[driver-discuss] Re: difficulty using both channels of HPT370 on Abit TS20

[Jürgen Keil]

> I have a system with 4 IDE controllers,
> 2 are handled on the motherboard and the other 2 are
> on a HPT370 which is integrated into the motherboard.

> I booted my system in a reconfigure boot with -B
> pci-ide="pci1103,4", and the system was able to
> detect both controllers. The drives appear to work
> fine as long as I am only utilizing a single channel
> on the HPT. However, if I connect a drive to both
> channels, when the system hangs after printing this:
> 
> Dec 20 09:05:04 nas pci_pci: [ID 370704 kern.notice]
> PCI-device: ide at 0, ata2
> Dec 20 09:05:04 nas genunix: [ID 936769 kern.notice]
> ata2 is /pci at 0,0/pci8086,244e at 1e/pci-ide at 2/ide at 0
> 
> Interestingly as well, when the hang occurs, the
> drive on the opposite channel's LED stays on
> constant. Since these are hot-plug drives, I can
> resume control of the system by ejecting the drive
> with the LED on. My first thought was that this was
> some sort of IRQ problem, the HPT is on IRQ 11 which
> is shared with a NIC that is not currently being
> used. 

Hmm, maybe this is bug 6414472,
"ata-x86: lockup in ata_id_common(), when using shared pci interrupts" ?

http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6414472
 
 
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