linux-kernel - RE: [PATCH 1/9] [SCSI] mvsas: Add support for Non specific NCQ error interrupt

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Message-ID: <F766E4F80769BD478052FB6533FA745D19FAD8493E@SC-VEXCH4.marvell.com>
Date:	Thu, 26 May 2011 22:53:39 -0700
From:	Xiangliang Yu <yuxiangl@...vell.com>
To:	"thomas@...llstrom.ca" <thomas@...llstrom.ca>,
	"yxlraid@...il.com" <yxlraid@...il.com>
CC:	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jacky Feng <jfeng@...vell.com>
Subject: RE: [PATCH 1/9] [SCSI] mvsas: Add support for Non specific NCQ
 error interrupt

>> From: Xiangliang Yu <yuxiangl@...vell.com>
>> 
>> -- Add support for Non specific NCQ error interrupt.
>> 

>I apologize if this has been covered, but do these changes or the ones made a
>month ago fix the issues people have been having with the mvsas driver on 64xx
>based cards like my AOC-SASLP-MV8 (based on a MV64460/64461/64462 Rev B)?

>I have a relatively recent 2.6.38 kernel running the box with the mvsas
>controller (with 7 SATA drives). I've noticed it doesn't panic when plugging
>in a drive which is nice, but I don't have the courage to attempt a hot
>unplug. I am still getting a significant number of device reset and libata
>invalid sector 0 errors.

>Example of such errors:

>[394488.800081] >/build/buildd-linux-2.6_2.6.38-4-amd64-eEW_ml/linux-2.6-2.6.38/debian/build>/source_amd64_none/drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
>[394491.008046] /build/buildd-linux-2.6_2.6.38-4-amd64-eEW_ml/linux-2.6-2.6.38/debian/build/>source_amd64_none/drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for >device[3]:rc= 0
>[394491.008070] ata12: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ >0xb/00/00
>[394491.008519] ata12.00: device reported invalid CHS sector 0
>[394491.008526] ata12: status=0x01 { Error }
>[394491.008532] ata12: error=0x04 { DriveStatusError }

>I get at least 10 of those a day. (it is better than it was)

It need libsas SATA NCQ error handler, and I have committed a patch. The patch is: http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=commit;h=bb650a1bef73a8c1fd076fae4c4f0701cf3b5f25
Please wait it to apply to kernel, and try again. Thanks!
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