linux-kernel - Re: 2.6.24 regression w/ QLA2300

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Message-ID: <20080205160246.GF19882@plap3.qlogic.org>
Date:	Tue, 5 Feb 2008 08:02:46 -0800
From:	Andrew Vasquez <andrew.vasquez@...gic.com>
To:	"Alan D. Brunelle" <Alan.Brunelle@...com>
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-driver@...gic.com
Subject: Re: 2.6.24 regression w/ QLA2300

On Tue, 05 Feb 2008, Alan D. Brunelle wrote:

> commit 9b73e76f3cf63379dcf45fcd4f112f5812418d0a
> Merge: 50d9a12... 23c3e29...
> Author: Linus Torvalds <torvalds@...ux-foundation.org>
> Date:   Fri Jan 25 17:19:08 2008 -0800
> 
>     Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
> 
>     * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (200 commits)
> 
> I believe a regression was introduced. I'm running on a 4-way IA64,
> with straight 2.6.24 and 2 dual-port cards:
> 
> 40:01.0 Fibre Channel: QLogic Corp. QLA2312 Fibre Channel Adapter (rev 03)
> 40:01.1 Fibre Channel: QLogic Corp. QLA2312 Fibre Channel Adapter (rev 03)
> c0:01.0 Fibre Channel: QLogic Corp. QLA2312 Fibre Channel Adapter (rev 03)
> c0:01.1 Fibre Channel: QLogic Corp. QLA2312 Fibre Channel Adapter (rev 03)
> 
> the adapters failed initialization. In particular, I narrowed it down
> to failing the qla2x00_mbox_command call within qla2x00_init_firmware
> function. I went and removed the qla2x00-related parts of this (large-ish)
> merge, and the 4 ports initialized just fine.

Could you load the (default 2.6.24) driver with
ql2xextended_error_logging modules parameter set:

	# insmod qla2xxx ql2xextended_error_logging=1

and send the resultant kernel logs?

> Specifically, reverting the "patch" below enabled the devices to initialize properly.
> 
> If need be, I'm certainly willing to help narrow down to the specific part in
> this patch...

That's a rather large patch... :(   Any chance you could git-bisect?
Also, could you send your .config file you are using?

Thanks,
Andrew Vasquez
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