[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Out of SW-IOMMU space for 7222 bytes at device ...: swiotlb or dom0_mem?
On Mon, Aug 04, 2008, Scott Garron wrote: > Chris Joelly wrote: >> Erros: >> Out of SW-IOMMU space for 7222 bytes at device ... >> >> i found somwhere on the internet that increasing dom0_mem and swiotlb >> should do the trick, but thats unfortunately not true for my setup ... > > What version of Xen and the kernel are you running? This bug was > supposedly fixed in April: > > http://lists.xensource.com/archives/html/xen-changelog/2008-04/msg00008.html > > ... but a similar (or identical) one appears to still have "NEW" status, > posted on April 25th. > > http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1227 > > Regardless of how you set swiotlb, under high I/O load, this bug > has the potential to completely eat your storage array (I found out the > hard way). > > As far as I know, it only seems to affect the 3Ware cards on 64-bit > systems, running a 64-bit kernel. > > 3Ware's knowledge base says this about it: > > http://www.3ware.com/kb/article.aspx?id=15345 i tried the following and got some success, at least till now no errors occurred: get the tarball for xen 3.1.4, compiled and installed it on Ubuntu server 8.04 64bit and configured Ubuntu's dom0 kernel 2.6.24 to be run via 3.1.4 hypervisor. thanks, Chris _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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