From: Christoph Hellwig <hch@infradead.org>
To: Barto <mister.freeman@laposte.net>
Cc: Christoph Hellwig <hch@infradead.org>,
"Elliott, Robert (Server Storage)" <Elliott@hp.com>,
Guenter Roeck <linux@roeck-us.net>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: BUG in scsi_lib.c due to a bad commit
Date: Thu, 20 Nov 2014 09:53:16 -0800 [thread overview]
Message-ID: <20141120175316.GA19590@infradead.org> (raw)
In-Reply-To: <546E2880.5070303@laposte.net>
On Thu, Nov 20, 2014 at 06:44:32PM +0100, Barto wrote:
> I notice that my motherboard doesn't support "AHCI" mode, my motherboard
> uses an ICH7 sata controler, ICH7 doesn't support AHCI if I check the
> technical specifications of this controler,
>
> it seems that my bios treats SATA devices like IDE devices ( IDE
> emulation mode ), for example I can read in the bios these lines "IDE 0
> channel master : "the name of Sata harddisk 1", "IDE 3 channel master :
> "the name of Sata harddisk 2",
>
> perhaps the bug only occurs when the AHCI mode is not used ?
Looks like it. I suspect you device only supports a single outstanding
command without AHCI, can you confirm this by doing:
for i in /sys/class/scsi_host/*; do cat $i/can_queue; done
next prev parent reply other threads:[~2014-11-20 17:53 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-20 6:09 BUG in scsi_lib.c due to a bad commit Christoph Hellwig
2014-11-20 17:44 ` Barto
2014-11-20 17:53 ` Christoph Hellwig [this message]
2014-11-20 18:27 ` Barto
2014-11-24 9:18 ` Christoph Hellwig
2014-11-24 15:12 ` Barto
-- strict thread matches above, loose matches on Subject: below --
2014-11-11 23:33 Barto
2014-11-12 0:17 ` Bjorn Helgaas
2014-11-12 2:53 ` Guenter Roeck
2014-11-13 3:28 ` Barto
2014-11-13 5:33 ` Elliott, Robert (Server Storage)
2014-11-13 5:33 ` Elliott, Robert (Server Storage)
2014-11-13 9:38 ` Barto
2014-11-13 14:29 ` Christoph Hellwig
2014-11-13 15:13 ` Barto
2014-11-13 17:14 ` Barto
2014-11-13 17:54 ` Christoph Hellwig
2014-11-13 22:55 ` Barto
2014-11-14 7:32 ` Christoph Hellwig
2014-11-14 16:30 ` Barto
2014-11-16 18:30 ` Barto
2014-11-19 20:21 ` Barto
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