Bug 2223629 - virt-manager crashes: python3 xcb_io.c:263: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed.
Summary: virt-manager crashes: python3 xcb_io.c:263: poll_for_event: Assertion `!xcb_x...
Keywords:
Status: NEW
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libX11
Version: 7.9
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Adam Jackson
QA Contact: Desktop QE
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-07-18 12:36 UTC by Paulo Andrade
Modified: 2023-07-18 13:34 UTC (History)
1 user (show)

Fixed In Version:
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System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1758384 0 unspecified CLOSED poll_for_event assert(!xcb_xlib_threads_sequence_lost) (was: remote-viewer: Reproducible crash over ssh X11 forwarding) 2023-07-18 12:36:09 UTC
Red Hat Issue Tracker RHELPLAN-162582 0 None None None 2023-07-18 12:37:37 UTC

Description Paulo Andrade 2023-07-18 12:36:09 UTC 
Same backtrace as bz#1792576

#1  0x00007f3efe796a78 in __GI_abort () at abort.c:90
#2  0x00007f3efe78e1a6 in __assert_fail_base (fmt=0x7f3efe8e9d80 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", 
    assertion=assertion@entry=0x7f3ee68ac580 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7f3ee68ac3f3 "xcb_io.c", line=line@entry=263, 
    function=function@entry=0x7f3ee68ac827 <__PRETTY_FUNCTION__.14864> "poll_for_event") at assert.c:92
#3  0x00007f3efe78e252 in __GI___assert_fail (assertion=assertion@entry=0x7f3ee68ac580 "!xcb_xlib_threads_sequence_lost", 
    file=file@entry=0x7f3ee68ac3f3 "xcb_io.c", line=line@entry=263, function=function@entry=0x7f3ee68ac827 <__PRETTY_FUNCTION__.14864> "poll_for_event")
    at assert.c:101
#4  0x00007f3ee683a85a in poll_for_event (dpy=dpy@entry=0x1493800, queued_only=queued_only@entry=0) at xcb_io.c:260
#5  0x00007f3ee683a90c in poll_for_response (dpy=dpy@entry=0x1493800) at xcb_io.c:278
#6  0x00007f3ee683abfd in _XEventsQueued (dpy=0x1493800, mode=mode@entry=1) at xcb_io.c:362
#7  0x00007f3ee683aeae in _XFlush (dpy=<optimized out>) at xcb_io.c:518
...
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