From: Beth Kon <eak@us.ibm.com>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm@vger.kernel.org
Subject: Re: ata exception messages
Date: Wed, 04 Jun 2008 09:57:57 -0400 [thread overview]
Message-ID: <1212587877.6885.24.camel@beth-ubuntu> (raw)
In-Reply-To: <48468CCF.8070805@qumranet.com>
On Wed, 2008-06-04 at 15:38 +0300, Avi Kivity wrote:
> Beth Kon wrote:
> > On Tue, 2008-06-03 at 10:49 -0400, Beth Kon wrote:
> >
> >> I'm running an Ubuntu 7.10 guest on a kvm git build (commit
> >> 3125ffd6edb9384b3e418fc08fea99e7e1548a96) and am seeing repeated
> >> messages like:
> >>
> >> [3393.124685] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2
> >> frozen
> >> [3393.127599] ata1.00: cmd ca/00:30:af:c1:48/00:00:00:00:00/e0 tag 0 cdb
> >> 0x0 data 4096 out
> >>
> >> I see that they're coming from ata_eh_link_report in
> >> drivers/ata/libata-eh.c but am not familiar enough with this code to
> >> understand what the problem is.
> >>
> >> Does anyone have any idea what might be causing this?
> >>
> >>
> > I discovered that these messages were associated with my disk image being NFS
> > mounted.
Yes, the network has been misbehaving lately, so could be causing
timeouts.
>
> Interesting. Is it an exceptionally slow server (or perhaps, on a lossy
> network)?
>
> I can see how timeouts can annoy the ide driver, but I've never seen
> this myself.
>
--
Elizabeth Kon (Beth)
IBM Linux Technology Center
Open Hypervisor Team
email: eak@us.ibm.com
prev parent reply other threads:[~2008-06-04 13:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-03 14:49 ata exception messages Beth Kon
2008-06-04 12:35 ` Beth Kon
2008-06-04 12:38 ` Avi Kivity
2008-06-04 13:57 ` Beth Kon [this message]
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