linux-kernel - Re: BUG in scsi_lib.c due to a bad commit

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Message-ID: <20141124091835.GA21579@infradead.org>
Date:	Mon, 24 Nov 2014 01:18:35 -0800
From:	Christoph Hellwig <hch@...radead.org>
To:	Barto <mister.freeman@...oste.net>
Cc:	Christoph Hellwig <hch@...radead.org>,
	"Elliott, Robert (Server Storage)" <Elliott@...com>,
	Guenter Roeck <linux@...ck-us.net>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: BUG in scsi_lib.c due to a bad commit

On Thu, Nov 20, 2014 at 07:27:49PM +0100, Barto wrote:
> but the sata DVD burner is now connected on a Jmicron sata PCIe card (
> with this configuration the bug doesn't occur ), I don't know if this
> change can modify the result of your command,
> 
> here is the result of another command :
> 
> $ for i in /sys/class/scsi_host/*; do cat $i/proc_name; done
> pata_jmicron
> pata_jmicron
> ata_piix
> ata_piix
> ata_piix
> ata_piix
> ahci
> ahci

Interesting.  So the jmicron card also has a queue depth of just one,
but the error still occurs?  I've added the linux-ide list, maybe
someone there has an idea how piix vs jmicron could have such different
behaviors for queueing or error handling.

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