Subject: Re: Various weird lossage with serial console
To: None <firstname.lastname@example.org>
From: Bill Studenmund <email@example.com>
Date: 02/20/1998 15:56:57
On Fri, 20 Feb 1998, Thor Lancelot Simon wrote:
[weird serial console problems on i386]
> I have some trouble understanding this. Can anyone suggest a reason? I'd
> like to just toss one of the hung machines into DDB and see where it's
> stopped, but the problem with this should be obvious...
Can't you drop the kernel into DDB over the serial console? On all the
zstty ports (sun3, mac68k, sparc, mvm68k, etc), sending a break on the
serial console drops you into DDB. And it should do it before whatever's
going on has a chance to unwedge.