pk stuff

Intermittent problems with a USB drive attached to an Acer desktop running Ubuntu appear related to a long-standing issue with the ehci_hcd driver.

After much googling, the fix is to add acpi=noirq to the kernel boot line in /boot/grub/menu.lst.

title           Ubuntu 8.04.1, kernel 2.6.24-19-generic
root            (hd0,0)
kernel          /boot/vmlinuz-2.6.24-19-generic root=/dev/sda1 ro acpi=noirq
initrd          /boot/initrd.img-2.6.24-19-generic