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[Xen-bugs] [Bug 1164] Dom0 "BUG: soft lockup detected on CPU#0!", (ntpd?

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Subject: [Xen-bugs] [Bug 1164] Dom0 "BUG: soft lockup detected on CPU#0!", (ntpd?)
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Tue, 27 May 2008 17:29:47 -0700
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stas@xxxxxxx changed:

           What    |Removed                     |Added
                 CC|                            |stas@xxxxxxx
           Severity|normal                      |critical

------- Comment #3 from stas@xxxxxxx  2008-05-27 17:29 -------
Same problem here.  Using xen 3.2 on ubuntu 8.04.  When using more than 1 vcpu,
I experience guest lockup with kernel error message:
BUG: soft lockup - CPU#2 stuck for 11s!

Sometimes it is preceded with another error message:
BUG: unable to handle kernel paging request at virtual address c1a33be0

It's not hardware -- I tested on 2 different Dell 1950 servers.

To reproduce the problem I have to run a large compile job on guest. It usually
crashes within 10 minutes.

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