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Mythtvsetup v0.21 crashes during channel scan

While performing a scan for new channels with mythtvsetup, the following fatal error occurs:

mythtvsetup: xcb_lock.c:77: _XGetXCBBuffer: Assertion `((int) ((xcb_req) - (dpy->request)) >= 0)' failed.

Googling the error indicates it is a thread concurrency issue. Use taskset to limit mythtvsetup to a single cpu/core:

# taskset -c 1 mythtvsetup

Links

http://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg557184.html

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