I looked more closely. The precipitating event wasn't the addition and removal of my Ipod. The USB storage device disconnected, then reattached.
You can see the disconnect, and resultant file system errors in the kern.log. May 3 16:56:15 mhempel-desktop kernel: [204412.592613] usb 5-4: USB disconnect, address 2 May 3 16:56:20 mhempel-desktop kernel: [204417.837400] EXT3-fs error (device sdb1): ext3_find_entry: reading directory #2 offset 0 May 3 16:56:20 mhempel-desktop kernel: [204417.845336] Buffer I/O error on device sdb1, logical block 0 May 3 16:56:20 mhempel-desktop kernel: [204417.845341] lost page write due to I/O error on sdb1 May 3 16:56:20 mhempel-desktop kernel: [204418.389141] usb 5-4: new high speed USB device using ehci_hcd and address 7 May 3 16:56:20 mhempel-desktop kernel: [204418.522073] usb 5-4: configuration #1 chosen from 1 choice May 3 16:56:20 mhempel-desktop kernel: [204418.522667] scsi9 : SCSI emulation for USB Mass Storage devices May 3 16:56:20 mhempel-desktop kernel: [204418.522921] usb-storage: device found at 7 May 3 16:56:20 mhempel-desktop kernel: [204418.522927] usb-storage: waiting for device to settle before scanning I can't eliminate the possibility of a hardware issue or loose cable. I'll wait until this issue reappears (if it does) to update this bug report. -- USB hard drive device is remapped when another USB hard drive is detached (Hardy) https://bugs.launchpad.net/bugs/226278 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
