Date: Sat, 28 Jul 2012 23:29:57 -0700 From: Garrett Cooper <yanegomi@gmail.com> To: "Greg 'groggy' Lehey" <grog@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Panic on boot after svn update Message-ID: <CAGH67wQapPLDa0kXzNMEL=g_qK9jd3VbOBM9zg_VDaZSQAjUEA@mail.gmail.com> In-Reply-To: <20120729051509.GA40138@eureka.lemis.com> References: <20120729045354.GA1054@weller-fahy.com> <20120729051509.GA40138@eureka.lemis.com>
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On Sat, Jul 28, 2012 at 10:15 PM, Greg 'groggy' Lehey <grog@freebsd.org> wrote: > On Sunday, 29 July 2012 at 0:53:55 -0400, David J. Weller-Fahy wrote: >> So, I recently updated and encountered a panic on boot which is >> reproducible, and wanted to see if anyone's encountered this before I >> file a PR. I found a problem in (I think) recent changes to the e1000 >> driver. I'm running FreeBSD 10-CURRENT as a VirtualBox guest. >> >> #v+ >> FreeBSD fork-pooh 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r238764: Sat Jul 28 17:21:47 EDT 2012 root@fork-pooh:/usr/obj/usr/src/sys/GENERIC amd64 >> #v- >> >> I have the Adapter Type set to, "Intel PRO/1000 MT Desktop (82540EM)", and the >> following card is detected by pciconf. >> ... >> Updating motd:. >> Starting ntpd. >> panic: _mtx_lock_sleep: recursed on non-recursive mutex em0 @ /usr/src/sys/dev/e1000/if_lem.c:881 > > <aol>Me too</aol> The panic message is identical, and I'm also running > in VirtualBox. My version string (from strings on the kernel) is: > > FreeBSD 10.0-CURRENT #4: Sat Jul 28 09:45:10 EST 2012 > root@swamp.lemis.com:/usr/obj/src/FreeBSD/svn/head/sys/GENERIC > > Note that this is a different EST (UTC+10). > > I have a dump, but I can't get much sense out of it: > > kgdb: kvm_read: invalid address (0x354540a) > #0 0x00000000 in ?? () > > I'm currently rebuilding the system, but it looks as if that won't > help much. One interesting point is that the first panic happened > after installing the new image (from yesterday's sources) while I was > trying to reboot with the old kernel, dating back to > > FreeBSD swamp.lemis.com 10.0-CURRENT FreeBSD 10.0-CURRENT #3: Sun May 13 14:34:43 EST 2012 root@swamp.lemis.com:/usr/obj/src/FreeBSD/svn/head/sys/GENERIC i386 See this thread: http://lists.freebsd.org/pipermail/freebsd-current/2012-July/035593.html . -Garrett
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