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    SubjectRe: Rootfs mounted from user space - problem with umount
    On Sat, Nov 29, 2003 at 12:24:31AM -0500, John Zielinski wrote:
    > I modified my kernel so that rootfs uses tmpfs (shm) instead of ramfs.
    > I also modified it so that it allows mounting from user space. My
    > problem is when I try to umount it, umount hangs. I checked it's
    > proc/#/wchan entry and it's stuck in rwsem_down_write_failed. Now the
    > strange thing is I can mount it again from another console and then
    > umount it with no problems. It just hangs the first time. I know I'm
    > missing something simple but I can't seem to find it.

    Could you do a sysrq t and send in a backtrace?

    -- wli
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