I'm afraid I'm still seeing this bug. Or something similar. I did not get a kernel panic, but my network died and stayed dead. I was, however, able to reboot.
Nov 4 16:44:43 xen1 -- MARK -- Nov 4 17:04:36 xen1 kernel: [19235.154900] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.157617] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.160469] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.163254] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.166076] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.168897] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.171727] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.174519] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 Nov 4 17:04:36 xen1 kernel: [19235.177666] PCI-DMA: Out of SW-IOMMU space for 7222 bytes at device 0000:03:00.0 7222 bytes is likely dictated by my ethernet interface being set for jumbo frames: 11: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 7200 qdisc pfifo_fast qlen 1000 link/ether 00:1b:fc:1f:33:40 brd ff:ff:ff:ff:ff:ff this is on the following controller: 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) I will proceed with some tests of using different NICs to try to isolate the behaviour. -- Gutsy xen-3.1/kernel-2.6.22 dom0 kernel panic https://bugs.launchpad.net/bugs/135818 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