From: Avi Kivity <avi@qumranet.com>
To: Beth Kon <eak@us.ibm.com>
Cc: kvm@vger.kernel.org
Subject: Re: ata exception messages
Date: Wed, 04 Jun 2008 15:38:39 +0300 [thread overview]
Message-ID: <48468CCF.8070805@qumranet.com> (raw)
In-Reply-To: <1212582914.6885.20.camel@beth-ubuntu>
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.
>
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.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2008-06-04 12:38 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 [this message]
2008-06-04 13:57 ` Beth Kon
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