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Re: [Xen-devel] DMA trouble with current xen-sparse
On 2 Nov 2005, at 15:59, Daniel Veillard wrote:
[root@localhost ~]# ethtool -K eth0 tso off
Cannot set device tcp segmentation offload settings: Operation not
too bad ...
with 'swiotlb=force swiotlb=8m' kernel parameters the box is stable,
without it very basic network access can crash it (say 'locate lib'
and then the whole system reboots.
100% reproductible for me, and without crazy hardware :-)
It'd be interesting to know what form of skbuffs get sent to the driver
when this happens. e.g., how big is the skbuff data area, is the skbuff
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