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xen-users
[Xen-users] Re: Xen Dom0 crash doing some I/O with "Out of SW-IOMMU spac
Ulrich Hochholdinger wrote:
> My dom0 crashes while doing I/O on the local harddrive.
> [..]
> [ 5822.499666] mpt2sas 0000:03:00.0: DMA: Out of SW-IOMMU space for 65536
> [ bytes. 5822.499743] BUG: unable to handle kernel NULL pointer
Wow, I really hope that "Out of SW-IOMMU space" problem doesn't come back.
We had problems back in late 2007/ early 2008, just search xen-user and xen-
devel for "Out of SW-IOMMU space".
At that time, the trick was a patch to the dom0 kernel.
Regards,
Markus
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