Date: Tue, 25 Jun 2002 13:32:02 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: "Brian F. Feldman" <green@freebsd.org> Cc: Sid Carter <sidcarter@symonds.net>, current@freebsd.org Subject: Re: Automagic Reboots Message-ID: <3D18D342.BEF187E7@mindspring.com> References: <200206251736.g5PHaCH77643@green.bikeshed.org>
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"Brian F. Feldman" wrote: > > ----------------------------------------------- > > Jun 25 18:06:30 calvin kernel: /usr/src/sys/vm/uma_core.c:1331: could > > sleep with "process lock" locked from /usr/src/sys/kern/kern_exec.c:321 > > Jun 25 18:21:19 calvin syslogd: kernel boot file is /boot/kernel/kernel > > Jun 25 18:21:19 calvin kernel: Memory modified after free 0xc2cb9800(252) > > Jun 25 18:21:19 calvin kernel: panic: Most recently used by kqueue > > I've actually seen this, too; not been able to track it down at all, though. > At the moment, I've checked everywhere obviously M_KQUEUE memory is alloced > and dealloced and have no good leads. If you care a lot, then you need to search the kernel for structures that are exactly 252 bytes. The normal cause of this message is a reference cound underflow, which could be because of a reference count overflow (I had a similar case with cred's a whilke back). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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