Date: Mon, 05 Feb 2007 18:06:16 +0200 From: Stefan Lambrev <stefan.lambrev@sun-fish.com> To: stable@freebsd.org Subject: ifconfig carp1 destroy = kernel panic Message-ID: <45C755F8.90603@sun-fish.com>
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Hi all, This combination of commands lead my freebsd servers to kernel panic. ifconfig bge0 192.168.1.1 netmask 255.255.255.0 ifconfig bge0 alias 10.1.1.1 netmask 255.255.255.0 ifconfig carp create ifconfig carp create ifconfig carp0 192.168.1.222/24 vhid 1 advskew 0 pass somekey ifconfig carp1 10.1.1.222/24 vhid 2 advskew 0 pass somekey - to this point everything is ok - ifconfig carp1 destroy - at this point this will cause kernel panic. I tested with ifconfig carp1 delete before destroy but the result is the same. tested on freebsd 6.2 pre-release i386 SMP and freebsd 6.2 release amd64 SMP - in both cases kernel panic. This seems very similar to this PR - http://www.freebsd.org/cgi/query-pr.cgi?pr=92776 I'm going to test on 6.2 stable from today, but I'm not very optimistic. Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x24 fault code = supervisor read, page not present instruction pointer = 0x20:0xc0555bcd stack pointer = 0x28:0xe4b77bd4 frame pointer = 0x28:0xe4b77be8 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 14 (swi1: net) trap number = 12 panic: page fault cpuid = 0 Uptime: 7m2s Cannot dump. No dump device defined. aac0: shutting down controller...done P.S. should I open new PR or just follow up to pr #92776 ? -- Best Wishes, Stefan Lambrev ICQ# 24134177
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