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Old 11-30-2007, 06:41 PM
"Tom Killian"
 
Default Odd kernel ATA message on F7

> Date: Thu, 7 Jun 2007 23:14:04 +0100
> From: Alan Cox <alan@lxorguk.ukuu.org.uk>
> Subject: Re: Odd kernel ATA message on F7
> To: For users of Fedora <fedora-list@redhat.com>
> Cc: abraxis@telkomsa.net
> Message-ID: <20070607231404.5282f9ec@the-village.bc.nu>
> Content-Type: text/plain; charset=US-ASCII
>
> On Thu, 7 Jun 2007 20:33:34 +0200
> Neil Thompson <abraxis@telkomsa.net> wrote:
>
> > Hi all,
> >
> > I've just seen a message on my logs that I've never seen before -
> >
> > Jun 7 20:24:34 eeyore kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> > Jun 7 20:24:34 eeyore kernel: ata2.00: (BMDMA stat 0x24)
> > Jun 7 20:24:34 eeyore kernel: ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x4a data 8 in
> > Jun 7 20:24:34 eeyore kernel: res 58/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation)
>
> That means the drive and controller ended up disagreeing violently about
> what the controller was up to.
> > Jun 7 20:24:34 eeyore kernel: ata2: soft resetting port
> > Jun 7 20:24:34 eeyore kernel: ata2.00: configured for UDMA/33
> > Jun 7 20:24:34 eeyore kernel: ata2: EH complete
>
> And we reset it.
>
> > Jun 7 20:24:35 eeyore kernel: VFS: busy inodes on changed media.
>
> Odd
>
>
> We've seen some drives have problems with NCQ and do that, you also get
> HSM errors off some emulations (eg in xen it seems) because of emulation
> problems.
>
> Bugzilla it, include dmesg and lspci -vvxxx and assign to alan@redhat.com
> (me) and I'll take a more detailed look

Was there ever any resolution to this? I'm seeing the same problem on
an F7 x86_64 system with a Promise sata controller.

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