linux-kernel - Re: kernel 2.6.25 with ide driver cs5520 does not boot.

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Message-Id: <20080509.215601.208967867.takada@mbf.nifty.com>
Date:	Fri, 09 May 2008 21:56:01 +0900 (JST)
From:	TAKADA Yoshihito <takada@....nifty.com>
To:	bzolnier@...il.com
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: kernel 2.6.25 with ide driver cs5520 does not boot.

Hi.

From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: Re: kernel 2.6.25 with ide driver cs5520 does not boot.
Date: Fri, 9 May 2008 11:27:53 +0200

> On Friday 09 May 2008, TAKADA Yoshihito wrote:
> > Thanks for quick reply.
> > 
> > I tried 2.6.26rc1. It hangs same as 2.6.25.
> > kernel 2.6.26rc1 with cs5520 cannot boot. cs5520 scans ide0 and ide1.
> > It seems 2nd port DMA base issue was solved.
> 
> [...]
> 
> Thanks.
> 
> The following patch for 2.6.26-rc1 disables VDMA, please give it a try
> (I haven't time to fully audit VDMA support yet but lets see if it is
> the main source of the problems).

I applied the patch. But kernel was hung.
And I attempt to kill IDE_HFLAG_CS5520. It cannot boot, oo.

  kill IDE_HFLAG_VDMA  : hang  
  kill IDE_HFLAG_CS5520: hang
  kill both flags      : boot

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