From: Mike Christie <michaelc@cs.wisc.edu>
To: Kai Makisara <Kai.Makisara@kolumbus.fi>
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH 4/5] convert st to use scsi_execte_async
Date: Thu, 22 Sep 2005 22:20:12 -0500 [thread overview]
Message-ID: <4333746C.2030704@cs.wisc.edu> (raw)
In-Reply-To: <Pine.LNX.4.61.0509222309390.6022@kai.makisara.local>
Kai Makisara wrote:
> On Tue, 20 Sep 2005, Kai Makisara wrote:
>
> ...
>
>>If I try 5121 kB, write fails as is expected but not completely nicely.
>>Here are some test printks:
>>
>>scsi_req_map_sg: q->back_merge failed, i=10
>>st 1:0:5:0: extraneous data discarded.
>>st 1:0:5:0: COMMAND FAILED (87 0 1).
>>sym: cmd: 0x0a 0x00 0x50 0x04 0x00 0x00
>>st: cmd=0x0a result=0x70000 resid=0 sense[0]=0x00 sense[2]=0x00
>>
>>scsi_req_map_sg fails as it should but still a bogus SCSI command is sent.
>>I think the reason for this is simple but I don't want to delay the good
>>news by trying to debug this.
>>
>
> The reason was simple: scsi_req_map_sg did not set err when q->back_merge
> failed. The patch at the end fixes the problem (I am not sure what would
> be the correct error code).
yeah :) thanks.
next prev parent reply other threads:[~2005-09-23 3:20 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-16 4:39 [PATCH 4/5] convert st to use scsi_execte_async Mike Christie
2005-09-17 11:57 ` Kai Makisara
2005-09-17 15:43 ` Mike Christie
2005-09-17 15:55 ` Mike Christie
2005-09-17 16:25 ` Mike Christie
2005-09-18 12:01 ` Kai Makisara
2005-09-18 15:03 ` Mike Christie
2005-09-18 15:17 ` Mike Christie
2005-09-18 17:40 ` Kai Makisara
2005-09-18 15:46 ` Mike Christie
2005-09-18 16:13 ` Mike Christie
2005-09-18 16:08 ` Mike Christie
2005-09-18 16:36 ` Mike Christie
2005-09-18 16:38 ` Mike Christie
2005-09-18 19:03 ` Kai Makisara
2005-09-18 17:01 ` Mike Christie
2005-09-19 18:39 ` Kai Makisara
2005-09-19 19:22 ` Mike Christie
2005-09-20 19:23 ` Kai Makisara
2005-09-20 19:55 ` Mike Christie
2005-09-20 20:20 ` James Bottomley
2005-09-20 21:17 ` Kai Makisara
2005-09-20 22:39 ` Douglas Gilbert
2005-09-22 20:12 ` Kai Makisara
2005-09-23 3:20 ` Mike Christie [this message]
2005-09-17 15:57 ` Kai Makisara
2005-09-17 16:48 ` Kai Makisara
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