From: Keir Fraser <keir.xen@gmail.com>
To: Jan Beulich <JBeulich@suse.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: xen-devel@lists.xensource.com, Ian Jackson <Ian.Jackson@eu.citrix.com>
Subject: Re: [xen-4.1-testing test] 9805: regressions - FAIL
Date: Thu, 17 Nov 2011 09:06:51 +0000 [thread overview]
Message-ID: <CAEA7F2B.250F3%keir.xen@gmail.com> (raw)
In-Reply-To: <4EC4D4AE02000078000617B3@nat28.tlf.novell.com>
On 17/11/2011 08:32, "Jan Beulich" <JBeulich@suse.com> 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
next prev parent reply other threads:[~2011-11-17 9:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-16 22:23 [xen-4.1-testing test] 9805: regressions - FAIL xen.org
2011-11-17 8:32 ` Jan Beulich
2011-11-17 9:06 ` Keir Fraser [this message]
2011-11-17 9:57 ` Stefan Bader
2011-11-17 10:13 ` Keir Fraser
2011-11-17 10:28 ` Stefan Bader
2011-11-17 10:32 ` Stefano Stabellini
2011-11-17 10:37 ` Keir Fraser
2011-11-17 10:43 ` Stefano Stabellini
2011-11-17 11:32 ` Sander Eikelenboom
2011-11-17 12:42 ` Ian Jackson
2011-11-17 20:03 ` Pasi Kärkkäinen
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