Maxime Henrion wrote:
> Maxim Sobolev wrote:
> > Any ideas?
> Looks like some other processes was modifying the mountlist while
> vfs_unmountall() was running.  Is this an SMP box ?

No, it's UP.

> It would be nice if
> you could check in gdb which other process was holding the mountlist_mtx
> mutex if any.

Sure, if you will provide me with instruction on how to do in.

> The vfs_unmountall() function doesn't acquire the
> mounstlist_mtx and states this is OK in a comment because this functions
> is ran upon reboot, but I suspect this is incorrect and we still need to
> do the locking.  I'll write a patch tonight to add locking into
> vfs_unmountall(), but it may be hard to test unless you know of a way to
> reproduce this panic easily.

No, I don't. It's the first time I've encountered this particular


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