In article <[EMAIL PROTECTED]>, Silvan <[EMAIL PROTECTED]> wrote: >I think I have a CD-ROM going south. I started the KDE CD ripper flummy, and >then immediately stopped it. I wound up with a kaudiocreator process hung up >eating system CPU cycles and making my hard disk do unpleasant sounding >things filling the log up with "hdd lost interrupt" messages. The system was >stable, but I didn't want to leave it doing that. > >So I closed everything out, logged off, waited a bit, and then rebooted. The >last thing I saw before the reboot was a warning that /home was busy, and so >was not umounted.
Makes sense. You probably hit a hardware or kernel bug. As a result some processes (kaudiocreator) got stuck in kernel mode and kept all filesystems they were using busy. At that point there is no way to umount those filesystems. >I booted into unclean/check forced mode on home and / both. Fortunately, >there were no serious problems. I never see serious problems even after a hard reboot. Ofcourse, I use journalling filesystems everywhere (ext3 or xfs). >Sure, I was having weird kernel interrupt problems, but it seems poorly >conceived to me for the init scripts to take one shot at something as >important as umounting everything, and then just say OK, to hell with it, >let's reboot anyway. Well, there's really nothing else to be done. What can be done? Repair the hardware by magic and somehow re-initialize the kernel? Rebooting is the safest way out. Note that the standard shutdown sequence _does_ call sync() just before halt/reboot. >I'm not sure what could have been done at that stage of the game, but I'm >miffed I didn't even get the chance to try. Because there's nothing to be done at that stage. Be glad that the system did reboot (imagine if it's in some remote location). >Anyone have any suggestions what I should do about this to increase the odds >that this won't happen again. (Other than getting rid of the CD ripper >flummy and trying to remember not to try to use the damn CD-ROM until I get >it replaced, I mean.) If you're using ext2, switch to ext3 (make sure your kernel supports ext3, then tune2fs -j /dev/hdaX for all your filesystems, change ext2 to ext3 in /etc/fstab, shutdown -rF now). Mike. -- The question is, what is a "manamanap". The question is, who cares ? -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
