I've experienced a similar issue together with the iommu bug, but iommu=soft doesn't resolve it: https://bugs.launchpad.net/ubuntu/+source /linux-source-2.6.15/+bug/129260
-- from bugzilla.kernel.org - data corruption with Opteron CPUs and nvidia chipsets//memory hole mapping / iommu related bug https://bugs.launchpad.net/bugs/128568 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
