From: Tejun Heo <htejun@gmail.com>
To: Dario Oliva <DOliva@ARCOIDE.COM>
Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org
Subject: Re: Infinite loop on MODE-SENSE with a removable ATAPI sata device on VIA chipset
Date: Tue, 09 May 2006 08:12:30 +0900 [thread overview]
Message-ID: <445FD05E.7050104@gmail.com> (raw)
In-Reply-To: <E656D53DA4B96C409683999F573A360723E4B4@sbs.ARCO.local>
Dario Oliva wrote:
> Hello Mr. Garzik:
>
> We have a removable, ATAPI, SATA device and we are having the following
> problem with Linux (kernel version 2.6.15.6). The device recieves a MODE
> SENSE command. After receiving this command, it is supposed to receive a
> 12-byte packet command, which it recieves. Afterwards there is supposed
> to be an IRQ, and then the data is read from the device. However, in one
> computer we have with a VIA chipset, the device keeps getting zeroes
> without stopping. In other words, it gets the 12-bytes and the continues
> to recive bytes all of which are zero. The device never gets the IRQ,
> therefore it does not respond.
>
> Any ideas on this?
>
> Thanks in advance for any help.
Please post what kind of ATAPI device you are using and the kernel log.
If possible, please change #undef ATA_DEBUG in include/linux/libata.h
to #define ATA_DEBUG prior to generate the kernel log.
--
tejun
next prev parent reply other threads:[~2006-05-08 23:12 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-08 13:28 Infinite loop on MODE-SENSE with a removable ATAPI sata device on VIA chipset Dario Oliva
2006-05-08 23:12 ` Tejun Heo [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-05-10 14:51 Dario Oliva
2006-05-10 14:59 ` Tejun Heo
2006-05-11 7:20 ` Albert Lee
2006-05-12 14:43 ` Dario Oliva
2006-06-12 21:12 ` Dario Oliva
2006-06-14 2:22 ` Albert Lee
2006-06-14 21:30 ` Dario Oliva
2006-06-20 12:18 ` Albert Lee
2006-05-10 15:07 Dario Oliva
2006-05-10 15:25 ` Tejun Heo
2006-05-10 15:26 ` Tejun Heo
2006-05-11 1:57 ` Albert Lee
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