cvs commit: src/sys/alpha/alpha support.s src/sys/i386/i386
swtch.s src/sys/kern kern_shutdown.c src/sys/sys systm.h
culverk at sweetdreamsracing.biz
Tue Jan 20 11:43:14 PST 2004
Quoting Nate Lawson <nate at root.org>:
> On Tue, 20 Jan 2004, Mike Silbersack wrote:
> > On Tue, 20 Jan 2004, Bruce Evans wrote:
> > <much deleted>
> > > This can be obtained by running a debugger on the panic dump. Line
> > > numbers and source file names can also be printed by the debugger
> > > if the executable has at least line numbers in its debugging info.
> > True, if you can convince the reporter to enable crashdumps and recreate
> > the panic... having even roughly accurate line numbers would increase the
> > usefulness of PRs quite a bit.
> Except when crashdumps don't work or are 1 GB+. There are a few things we
> * Fix crash dumps. I can't get a dump on my laptop, ATA.
> * Sparse crash dumps. We don't need non-anonymous pages, for instance.
> * Fix GDB backtrace output (patch posted by gallatin@ and obrien@ may be
> working on integrating it.)
> * Fix backtrace() so the output goes to the console log. Right now, we
> get output that needs to be hand-transcribed or use a serial console.
This is also very useful for when FreeBSD crashes when X is running. If X is
running, the only option is a serial console, as you can't see the crash to
transcribe it otherwise, and most people don't have the spare computer to use
as a serial console.
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