| Summary: | X crashes when re-docking after undock (to_sna_output failed assert) | ||
|---|---|---|---|
| Product: | xorg | Reporter: | Jacopo De Simoi <wilderkde> |
| Component: | Driver/intel | Assignee: | Chris Wilson <chris> |
| Status: | RESOLVED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
|
Description
Jacopo De Simoi
2017-01-16 20:01:20 UTC
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.
It was a bad assert - a timing issue where we might not see the disconnect before the reconnect. |
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