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Re: [Xen-devel] crash due to frequent access to csched_dom
| To: | David Xu <davidxu06@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] crash due to frequent access to csched_dom |
| From: | George Dunlap <George.Dunlap@xxxxxxxxxxxxx> |
| Date: | Thu, 14 Jul 2011 10:52:23 +0100 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx> |
| Delivery-date: | Thu, 14 Jul 2011 02:52:56 -0700 |
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On Wed, Jul 13, 2011 at 5:54 PM, David Xu <davidxu06@xxxxxxxxx> wrote: > Hi, > > I am changing the credit1 scheduler. But I encountered a problem that the > system will crash if I use some fileds of struct csched_dom (e.t. > sdom->weight, sdom->credit ) frequently in the csched_vcpu_acct() or > csched_runq_sort(). It seems strange. Can anyone give me some suggestion or > share your experience? Thanks. Did you get any output on the serial console? If you don't have a serial console set up, that's the first thing to do. It's immensely helpful when doing Xen debugging, especially scheduler stuff. You can learn more about setting up a Xen serial console here: http://wiki.xensource.com/xenwiki/XenSerialConsole -George _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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