Re: sata_mv: module reloading doesn't work

[Dan Aloni]

On Mon, Apr 03, 2006 at 10:47:07PM -0400, Mark Lord wrote:
> Dan Aloni wrote:
> >
> > * Normal boot
> > * insmod sata_mv
> > * all is okay, as expected
> > * rmmod sata_mv
> > * insmod sata_mv 
> > * all is bad, as expected
> > * kexec
> > * insmod sata_mv
> > * all is bad!
> >
> >Conclusion: sata_mv's shutdown does something bad.
> 
> sata_mv seems to just use the default libata shutdown sequence,
> so perhaps it's leaving the device in EDMA mode with interrupt
> coalescing still on (from the BIOS), and interrupts are still
> coming in or something..
> 
> I suppose it really ought to shut down the device before exiting,
> and maybe the default of pci_disable_device() is not enough.. ?

BTW, can you tell what firmware version are you using? I'm 
using rev 9, perhaps it also plays some role in this problem.

-- 
Dan Aloni, Linux specialist
XIV LTD, http://www.xivstorage.com
da-x@xxxxxxxxxxxxx, da-x@xxxxxxxxxxx, da-x@xxxxxxx, dan@xxxxxxxxx
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/