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From: Florian Westphal <fw@strlen.de>
To: linux-scsi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, martin.petersen@oracle.com,
	axboe@kernel.dk
Subject: "WRITE SAME failed. Manually zeroing" with 3w-xxxx driver
Date: Mon, 29 Apr 2013 17:26:39 +0200	[thread overview]
Message-ID: <20130429152639.GG32324@breakpoint.cc> (raw)

After update to 3.8 dmesg is spammed with:

kernel: [ 280.272094] 3w-xxxx: scsi8: Unknown scsi opcode: 0x41
kernel: [ 280.272107] sd 8:0:0:0: [sda] Unhandled error code
kernel: [ 280.272110] sd 8:0:0:0: [sda]
kernel: [ 280.272112] Result: hostbyte=0x04 driverbyte=0x00
kernel: [ 280.272114] sd 8:0:0:0: [sda] CDB:
kernel: [ 280.272116] cdb[0]=0x41: 41 00 10 09 aa 22 00 00 08 00
kernel: [ 280.272123] end_request: I/O error, dev sda, sector 269068834
kernel: [ 280.272130] sda6: WRITE SAME failed. Manually zeroing.
[..]

This goes on and on.

I am not familiar with block layer or scsi drivers, so I don't know if this
is an issue with the 3w-xxxx driver or the block layer.

I've hacked around this by reverting "block: Make blkdev_issue_zeroout use WRITE SAME"
(579e8f3c7b2ecf7db91398d942d76457a3ddba21), as this hw doesn't support
write_same anyway.

             reply	other threads:[~2013-04-29 15:26 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-29 15:26 Florian Westphal [this message]
2013-04-29 16:13 ` "WRITE SAME failed. Manually zeroing" with 3w-xxxx driver Martin K. Petersen
2013-04-29 16:29   ` Florian Westphal
2013-04-30  7:36   ` Florian Westphal
2013-05-21 20:04   ` adam radford

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