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SubjectRe: libata 2.6.5->2.6.6 regression -part II
Bartlomiej Zolnierkiewicz wrote:
> On Monday 17 of May 2004 18:34, Brad Campbell wrote:
>
>>G'day all,
>>I caught the suggestion on my last post in the archives, but because I'm
>>not subscribed and wasn't cc'd I can't keep it threaded.
>>
>>I tried backing out the suggested acpi patch (No difference at all), and I
>>managed to get apic to work but it still hangs solid in the same place.
>>
>>dmesg attached.
>>
>>I managed to figure out that the VIA ATA driver captures my sata drives on
>>the via ports, explaining why sata_via misses them, but writing data to
>>those drives (hde & hdg) causes dma timeouts and locks the machine. No
>>useful debug info produced. The machine becomes non-responsive, throws a
>>couple of dma timeouts to the console and then loses all interactivity
>>(keyboard, serial, network) forcing a reset push.
>>
>>Is there any way I can prevent the VIA ATA driver capturing this device?
>>Unfortunately my boot drive is on hda on the on-board VIA ATA interface so
>>I need it compiled in.
>
>
> Disable the fscking PCI IDE generic driver.
> [ You are not the first one tricked by it. ]
>
> AFAIR support for VIA 8237 was added to it before sata_via.c was ready.
> [ but my memory is... ]

What would happen if the generic driver was initialized last? That would
let other more specific drivers grab devices first. The model which
comes to mind is a route table, smallest subnet (or in this case most
specific) being used first. Or would that open a whole other nest of snakes?

--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
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