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From: Randy Dunlap on 23 Mar 2010 12:20
[adding linux-ide mailing list]

On Tue, 23 Mar 2010 02:01:30 -0600 Mike Hayward wrote:

> Three identical known good opteron systems can no longer boot freshly
> installed distros from an ide hard drive. The systems have one ide
> drive and eight sata drives. If distro is installed to ide drive,
> Ubuntu 9.10 server moves cursor down the screen twice, then hangs
> while Fedora 12 grub loads but then claims it can't find root to mount
> and it and hangs 'forever'. Numerous distros have all booted fine
> before 2.6.25... I don't know where it went wrong between 25 and 31.
>
> This is despite partitioning with and without lvm, despite making sure
> kernel/boot loader are in partition in first 2 gigs of ide drive.
>
> Both distros boot just fine on each system when os is installed on a
> sata drive so this isn't a hardware defect.
>
> Distro that boots fine from ide:
> Linux opt1 2.6.25-14.fc9.x86_64 #1 SMP Thu May 1 06:06:21 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux
>
> Distros that no longer boot via ide drive:
> Linux opt2 2.6.31-14-server #48-Ubuntu SMP Fri Oct 16 15:07:34 UTC 2009 x86_64 GNU/Linux
> Linux opt3 2.6.31.5-127.fc12.x86_64 #1 SMP Sat Nov 7 21:11:14 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
>
> Maybe this can be worked around with some options to grub or
> kernel... if so, shouldn't distros detect that ide drives are being
> set up and configure the boot loader properly? It would be very hard
> for newbie to figure this one out.
>
> Has anyone else seen this, or am I the only one who boots from ide
> when a sata drive is present? :-)
>
> - Mike


---
~Randy
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