Date: Wed, 31 Aug 2005 17:49:27 +0400 From: Yar Tikhiy <yar@comp.chem.msu.su> To: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> Cc: freebsd-current@freebsd.org Subject: Re: 6.0BETA3 panic in ip_output (vlan/RIP related?) Message-ID: <20050831134927.GA20529@comp.chem.msu.su> In-Reply-To: <1125487485.34476.6.camel@buffy.york.ac.uk> References: <1125487485.34476.6.camel@buffy.york.ac.uk>
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On Wed, Aug 31, 2005 at 12:24:45PM +0100, Gavin Atkinson wrote: > > I've just managed to panic an amd64 machine running 6.0BETA3. > > wiggum# ifconfig vlan76 destroy > wiggum# Aug 31 12:02:48 wiggum routed[244]: IP_DROP_MEMBERSHIP ALLHOSTS: Can't assign requested address > wiggum# > wiggum# ifconfig vlan76 create > wiggum# ifconfig vlan76 vlan 76 vlandev bge0 > wiggum# ifconfig vlan76 inet x.y.76.59 netmask 255.255.254.0 > > > Fatal trap 9: general protection fault while in kernel mode > cpuid = 0; apic id = 00 > instruction pointer = 0x8:0xffffffff80429420 > stack pointer = 0x10:0xffffffffb260b600 > frame pointer = 0x10:0xffffffffb260b710 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 244 (routed) Thanks for reporting this! The problem seems known and has to do with a deficiency in our multicast code WRT interface removal/re-insertion. It is on the to-do list of our networking gurus and hopefully will be dealt with RSN, after IP multicast code locking and cleanup are complete. -- Yar
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