[Bug 99432] X crashes when re-docking after undock (to_sna_output failed assert)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Jan 16 20:04:48 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=99432
--- Comment #1 from Jacopo De Simoi <wilderkde at gmail.com> ---
I have a ThinkPad T460s (Skylake). After undocking from an UltraDock with DP
MST hub), docking one more time causes a failed assert;
Please let me know if I should enable further debug options.
[ 245.560] (EE)
[ 245.560] (EE) Backtrace:
[ 245.560] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x58ade6]
[ 245.560] (EE) 1: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f6f56438000+0x9c012) [0x7f6f564d4012]
[ 245.560] (EE) 2: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f6f56438000+0xa0e2b) [0x7f6f564d8e2b]
[ 245.560] (EE) 3: /usr/lib64/xorg/modules/drivers/intel_drv.so
(0x7f6f56438000+0xaa4ad) [0x7f6f564e24ad]
[ 245.561] (EE) 4: /usr/bin/X (xf86Wakeup+0x1aa) [0x4764ca]
[ 245.561] (EE) 5: /usr/bin/X (WakeupHandler+0x6b) [0x43a36b]
[ 245.561] (EE) 6: /usr/bin/X (WaitForSomething+0x1dd) [0x587c5d]
[ 245.561] (EE) 7: /usr/bin/X (0x400000+0x3557e) [0x43557e]
[ 245.561] (EE) 8: /usr/bin/X (0x400000+0x397b3) [0x4397b3]
[ 245.561] (EE) 9: /lib64/libc.so.6 (__libc_start_main+0xf0) [0x7f6f5a6a4790]
[ 245.561] (EE) 10: /usr/bin/X (_start+0x29) [0x423aa9]
[ 245.561] (EE)
[ 245.561] (EE)
Fatal server error:
[ 245.561] (EE) sna_output_add:5098 assertion 'to_sna_output(output)->id ==
0' failed
[ 245.561] (EE)
[ 245.562] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 245.562] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[ 245.562] (EE)
[ 245.562] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 246.282] (EE) Server terminated with error (1). Closing log file.
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