ck-remove-direc[9743] trap int3 ip:7efcf42cf76e
sp:7fff4536fde0 error:0
[12758.077538]  in libglib-2.0.so.0.4800.2[7efcf427f000+10e000]


/sys/class/drm/card0/error is attached.

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