Thanks for taking a look at it, Brian. Here is my "sudo lspci -vvnn".
I'm going to try disabling power states and disabling PCI MSI config tonight to see if it's interrupt- or power-related. I suggest everyone also post "cat /proc/interrupts": CPU0 CPU1 0: 110357473 0 IO-APIC-edge timer 1: 151725 0 IO-APIC-edge i8042 6: 106 0 IO-APIC-edge floppy 7: 0 0 IO-APIC-edge parport0 8: 0 0 IO-APIC-edge rtc 9: 1 0 IO-APIC-fasteoi acpi 16: 11184206 0 IO-APIC-fasteoi uhci_hcd:usb3, ohci1394, nvidia 18: 19924361 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb7, EMU10K1 19: 2433345 0 IO-APIC-fasteoi uhci_hcd:usb6, ohci1394, libata, libata 20: 9065082 0 IO-APIC-fasteoi pata_pdc2027x 21: 0 0 IO-APIC-fasteoi uhci_hcd:usb4 23: 0 0 IO-APIC-fasteoi ehci_hcd:usb2, uhci_hcd:usb5 507: 2723565 0 PCI-MSI-edge eth0 NMI: 0 0 LOC: 109387069 109387245 ERR: 0 ** Attachment added: "sudo lspci -vvnn" http://launchpadlibrarian.net/9262196/xtkn_lspcivvnn -- Sky2 ethernet failing randomly with Marvell 88E8056 gigabit https://bugs.launchpad.net/bugs/138611 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