Re: SATA ICH6M problems on Sharp M4000
From: Jeff Garzik
Date: Mon Dec 05 2005 - 13:20:04 EST
Sergei Organov wrote:
Sergey Vlasov <vsu@xxxxxxxxxxx> writes:
On Fri, 02 Dec 2005 22:33:57 +0300 Sergei Organov wrote:
Sorry, but provided ata_piix has ignored the optical drive, couldn't
corresponding I/O resource be left free so that subsequently loaded,
say, generic-ide module is able to get over and support the drive?
BTW, loading the modules in reverse order helped on 2.6.13 kernel (that
I'm currently using) as generic-ide didn't recognize the hard-drive at
all allowing ata_piix to get over it later. With 2.6.14 kernel
generic-ide does recognize both hard-drive and optical drive thus
preventing ata_piix from managing the hard-drive :(
See http://lkml.org/lkml/2005/10/18/167 and the reply to it :-\
Well, Jef's answer was:
This is a reasonable point, but the rare person who runs modular IDE on
these PATA/SATA combined mode beasts can certainly tell the IDE driver
to not probe certain ports.
I can say that the kernel I have problem with is from Debian "testing"
distribution so those "rare person" going to become quite a few in the
near future. Besides, Debian loads ata_piix first, then IDE, so telling
the IDE to ignore certain ports won't help.
Though one can argue that that's yet another distribution problem, I
fail to see a way for a distribution to overcome the problem provided it
doesn't know the exact hardware it will run on. No hope for modularized
kernel to run out of the box on given hardware?
Jeff, is there any hope it will be fixed in the kernel.org sources, or
should I report the problem to Debian instead so that they consider
maintaining their own patch?
Debian doesn't need to maintain a patch, they should load modules in the
proper order.
Jeff
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