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From: Jeff Garzik <jeff@garzik.org>
To: Tejun Heo <htejun@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: hardreset on SERR_INTERNAL
Date: Wed, 14 Mar 2007 05:30:30 -0400	[thread overview]
Message-ID: <45F7C0B6.4010205@garzik.org> (raw)
In-Reply-To: <20070313162051.GH32687@htj.dyndns.org>

Tejun Heo wrote:
> There was a rare report where SB600 reported SERR_INTERNAL and SRST
> couldn't get it out of the failure mode.  Hardreset on SERR_INTERNAL.
> As the problem is intermittent, whether this fixes the problem or not
> hasn't been verified yet, but hardresetting the channel on internal
> error is a good idea anyway.
> 
> Signed-off-by: Tejun Heo <htejun@gmail.com>
> 
> diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
> index 7349c3d..fc11bb3 100644
> --- a/drivers/ata/libata-eh.c
> +++ b/drivers/ata/libata-eh.c
> @@ -1055,7 +1055,7 @@ static void ata_eh_analyze_serror(struct ata_port *ap)
>  	}
>  	if (serror & SERR_INTERNAL) {
>  		err_mask |= AC_ERR_SYSTEM;
> -		action |= ATA_EH_SOFTRESET;
> +		action |= ATA_EH_HARDRESET;

How does this interact with the patch ATI just posted, which prefers to 
treat the SB600 SERR_INTERNAL differently?

	Jeff




  reply	other threads:[~2007-03-14  9:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-13 16:20 [PATCH] libata: hardreset on SERR_INTERNAL Tejun Heo
2007-03-14  9:30 ` Jeff Garzik [this message]
2007-03-14 11:50   ` Tejun Heo
2007-04-04  5:43 ` Jeff Garzik

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