Date: Thu, 6 Jan 2005 00:05:19 +0100 From: Max Laier <max@love2party.net> To: freebsd-stable@freebsd.org Subject: Re: netstat fails with memory allocation error and error in kvm_read Message-ID: <200501060005.25343.max@love2party.net> In-Reply-To: <20050105172615.CF820C32C@brugere.aub.dk> References: <20050105172615.CF820C32C@brugere.aub.dk>
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--nextPart5785812.cLcgL6yYMP Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday 05 January 2005 18:26, J. Martin Petersen wrote: > > I just got another "netstat: kvm_read: Bad address". > > vm.kvm_free was 675278848 two seconds earlier and a couple of > > seconds later (and also currently). > > We just had another hard hang, and this time I managed to break to the > debugger on the serial console. I got this stack trace > <http://www.aub.dk/~jmp/fw/trace>, which seems to indicate that pf is > messing up somehow. This looks like pf.c, rev. 1.25 (HEAD) 1.18.2.6 (RELENG_5) and is an endles= s=20 loop, not a deadlock. I hope you can verify that updating to these revision= s=20 solves the issue. Please get back to me if not. Thanks in advance. > I of course didn't have the ddb man or the handbook section on kernel > debugging at hand, so I've just printed it for the next time it happens. > > Both 'show witness' and 'show locks' came up empty. What's the most > effective way to hunt down these deadlocks with the online kernel debugge= r? =2D-=20 /"\ Best regards, | mlaier@freebsd.org \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | mlaier@EFnet / \ ASCII Ribbon Campaign | Against HTML Mail and News --nextPart5785812.cLcgL6yYMP Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQBB3HK1XyyEoT62BG0RArIkAJ9XgvRyfMYY1YKWCzkFpYO6YQwTiQCfS8VD ccnevkC8e2nBAdXtESUAiTU= =YXFW -----END PGP SIGNATURE----- --nextPart5785812.cLcgL6yYMP--
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