Re: [Xen-devel] Re: Lockup at boot with nFroce SATA

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> Ian Pratt <Ian.Pratt <at> cl.cam.ac.uk> writes:
> 
> > Xen is less forgiving of technically buggy drivers than standard
> > x86. Drivers that have been made to work on other architectures
> > such as Alpha and PPC tend to have had such bugs beaten out of
> > them, but I guess sata_nv isn't in that category. 
> > 
> > My guess would be that there's some code in the driver that is
> > taking liberties with treating physical and bus addresses as the
> > same. If you can add some tracing to the driver to narrow things
> > down we may be able to help you.
> 
> 
> I have very similar problem with sata_via (SCSI) driver.
> Can you give me pointers to track down the problem ?
> 
> Cédric

Perhaps a starting point would be to compare the start-of-day driver
messages from booting native Linux compared with booting
XenLinux. Also, after booting native Linux, take a look at the output
of 'cat /proc/interrupts' and see what IRQ# is allocated to teh SATA
controller. 

 -- Keir


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