Messages in this thread | | | Date | Wed, 20 Sep 2000 14:00:46 +0000 | From | Pavel Machek <> | Subject | Re: PROBLEM: umount report "busy" on r/o remount of root filesystem |
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Hi!
> Umount report "busy" when i try r/o remount the root filesystem at end > of > halt script. My halt script ends with: > > # Begin of halt > kill -9 -1 > umount -a > mount -n -o remount,ro /
BTW is this right? Does kill -9 guarantee that all syscalls are dead by the time it returns from kernel? Because if not, then race is pretty clear.
[And I'm pretty sure that kill -9 does *NOT* guarantee that.]
Try adding sleep 1 before umount -a
> halt > # End of halt > > Umount (and mount on next line too) report "/: device is busy" and the > root filesystem > stay not correctly unmounted. But when i press magic key "u" (emergency > remount), > the filesystem is correctly remounted. All other mounted filesystems are > correctly unmounted by "umount -a". This bug is present only on my > motherboard with SiS5513
I've seen this in past with various -testX and older. I doubt it is mainoard-specific. Pavel -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
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