Mailinglist Archive: opensuse-bugs (6238 mails)

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[Bug 559047] XEN system hangs with high I/O load
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 15 Dec 2009 12:24:15 +0000
  • Message-id: <20091215122415.336A9CC7CD@xxxxxxxxxxxxxxxxxxxxxx>
http://bugzilla.novell.com/show_bug.cgi?id=559047

http://bugzilla.novell.com/show_bug.cgi?id=559047#c32


--- Comment #32 from Dion Kant <g.w.kant@xxxxxxxxxx> 2009-12-15 12:24:13 UTC ---
(In reply to comment #29)
Are you able to reproduce the bug?

I've personally not seen the bug, and I'm not determined whether it has been
reproduced in our lab.

2. I moved the WARN_ON out of the for loop:

Of course it was meant to be that way.

It happens that I have to convince myself that I am still able to trigger the
bug. This bug did first manifests itself on a (new) supermicro machine with
4GB
RAM when I was untarring a large tar file on a domU.

Without any network load? This would be the opposite of the result you posted
in #16.

I will try to narrow it further down. I think some network traffic is required
to trigger it while doing domU disk access. However, I was not able to get it
triggered with a transfer of data from dom0 to domU:/dev/null.

I think that the combination of disk access and network traffic is required.

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