I must be getting a different bug (though some of the symptoms are similar). I've never had the unmount error or segmentation fault, but I always seem to get about a dozen or so "Buffer I/O error"s on shutdown (after the message about removing the disc and pressing Enter...even if I don't press enter, I eventually get the errors...of course I don't unplug the USB drive, but if I do, I get the same result), resulting in dramatic corruption when it was formatted ext2.
Using ext3 for casper-rw buys me some time, but I still get the errors (I'm not sure if there's any file corruption--no evidence of any, yet). Also, it adds "aborting journal on device sdb3" errors. Steve: Thanks for your help. I ended up doing this (had to download the deb for dpkg-repack manually...the Edgy repositories are no longer available), along with booting the persistent system and installing "dpkg-dev" so I could use dpkg-scanpackages to make a local source repository for the Edgy upstart debs I made, as well as using the preferences file at top to downgrade the packages. However, it didn't help with the buffer I/O errors. (I assume this fixed the umount error, which I've never had...maybe the bug is gone with Hardy, or is only applicable on some installations?) Mike: I tried doing that initially, but the Edgy repositories are no longer available (I'm assuming because Edgy is no longer supported). That's why I had to find a way to do it with the LiveCD of Edgy (I was able to find a download of the iso still), and use dpkg-repack to make the three debs for upstart. So, in my case (which apparently is a different bug), the old upstart packages didn't help. Thank you, Steve and Mike, though, for helping me downgrade those packages! -- failure to umount local filesystems - gutsy tribe 2 https://bugs.launchpad.net/bugs/125702 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