Bug#449039: xserver-xorg: X slows down and finally crash with too many remote clients
reassign 449039 xserver-xorg-core
found 449039 2:1.4-3
thank you
marmodoro@libero.it wrote:
> I'm keeping sid updated on an almost daily basis, but this is the first time the problem occurs. It's reproducible, in the sense that I can experience it as soon as heavy X11 networking activity is taking place with Mathematica as the remote client; five sessions are enough, if they happen to send what apparently is the critical event concurrently. On the other hand this was not my usage pattern until a few days ago or so, therefore I cannot be sure the bug wasn't already there.
>
> The problem is not a freeze, but a complete Xserver crash: kde and all the open applications fail, and I'm dropped back to a textual console. Then kdm respawns, and I have to login again. Of course loosing all the unsaved documents and open sessions elsewhere in the process.
>
> I don't have a backtrace available at the moment, and apparently not much is shown in the Xorg.log file (I might have to increase the verbosity there).
If it is the crash like you're reporting, there should be a backtrace.
> But here follows the final part of my ~/.xsession-errors, saved immediately after the crash.
>
Do you know if these 'X Error' appeared right before the crash? or which
of them?
> Thanks a lot again, and please let me know if anything more could help (I'll have to see how to do the gdb backtrace you suggested, I've never tried).
>
Yes we really need a backtrace. If you have another machine, use it to
log on the first one through ssh, run 'gdb -p $(pidof X)', reproduce the
crash, enter 'bt full' in gdb, and send us the whole output.
Brice
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