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[Xen-bugs] [Bug 1564] New: domU hang and is unresponsive on Debian Lenny

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Subject: [Xen-bugs] [Bug 1564] New: domU hang and is unresponsive on Debian Lenny
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Date: Sat, 16 Jan 2010 14:18:51 -0800
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           Summary: domU hang and is unresponsive on Debian Lenny
           Product: Xen
           Version: unspecified
          Platform: All
               URL: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534880
        OS/Version: Linux-2.6
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: Unspecified
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: lg@xxxxxxxx

It's certainly a specific bug on Debian Lenny, but somebody in the Xen's
community could maybe help us.

the bug is on 32 bits and 64 bits.

Summary from the Debian bug report:

"At some point, the domU just hangs, and "xm console" is unresponsive. still
able to ping the domU server, but not log in via ssh, and existing ssh
connections stop working. "xm reboot" and "xm shutdown" are useless.
eventually, we "xm destroy" it, and it continues to work for another 1-3 days."

"I'm experiencing the same problem on multi-vcpu domUs. The dom0 and domUs are
2.6.26-17lenny2 on amd64 or i386. When a domU hangs it's stuck in "r" state
on at least one vcpu, the network stack and the console are unresponsive."

"we're suffering from this bug also on three Dom0 servers. All
DomUs which froze at least once have vcpu > 1."

The details: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534880

Thanks for your feedback.

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