[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: netbsd-5 deadlocks when memory is low
On Mon, Aug 29, 2011 at 03:49:09AM +0200, Emmanuel Dreyfus wrote:
> > because those requests have ended up in your file server which is
> > waiting for page daemon and thus deadlock? just a wild guess, though.
> So the right fix would be to have a uvm.user_paging count for pages from
> non kernel FS, and exclude that count from the test?
The right fix is to not let the kernel wait for userspace. In this
case that's probably not trivial.
There's a reason userlevel file systems have never really taken off...
David A. Holland
Main Index |
Thread Index |