RE: [Xen-devel] Bug: xm commands hanging due to poor threading in xend

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

FWIW, I had a xend crash in -testing where I issued two 'xm create'
commands for two different domains in quick succession, eg at the same
command prompt typing the second one as soon as the first had finished.

I was in a bit of a hurry to get the domains running again so I wasn't
in a position to take any debug information.

James

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Matt Ayres
> Sent: Sunday, 22 January 2006 06:19
> To: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-devel] Bug: xm commands hanging due to poor threading in
> xend
> 
> I have noticed my most major issue with putting xend into full
> production is with many xm commands being issued it hangs and only
> starts working (sometimes) after a "service xend restart".  I created
a
> bug a long time for this and have attached 3 different sets of logs
> using xen-bugtool.  This happens to most servers after running for 3-4
> days.  Those that have little activity on the xend daemon (older
servers
> that were upgraded) can go 2 weeks+ at this point.  Once Xen gets to
> this state even restarting xend so the list command (and others) work,
> running "xm shutdown -a"  will guarantee an internal server error from
> xend.
> 
> I've also run into this once:
> 
> Message from syslogd@vm20 at Fri Jan 20 23:16:52 2006 ...
> vm20 xenstored: xenstored corruption: connection id -1: err No such
file
> or directory: No child '(null)' found
> Error: Error connecting to xend: Connection refused.  Is xend running?
> 
> This is all using -unstable.  There are not many commits to
3.0-testing
> specifically regarding xend/tdb/xenstore so tracking it at this point
> seems useless.
> 
> Bug url: http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=465
> 
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