Date: Fri, 4 Sep 2009 21:59:25 +0600 From: "Dmitriy Zamuraev" <gigabyte.tmn@gmail.com> To: "Mel Flynn" <mel@rachie.is-a-geek.net> Cc: freebsd-net@freebsd.org Subject: Re: [panic] Kernel corruption of pppoe lists Message-ID: <001601ca2d78$aecc4af0$1e010a0a@in72.ru> References: <20090904093907.B61227E854@mailhub.rachie.is-a-geek.net>
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I have same problem, and we are not alone. See http://www.freebsd.org/cgi/query-pr.cgi?pr=137881 (PR: kern/137881) You may append to this PR. ----- Original Message ----- From: "Mel Flynn" <mel@rachie.is-a-geek.net> To: <FreeBSD-gnats-submit@freebsd.org> Cc: <freebsd-net@FreeBSD.org> Sent: Friday, September 04, 2009 3:39 PM Subject: [panic] Kernel corruption of pppoe lists >>Description: > I realize the kernel is a bit old, but it also very hard to reproduce. > Kernel > was up 56 days and this crash happened shortly after a very long connect > time, > hangup by ISP and some renegotiation issues. I can provide the ppp.log of > the > incident if needed. > > What bothers me is the contents of the session list element, preceding the > element > cannot be accessed. Clearly, there is random kernel memory present there, > judging > from ether_dhost and ether_shost. > > #7 0xc06cd0a0 in pppoe_findsession (privp=0xc4258000, wh=Variable "wh" is > not available. > ) > at /data/RELENG_7/src/sys/netgraph/ng_pppoe.c:567 > #8 0xc06ce1a0 in ng_pppoe_rcvdata_ether (hook=0xc41b6380, > item=0xc4256120) > at /data/RELENG_7/src/sys/netgraph/ng_pppoe.c:1612
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