From: Paolo Bonzini <pbonzini@redhat.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andrew Jones <drjones@redhat.com>,
Xen <xen-devel@lists.xensource.com>, Tom Kopec <tek@acm.org>,
Daniel Stodden <daniel.stodden@citrix.com>
Subject: Re: [PATCH] blkfront: Move blkif_interrupt into a tasklet.
Date: Thu, 23 Sep 2010 18:38:03 +0200 [thread overview]
Message-ID: <4C9B826B.10302@redhat.com> (raw)
In-Reply-To: <4C9B7F1A.2040302@goop.org>
On 09/23/2010 06:23 PM, Jeremy Fitzhardinge wrote:
>> Any developments with this? I've got a report of the exact same warnings
>> on RHEL6 guest. See
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=632802
>>
>> RHEL6 doesn't have the 'Move blkif_interrupt into a tasklet' patch, so
>> that can be ruled out. Unfortunately I don't have this reproducing on a
>> test machine, so it's difficult to debug. The report I have showed that
>> in at least one case it occurred on boot up, right after initting the
>> block device. I'm trying to get confirmation if that's always the case.
>>
>> Thanks in advance for any pointers you might have.
>
> Yes, I see it even after reverting that change as well. However I only
> see it on my domain with an XFS filesystem, but I haven't dug any deeper
> to see if that's relevant.
>
> Do you know when this appeared? Is it recent? What changes are in the
> rhel6 kernel in question?
It's got pretty much everything in stable-2.6.32.x, up to the 16 patch
blkfront series you posted last July. There are some RHEL-specific
workarounds for PV-on-HVM, but for PV domains everything matches upstream.
Paolo
next prev parent reply other threads:[~2010-09-23 16:38 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-23 6:54 Fix the occasional xen-blkfront deadlock, when irqbalancing Daniel Stodden
2010-08-23 6:54 ` [PATCH] blkfront: Move blkif_interrupt into a tasklet Daniel Stodden
2010-08-23 7:01 ` Daniel Stodden
2010-09-02 22:46 ` Jeremy Fitzhardinge
2010-09-02 23:08 ` Daniel Stodden
2010-09-07 1:39 ` blktap lockdep hiccup Jeremy Fitzhardinge
2010-09-07 1:46 ` Daniel Stodden
2010-09-08 2:03 ` [PATCH] blkfront: Move blkif_interrupt into a tasklet Jeremy Fitzhardinge
2010-09-08 2:21 ` Daniel Stodden
2010-09-08 6:37 ` Jeremy Fitzhardinge
2010-09-23 16:08 ` Andrew Jones
2010-09-23 16:23 ` Jeremy Fitzhardinge
2010-09-23 16:38 ` Paolo Bonzini [this message]
2010-09-23 18:36 ` Jeremy Fitzhardinge
2010-09-24 7:14 ` Andrew Jones
2010-09-24 18:50 ` Jeremy Fitzhardinge
2010-09-27 7:41 ` Andrew Jones
2010-09-27 9:46 ` Daniel Stodden
2010-09-27 10:21 ` Andrew Jones
2011-08-16 11:26 ` imammedo
2011-08-16 14:57 ` Konrad Rzeszutek Wilk
2011-08-17 2:38 ` Konrad Rzeszutek Wilk
2011-08-17 7:30 ` Paolo Bonzini
2011-08-17 9:07 ` Igor Mammedov
2011-08-24 15:36 ` Konrad Rzeszutek Wilk
2011-08-24 16:36 ` Igor Mammedov
2011-08-29 19:46 ` Konrad Rzeszutek Wilk
2011-08-31 23:47 ` [PATCH] xen: x86_32: do not enable iterrupts when returning from exception in interrupt context Igor Mammedov
2011-08-31 23:47 ` Igor Mammedov
2011-08-31 22:37 ` Jeremy Fitzhardinge
2011-08-31 22:37 ` Jeremy Fitzhardinge
2011-09-01 8:19 ` Igor Mammedov
2011-09-01 11:46 ` [PATCH v2] " Igor Mammedov
2011-09-01 11:46 ` Igor Mammedov
2011-09-01 15:45 ` Konrad Rzeszutek Wilk
2011-09-01 16:46 ` Jeremy Fitzhardinge
2011-09-02 8:18 ` Igor Mammedov
2011-09-02 13:40 ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-09-02 13:40 ` Konrad Rzeszutek Wilk
2011-09-02 14:01 ` [Xen-devel] " Igor Mammedov
2011-09-02 14:47 ` Konrad Rzeszutek Wilk
2011-09-02 14:47 ` Konrad Rzeszutek Wilk
2011-09-06 9:16 ` [Xen-devel] " Igor Mammedov
2011-09-06 9:16 ` Igor Mammedov
2011-09-02 9:19 ` Igor Mammedov
2011-09-02 10:00 ` Keir Fraser
2010-08-23 21:09 ` Fix the occasional xen-blkfront deadlock, when irqbalancing Jeremy Fitzhardinge
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