Subject: Re: kern/25285: i386 MP panic: TLB IPI rendezvous failed (mask 1)
To: Erik E. Fair <fair@netbsd.org>
From: Martin Husemann <martin@duskware.de>
List: current-users
Date: 06/10/2004 21:13:54
On Thu, Jun 10, 2004 at 10:46:34AM -0700, Erik E. Fair wrote:
> It's also instructive that all the other CPUs other than the one
> attempting the shootdown are waiting for the kernel lock. We need
> finer grained locking than this to prevent this level of contention.
No argument we need finer grained locking, but this level of contention
could be a side effect of the underlying problem leading to the deadlock.
Martin