Dave Kleikamp schrieb: > Okay, I don't know much about /dev/port, so I guess this can lock up the > machine, but I don't see why it would mess up the file system. I'm > going to try this on a test machine to see if I can recreate this > problem.
it's probably sth. like "shooting yourself in the foot". i just wanted to know what's in /dev/port, and somehow the machine must've locked up. but i don't think it's directly related to jfs. > fsck would not have mounted the file system read-only. More likely, > fsck fixed some problems, and the kernel found something it didn't like > and remounted it read-only. yes, of course - fsck does not (u)mount, the kernel does. > I haven't heard of this happening before. Normally, once fsck fixes the > file system, it's okay unless there is something else going on, like i/o > errors. no i/o errors in the logs though (i'm logging via netconsole, so even if /var/log is ro, kernel errors get logged). > I think the problem might be that since fsck is running against a > currently-mounted partition, that it is finding problems with files that > are currently opened. It deletes those files on disk, but the kernel > still has the files open. If this is the case, I'm not sure how to > address it. If the file system is mounted read-only, fsck has no way to > know what files are currently open by the kernel. If it could, it could > refuse to allow a read-write remount until the system is rebooted. hm, interesting. when going to runlevel 1 i checked with "ps aux" that no processes (execpt bash and a few kernel threads) were running. so, i better check with "lsof" for open files next time. > I'm guessing you're back to a consistent state now. yes, hoopefully ;-) > You could make sure by fsck'ing the file system from a rescue cd. > Also, if you see the problem again, you could reboot after running > fsck without remounting the partition read-write. yes, probably the best thing to fsck a *unmounted* fs, to avoid confusions. thank your for your assistance, Christian. -- BOFH excuse #263: It's stuck in the Web. ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ Jfs-discussion mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/jfs-discussion
