linux-kernel - Re: Problem with ata layer in 2.6.24

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Date:	Mon, 28 Jan 2008 19:31:42 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Gene Heskett <gene.heskett@...il.com>
Cc:	Mark Lord <liml@....ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Problem with ata layer in 2.6.24

Gene Heskett wrote:
> On Monday 28 January 2008, Robert Hancock wrote:
>> Gene Heskett wrote:
>>> And so far no one has tried to comment on those 2 dmesg lines I've quoted
>>> a couple of times now, here's another:
>>> [    0.000000] Nvidia board detected. Ignoring ACPI timer override.
>>> [    0.000000] If you got timer trouble try acpi_use_timer_override
>>> what the heck is that trying to tell me to do, in some sort of broken
>>> english?
>> A lot of NVIDIA-chipset motherboards have BIOS problems where they
>> include an incorrect ACPI interrupt override for the timer interrupt,
>> which tends to cause the system to fail to boot due to the timer
>> interrupt not working. The kernel normally ignores ACPI interrupt
>> overrides on the timer interrupt for NVIDIA chipsets for this reason.
>> Unfortunately on some such boards the override is actually correct and
>> needed, and so this actually causes problems. Hence the
>> acpi_use_timer_override option.
>>
>> In any case this is unlikely to have anything to do with your problem,
>> since if that was messed up you likely would never have even booted.
>> --
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> 
> In this case, there seems to be a buglet.  I turned on the nvidia/amd drives 
> under the ATA section of the menu, and turned off the pata_amd under the sata 
> menu in xconfig.
> 
> But I've tried twice now and it fails to build the initrd because the pata_amd 
> module is on the missing list.  Of course its missing, I didn't have it 
> built...
> 
> Next?

Check the /etc/modprobe.conf file, a lot of distributions use this to 
generate the initrd. If there's references to pata_amd it'll try and 
include it.
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