[email protected] wrote:
I managed to get a serial cable. Now follows the dmesg, from where libata
starts until it dies.
ata1: SATA max UDMA/100 cmd 0xF881E080 ctl 0xF881E08A bmdma 0xF881E000 irq 11
ata2: SATA max UDMA/100 cmd 0xF881E0C0 ctl 0xF881E0CA bmdma 0xF881E008 irq 11
ata1: dev 0 ATA, max UDMA/133, 234441648 sectors: lba48
ata1(0): applying Seagate errata fix
ata1: dev 0 configured for UDMA/100
scsi0 : sata_sil
irq 11: nobody cared (try booting with the "irqpoll" option)
This one is related to libata. Known problem:
http://bugzilla.kernel.org/show_bug.cgi?id=3880
Silicon Image 311x throws interrupts after we told the hardware to
disable interrupts, but only for a few certain devices and/or PATA
bridges. I only have theories as to the solution.
I made a failed attempt to solve it here:
http://search.luky.org/linux-kernel.2005/msg14830.html
This patch from Albert Lee might solve it, but the patch itself needs
bug fixes:
http://marc.theaimsgroup.com/?t=112628285200005&r=1&w=2
Also, defining ATA_IRQ_TRAP in include/linux/libata.h may work around
the problem.
Plenty more info available on request. Nothing changed in this area
with regards to 2.6.12/2.6.13, so I presume that ACPI has simply exposed
the existing problem for you. :(
Jeff
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