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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "Christopher S. Aker" <caker@theshore.net>
Cc: virtualization@lists.linux-foundation.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Xen-devel <xen-devel@lists.xensource.com>
Subject: Re: Xen paravirt frontend block hang
Date: Sun, 02 Mar 2008 07:35:13 -0800	[thread overview]
Message-ID: <47CAC931.1000107@goop.org> (raw)
In-Reply-To: <47C9F818.4020200@theshore.net>

Christopher S. Aker wrote:
> Jeremy Fitzhardinge wrote:
>> I've been running this all night without seeing any problem.  I'm 
>> using current x86.git#testing with a few local patches, but nothing 
>> especially relevent-looking.
>
> Meh .. what backend are you using?  We're using LVM volumes exported 
> directly into the domUs like so:
>
> disk =[ 'phy:vg1/xencaker-56392,xvda,w', ... ]
>
>> Could you try the attached patch to see if it makes any difference?
>
> Unfortunately we're still in the same place... pv_ops kernels are 
> still hanging after heavy disk IO:
>
> works - 2.6.18.x (from xen-unstable)
> hangs - 2.6.25-rc3-git3
> hangs - 2.6.25-rc3-git3 + your patch
>
> Any other suggestions or debugging I can provide that would be useful 
> to squash this? 

Are you running an SMP or UP domain?  I found I could get hangs very 
easily with UP (but I need confirm it isn't a result of some other very 
experimental patches).

    J

  reply	other threads:[~2008-03-02 15:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4772AC8E.7010007@theshore.net>
2008-02-28 20:00 ` Jeremy Fitzhardinge
2008-03-02  0:43   ` Christopher S. Aker
2008-03-02 15:35     ` Jeremy Fitzhardinge [this message]
2008-03-02 16:03       ` Christopher S. Aker
2008-03-18 16:01         ` [Xen-devel] " Jeremy Fitzhardinge
2008-03-25  1:37           ` Christopher S. Aker
     [not found] ` <47758352.5040504@goop.org>
     [not found]   ` <479E71B7.7060207@theshore.net>
     [not found]     ` <479E75E3.6030601@goop.org>
     [not found]       ` <479E7BA4.5050306@theshore.net>
     [not found]         ` <519a8b110802060437k70c099b7y7faefe63dd82039@mail.gmail.com>
     [not found]           ` <47AA845E.8020708@goop.org>
     [not found]             ` <519a8b110802070612j2a1717f3s6aa25eeea8b7d18a@mail.gmail.com>
2008-02-28 20:03               ` Jeremy Fitzhardinge

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