From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: "Raoul Bhatia [IPAX]" <r.bhatia@ipax.at>
Cc: linux-scsi@vger.kernel.org
Subject: Re: Add more debug output to sas_scsi_recover_host or sas_eh_handle_sas_errors
Date: Mon, 07 Apr 2008 09:36:14 -0500 [thread overview]
Message-ID: <1207578974.3838.4.camel@localhost.localdomain> (raw)
In-Reply-To: <47FA2E1B.6020709@ipax.at>
On Mon, 2008-04-07 at 16:22 +0200, Raoul Bhatia [IPAX] wrote:
> is there any sens in adding more debug output to sas_scsi_recover_host
> or sas_eh_handle_sas_errors?
>
> e.g. put out SAS_ADDR(task->dev->sas_addr) so that we know whether
> the error is always occuring on one phy/port/etc. ?
>
> the reason for doing this is basically my problems with the aic94xx
> driver, outlined in http://marc.info/?t=120603924200004.
Probably not really ... it looks like a standard protocol error thrown
by a Seagate driver, as I said.
Did reducing the queue depth and increasing the retries have any
mitigating effect at all?
The correct fix, which is to handle the REQ_TASK_ABORT on the fly is
still in the works.
James
next prev parent reply other threads:[~2008-04-07 14:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-07 14:22 Add more debug output to sas_scsi_recover_host or sas_eh_handle_sas_errors Raoul Bhatia [IPAX]
2008-04-07 14:36 ` James Bottomley [this message]
2008-04-07 15:16 ` Raoul Bhatia [IPAX]
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