linux-kernel - Re: SATA/IDE Dual Mode w/Intel 945 Chipset or HOW TO LIQUIFY a flash IDE chip under 2.6.18

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Message-ID: <45A40B83.2060009@foo-projects.org>
Date:	Tue, 09 Jan 2007 13:39:15 -0800
From:	Auke Kok <sofar@...-projects.org>
To:	"Jeff V. Merkey" <jmerkey@...fmountaingroup.com>
CC:	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: SATA/IDE Dual Mode w/Intel 945 Chipset or HOW TO LIQUIFY a flash
 IDE chip under 2.6.18

Jeff V. Merkey wrote:
> Jeff V. Merkey wrote:
> 
> root=/dev/hda2 is what was passed to the kernel from grub.
> 
> Jeff
> 
>>
>> I just finished pulling out a melted IDE flash drive out of a Shuttle 
>> motherboard with the intel 945 chipset which claims to support
>> SATA and IDE drives concurrently under Linux 2.6.18.
>>
>> The chip worked for about 30 seconds before liquifying in the 
>> chassis.  I note that the 945 chipset in the shuttle PC had some serious
>> issues recognizing 2 x SATA devices and a IDE device concurrently.   
>> Are there known problems with the Linux drivers
>> with these newer chipsets.
>>
>> One other disturbing issue was the IDE flash drive was configured (and 
>> recognized) as /dev/hda during bootup, but when
>> it got to the root mountint, even with root=/dev/hda set, it still 
>> kept thinking the drive was at scsi (ATA) device (08,13)
>> and kept crashing with VFS cannot find root FS errors.

it sounds like someone switched the BIOS IDE setting from ide-compatible/legacy to AHCI 
or similar, a not uncommon option in the sata controllers on those boards.

None of that would explain the melting of anything of course.

Cheers,

Auke
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