linux-kernel - Re: [BISECTED] pata_jmicron: no drives found on post 2.6.25 kernels

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Message-ID: <20080520141302.GB20794@devserv.devel.redhat.com>
Date:	Tue, 20 May 2008 10:13:02 -0400
From:	Alan Cox <alan@...hat.com>
To:	Plamen Petrov <pvp-lsts@...ru.acad.bg>
Cc:	linux-kernel@...r.kernel.org,
	"Luca Tettamanti <kronos.it@...il.com>; Tejun Heo <htejun@...il.com>;
	Jeff Garzik <jeff@...zik.org>; Alan Cox <alan@...hat.com>; Shaohua Li
	<shaohua.li@...el.com>; Greg Kroah-Hartman" <gregkh@...e.de>
Subject: Re: [BISECTED] pata_jmicron: no drives found on post 2.6.25 kernels

On Tue, May 20, 2008 at 01:37:14AM +0300, Plamen Petrov wrote:
> git bisect revealed that commit
> 7d715a6c1ae5785d00fb9a876b5abdfc43abc44b
> is the one causing pata_jmicron to fail to detect drives,
> connected to the JMicron controler on my motherboard.
> At least in my case, anyway...
> Changing kernel config to CONFIG_PCIEASPM=n makes the drives
> attached to the JMicron SATA/PATA controller usable again. 

The PCIE ASM stuff is experimental and for good reason it appears.

Not an ATA layer bug - a PCIE one so once the PCIE folks fix their stuff
hopefully it'll magically start working.

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