Date: Tue, 18 Oct 2005 12:00:26 GMT From: Chris Dionissopoulos <dionch@freemail.gr> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/87421: KERNEL PANIC: ng_ether +ng_eiface + if_bridge Message-ID: <200510181200.j9IC0Q0F044736@freefall.freebsd.org>
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The following reply was made to PR kern/87421; it has been noted by GNATS. From: Chris Dionissopoulos <dionch@freemail.gr> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: thompsa@FreeBSD.org, freebsd-gnats-submit@FreeBSD.org Subject: Re: misc/87421: KERNEL PANIC: ng_ether +ng_eiface + if_bridge Date: Tue, 18 Oct 2005 14:57:22 +0300 Gleb Smirnoff wrote: > Chris, > > a few questions: > >On Fri, Oct 14, 2005 at 05:29:26AM +0000, Chris Dionissopoulos wrote: >C> FreeBSD mail.local 6.0-BETA5 FreeBSD 6.0-BETA5 #4: Fri Sep 30 19:10:42 EEST 2005 root@mail.local:/usr/obj/usr/src/sys/MAIL i386 >C> >Description: >C> I get a kernel panic when i'm using if_bridge bridge0 interface with 2 virtuals (ng_eiface) and one physical (xl0). >C> The panic message is: >C> sbflush_locked: cc 0 || mb 0xc1aa2400 || mbcnt 512 > >Can you please obtain a backtrace, like desribed here: > > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-gdb.html > > I 'll try to reproduce/trace vmcore as soon as possible. (Now I'm using ng_bridge in this box[6-RC1 today], seems stable enough) >It looks like your ngeth interfaces aren't connected to any graph. Is that >true? > > yes. ng_ether interfaces defined for application usage* only. (* to make pf able to distinguish traffic based on mac-addr, for multi path routing purposes) >Is it essential that ng_ether node is loaded? You don't use it in your >example. > > yes.I need to enable/disable "setautosrc" option on demand which only ng_ether(4) provides. >Actually, a bug in interoperation between ng_ether and if_bridge has been >fixed in CURRENT. It is not yet merged to RELENG_6. However, your panic >looks different. That's why I am asking about backtrace. > > > IIRC i had (same?) panics a year ago using ng_eiface+ng_ether+{ng_bridge|ng_onemany} in a releng_5 (the same box). Keep in mind that when i 'm creating/altering netgraph nodes at the same time i have ~500 connections and some daemons running (samba,isc-dhcp on physical, apache,mysql). Thanks, Chris. ____________________________________________________________________ http://www.freemail.gr - δωρεάν υπηρεσία ηλεκτρονικού ταχυδρομείου. http://www.freemail.gr - free email service for the Greek-speaking.
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