Re: Problem with MSI-X on IA64

[Vivek Goyal <vgoyal@xxxxxxxxxx>]

On Wed, Feb 21, 2007 at 02:12:40PM +0100, Bernhard Walle wrote:
> * Bernhard Walle <bwalle@xxxxxxx> [2007-02-16 19:03]:
> > we have a HP rx2660 with a cciss controller that uses MSI. When
> > dumping into the kdump kernel, the kernel hangs with following error:
> > 
> >     cciss: Device 0x3230 has been found at bus 5 dev 0 func 0
> >     ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 45 (level, low) -> IRQ 53
> >     cciss: MSI-X init failed -22
> >     cciss: using DAC cycles
> >           blocks= 71065440 block_size= 512
> >           heads= 255, sectors= 32, cylinders= 8709
> > 
> >           blocks= 286611840 block_size= 512
> >           heads= 255, sectors= 32, cylinders= 35124
> > 
> >     Unexpected irq vector 0x3f on CPU 0!
> 
> The problem is *not* IA64-specific at all. It happens on very
> architecture, only the symptoms are different.
> 

Sometime back Rajesh Shah has posted a patch to solve MSI initialization
problem in e1000 over kexec.

http://lkml.org/lkml/2006/5/23/139

Can't find that code in latest kernel. Everything seems to have changed.

Thanks
Vivek
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