Bug#547495: Debian Lenny 5.0.2 -- XEN Hypervisor 3.2.1 ; linux-image-2.6.26-2-xen-amd64 ; Hang under boot

[Ian Campbell <ijc@hellion.org.uk>]

On Thu, 2009-09-24 at 11:06 +0200, Henrik Dige Semark wrote:
> Ian Campbell skrev: 
> > On Sun, 2009-09-20 at 12:51 +0200, Henrik Dige Semark wrote:
> >   
> > > [    7.611998] Fatal DMA error! Please use 'swiotlb=force'
> > > [    7.612033] ------------[ cut here ]------------
> > > [    7.612036] kernel BUG at arch/x86/kernel/pci-nommu-xen.c:70!
> > >     
> > 
> > Did you try this? Note that it should be added to the domU command line.
> > 
> > Ian.
> >   
> Yes I have try to add swiotlb=force to my grup menu.lst

It should go on the Linux kernel command line, not the hypervisor
command line e.g.:

> domU:
> # cat /boot/grub/menu.lst
> [ ... ]
> title           Xen 3.2-1-amd64 / Debian GNU/Linux, kernel 2.6.26-2-xen-amd64
> root            (hd0,1)
> kernel          /xen-3.2-1-amd64.gz iommu=1 
> module          /vmlinuz-2.6.26-2-xen-amd64 swiotlb=force root=/dev/mapper/system-server ro console=tty0 pciback.hide=(03:05.0)(03:06.0)(03:07.0)
> module          /initrd.img-2.6.26-2-xen-amd64
> [ ... ]

Those pciback.hide bits are spurious in a domU I should think.

-- 
Ian Campbell
Current Noise: Grip Inc. - Longest Hate

The amount of weight an evangelist carries with the almighty is measured
in billigrahams.