Subject: Re: Recent macppc kernels hang under load
To: Bill Studenmund <wrstuden@netbsd.org>
From: Dave Huang <khym@azeotrope.org>
List: tech-kern
Date: 10/01/2003 17:25:55
On Wed, Oct 01, 2003 at 03:10:39PM -0700, Bill Studenmund wrote:
> 2) unionfs should not cause problems that will hang the kernel such that
> the programmer switch doesn't work. unionfs should not mess w/ interrupts.
> You can deadlock processes, and if you start the race for root, you can
> wedge the whole userland, but the programmer switch (which reacts to
> interrupts as I understand it) should still get you to ddb.

Does the programmer's switch actually work on a G4? The only way I've
been to break into ddb on my G4 is the Ctrl-Alt-Esc keyboard combo.
For me, the programmer's switch doesn't do anything even when the
Mac's not hung.
-- 
Name: Dave Huang         |  Mammal, mammal / their names are called /
INet: khym@azeotrope.org |  they raise a paw / the bat, the cat /
FurryMUCK: Dahan         |  dolphin and dog / koala bear and hog -- TMBG
Dahan: Hani G Y+C 27 Y++ L+++ W- C++ T++ A+ E+ S++ V++ F- Q+++ P+ B+ PA+ PL++