From: Robert Hancock <hancockrwd@gmail.com>
To: tfjellstrom@shaw.ca
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: buffer io error on device sr0?
Date: Tue, 13 Oct 2009 18:37:19 -0600 [thread overview]
Message-ID: <4AD51D3F.2030603@gmail.com> (raw)
In-Reply-To: <200910130343.32162.tfjellstrom@shaw.ca>
On 10/13/2009 03:43 AM, Thomas Fjellstrom wrote:
> I'm not sure which version it started, but it seems at least 2.6.32-rc3-git2
> has issues with detecting blank DVDR disks.
>
> [220595.198654] cdrom: This disc doesn't have any tracks I recognize!
> [220595.298488] sr 3:0:0:0: [sr0] Unhandled sense code
> [220595.298492] sr 3:0:0:0: [sr0] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
> [220595.298496] sr 3:0:0:0: [sr0] Sense Key : Blank Check [current]
> [220595.298501] sr 3:0:0:0: [sr0] Add. Sense: No additional sense information
> [220595.298505] sr 3:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
> [220595.298514] end_request: I/O error, dev sr0, sector 0
> [220595.298518] Buffer I/O error on device sr0, logical block 0
> [220595.304554] sr 3:0:0:0: [sr0] Unhandled sense code
> [220595.304562] sr 3:0:0:0: [sr0] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
> [220595.304570] sr 3:0:0:0: [sr0] Sense Key : Blank Check [current]
> [220595.304579] sr 3:0:0:0: [sr0] Add. Sense: No additional sense information
> [220595.304588] sr 3:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
> [220595.304609] end_request: I/O error, dev sr0, sector 0
> [220595.304616] Buffer I/O error on device sr0, logical block 0
>
> Unless its supposed to be this way. Although I didn't receive any kind of
> notification when inserting the disk, as I used to (could be a hal/kde error,
> but the logs in dmesg seem to hint otherwise).
Something tried to read off the disk and the drive reported "no way,
it's blank". That's all this indicates. Most likely HAL or something is
doing the read..
next prev parent reply other threads:[~2009-10-14 0:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-13 9:43 buffer io error on device sr0? Thomas Fjellstrom
2009-10-14 0:37 ` Robert Hancock [this message]
2009-10-14 2:06 ` Thomas Fjellstrom
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