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Re: [Xen-devel] [PATCH] BUG() on soft lockup upon suspend/resume
| To: | Glauber de Oliveira Costa <gcosta@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] BUG() on soft lockup upon suspend/resume |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Tue, 10 Oct 2006 11:06:56 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 10 Oct 2006 03:07:27 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH] BUG() on soft lockup upon suspend/resume |
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On 10/10/06 01:29, "Glauber de Oliveira Costa" <gcosta@xxxxxxxxxx> wrote: > BUG: soft lockup detected on CPU#1! > > Call Trace: The trace indicates the CPU is idling, so certainly this is a bogus softlockup warning. I guess we already knew that. ;-) > It obviously never happen on CPU#0, but I see it on all others (vcpus=4) Probably worth instrumenting the warning message to print jiffies and timestamp. Also the timestamp values for all other CPUs and see how much they vary. We want to find out if one CPU is cimply lagging in touching the softlockup watchdog, or if perhaps jiffies is updating in big jumps. Given that this is so repro'able for you, it's weird noone else has reported it. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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