Date: Sun, 27 Jun 2010 07:10:03 GMT From: Garrett Cooper <yanefbsd@gmail.com> To: freebsd-ipfw@FreeBSD.org Subject: Re: amd64/148157: IPFW in kernel nat BUG found in FreeBSD 8.1-PRERELEASE Message-ID: <201006270710.o5R7A3kg082226@freefall.freebsd.org>
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The following reply was made to PR amd64/148157; it has been noted by GNATS.
From: Garrett Cooper <yanefbsd@gmail.com>
To: Shant Kassardjian <pookme@hotmail.com>
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: amd64/148157: IPFW in kernel nat BUG found in FreeBSD
8.1-PRERELEASE
Date: Sun, 27 Jun 2010 00:04:16 -0700
Hi Shant,
Please bottom post from here on out.
On Sat, Jun 26, 2010 at 11:47 PM, Shant Kassardjian <pookme@hotmail.com> wrote:
> Hi Garrett,
>
>
> I just tried to perform a kernel dump with dumpdev="YES" and had no luck, I
> keep getting:
dumpdev="<blah>" always appears to fail to me as well (contrary to
what others have claimed). Try doing the following after booting up:
dumpon `awk '$3 == swap { print $1 }'`
Then you'll be able to reproduce the problem and grab the resulting
kernel core dump.
> Cannot dump. Device not defined or unavailable.
>
> my custom kernel is set to disable:
>
>
> #options KTRACE # ktrace(1) support
>
> #options KDTRACE_FRAME # Ensure frames are compiled in
> #options KDTRACE_HOOKS # Kernel DTrace hooks
>
> must recompile kernel to enable tracing?
No.
> I'm currently using the intel pro 1000 chipset / em0 driver, I've been
> experiencing all sorts of network stability problems for a while now(ever
> since I upgrade to stable a month ago). It looks like the em0 driver for
> amd64 needs alot of work however a couple of days ago when I recompiled my
> box to the latest stable 8.1-prerelease I saw alot of improvments and my
> ipfw/dummynet firewall seems to be running stable with no crashes/lockups so
> far...
>
>
> It is very easy for me to replicate the in nat kernel problem, i just cant
> get a dump to provide you the additional info.
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