Re: Filesystem tests crashing host

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

David Holland <dholland-current%netbsd.org@localhost> wrote:
> On Sat, Apr 16, 2011 at 09:08:00PM +0100, Mindaugas Rasiukevicius wrote:
>  > Thanks!  So it happens because somebody unloads the ksem module.  That
>  > is an interesting bug (which makes me think that there is a potential
>  > for it in other modularised subsystems).
> 
> ...of course there is, you need to lock modules in place while they're
> being used.
> 

Perhaps you did not get it.  The in-use check did exist.  The interesting
part is that it may not cover all relevant structures and that there might
be some races, obviously.  So it is about the scope of the check, rather
than existence of a check.

-- 
Mindaugas