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Re: apparently missing locking in if_bnx.c

On Wed, Mar 07, 2012 at 02:54:07PM -0500, Thor Lancelot Simon wrote:
> On Wed, Mar 07, 2012 at 12:13:47PM -0600, David Young wrote:
> > On Wed, Mar 07, 2012 at 07:15:48AM -0500, Beverly Schwartz wrote:
> > > I understand that lockdebug changes timing and can impact performance
> > > and that my bug may "disappear" because of that.  What I found really
> > > difficult was that for my bug, lockdebug consistently caused a freeze
> > > up.  Not a panic.  Not a crash.  An indiscriminate freeze.  And it
> > > happened quickly and consistently.  That sent me down a completely
> > > wrong path of inquiry, taking me further from "my" bug.
> > 
> > Can you drop into the kernel debugger, or is it too frozen even for
> > that?
> Dropping into the kernel debugger has been hosed on amd64 for a while,
> a problem with cnmagic, isn't it?

I'm not sure why it would be worse on amd64 than on i386, the
console code is the same.
I don't remmeber issues but I mostly use serial console on my
test systems ...

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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