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Re: [Xen-devel] [xen-4.1-testing test] 9805: regressions - FAIL
| To: | Jan Beulich <JBeulich@xxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [xen-4.1-testing test] 9805: regressions - FAIL |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Thu, 17 Nov 2011 09:06:51 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
| Delivery-date: | Thu, 17 Nov 2011 01:09:08 -0800 |
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| Thread-topic: | [Xen-devel] [xen-4.1-testing test] 9805: regressions - FAIL |
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On 17/11/2011 08:32, "Jan Beulich" <JBeulich@xxxxxxxx> wrote: > This is due to a bad backport of c/s 24007:0526644ad2a6: In -unstable, > evtchn_unmask() must be called with d->event_lock held, while in 4.1 > the function acquires the lock (and now gets called with the lock already > held from do_physdev_op()'s case PHYSDEVOP_eoi). The change dates > back to 23573:584c2e5e03d9, which hardly is a candidate for backporting > (but maybe the locking change needs to be pulled out of there). Interestingly, Ubuntu's 4.1 fix has exactly the same problem. I'll revert the patch until someone has time to actually implement and test a working patch against our vanilla 4.1-testing tree. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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