From: Tejun Heo <htejun@gmail.com>
To: Chuck Ebbert <cebbert@redhat.com>
Cc: IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: Another SATA device with spurious NCQ completions
Date: Tue, 03 Jul 2007 16:42:30 +0900 [thread overview]
Message-ID: <4689FDE6.2080806@gmail.com> (raw)
In-Reply-To: <46800AD3.7050803@redhat.com>
Chuck Ebbert wrote:
> From:
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=245512
>
>
> The following error consistently appears at apparently random intervals in syslog:
>
> kernel: ata1.00: exception Emask 0x2 SAct 0x1001 SErr 0x0 action 0x2 frozen
> kernel: ata1.00: (spurious completions during NCQ issue=0x0 SAct=0x1001
> FIS=004040a1:00000800)
> kernel: ata1.00: cmd 61/08:00:39:2b:cc/00:00:08:00:00/40 tag 0 cdb 0x0 data 4096 out
> kernel: res 40/00:00:39:2b:cc/00:00:08:00:00/40 Emask 0x2 (HSM violation)
> kernel: ata1.00: cmd 61/08:60:e1:2b:cc/00:00:08:00:00/40 tag 12 cdb 0x0 data
> 4096 out
> kernel: res 40/00:00:39:2b:cc/00:00:08:00:00/40 Emask 0x2 (HSM violation)
>
> Controller is ATI SB600 using the AHCI driver.
> 64-bit DMA is disabled.
> Disk is:
> ata1.00: ATA-7: ST3160812AS, 3.ADJ, max UDMA/133
>
>
> Can't we just turn off NCQ automatically when this happens?
After sever such occasions, NCQ will be turned off automatically.
Hmm... It's a bit surprising to see this on a Seagate drive tho. Can
someone crosscheck this by attaching the drive to an intel ahci?
--
tejun
next prev parent reply other threads:[~2007-07-03 7:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-25 18:34 Another SATA device with spurious NCQ completions Chuck Ebbert
2007-07-03 7:42 ` Tejun Heo [this message]
2007-07-03 12:41 ` Krzysztof Oledzki
2007-07-04 4:39 ` Tejun Heo
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