linux-kernel - Re: 2.6.24.X: SATA/AHCI related boot delay.

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Message-ID: <48000FF8.300@gmail.com>
Date:	Sat, 12 Apr 2008 10:27:20 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Volker Armin Hemmann <volker.armin.hemmann@...clausthal.de>
CC:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	Peer Chen <pchen@...dia.com>, Kuan Luo <kluo@...dia.com>
Subject: Re: 2.6.24.X: SATA/AHCI related boot delay. - not with 2.6.24.3

Volker Armin Hemmann wrote:
> Hi,
> 
>> Aiee.... Can you please try 2.6.25-rc8 with both configurations?  And
>> w/o systemrescuecd?  Just seeing whether things mount properly or not is
>> good enough.  There isn't much risk of losing data.
> 
> 2.6.25-rc8 is a 'no change'. AHCI+pci=nomsi boots, AHCI without hangs.
> with AHCI I also get this:
> 
> [    0.363828] ------------[ cut here ]------------
> [    0.363828] WARNING: at drivers/ata/ahci.c:645 ahci_init_one+0x190/0xa3a()
> [    0.363828] Modules linked in:
> [    0.363828] Pid: 1, comm: swapper Not tainted 2.6.25-rc8 #2

Heh.. that's AHCI_EN not getting set.  Peer, any ideas?  The driver set 
AHCI_EN in the HOST_CTL register but on reading back it's still clear.

Thanks.

-- 
tejun
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