Messages in this thread | | | Date | Tue, 29 Apr 2008 03:12:28 +0100 | From | Al Viro <> | Subject | Re: umount(/proc) after CLONE_NEWNS in 2.6.25? |
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On Tue, Apr 29, 2008 at 03:06:38AM +0100, Al Viro wrote:
> > Check the version of umount(8) you've got. And see if that strace happens > > to have open of /proc/mounts, without matching close by the time it calls > > umount(). util-linux-ng 2.13.1 is _that_ dumb... > > Umm... Looks like something more odd is going on...
... or something much simpler:
; cat /proc/mounts |grep proc proc /proc proc rw,nosuid,nodev,noexec 0 0 usbfs /proc/bus/usb usbfs rw 0 0 ;
and unmounting the stuff mounted under /proc before doing umount /proc works as expected. Amazing how well the first cup of coffee helps...
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