CARP + VLAN = kernel dump

Gleb Smirnoff glebius at FreeBSD.org
Mon Jan 29 15:03:16 UTC 2007


On Thu, Dec 14, 2006 at 07:05:04PM -0800, Ask Bj?rn Hansen wrote:
A> Hi,
A> 
A> If I enable carp on a vlan interface in rc.conf the kernel goes  
A> boom.  This is 6.2-RC from a couple of weeks ago.  (IIRC then I had  
A> the same problem setting up carp on a bridge'd interface).
A> 
A> I'm configuring it like this:
A> 
A> ifconfig_vlan2="inet 10.50.0.3/24  vlan 202 vlandev sis2"
A> ifconfig_carp2="vhid 3 advskew 200 pass awe4jkfha4jkfha4f 10.50.0.1"
A> 
A> cloned_interfaces="... carp2 ... vlan2"
A> 
A> However, if I do the carp2 setup "manually" after the system is  
A> booted, it is working fine.
A> 
A> ifconfig carp2 vhid 3 advskew 200 pass hjarefhakjewfha 10.50.0.1
A> 
A> Any ideas?
A> 
A> (kernel dump below)
A> 
A>  - ask
A> 
A> 
A> fault virtual address   = 0x100005c
A> fault code              = supervisor read, page not present
A> instruction pointer     = 0x20:0xc05ba533
A> stack pointer           = 0x28:0xc7975c30
A> frame pointer           = 0x28:0xc7975c90
A> code segment            = base 0x0, limit 0xfffff, type 0x1b
A>                         = DPL 0, pres 1, def32 1, gran 1
A> processor eflags        = interrupt enabled, resume, IOPL = 0
A> current process         = 13 (swi1: net)
A> trap number             = 12
A> panic: page fault
A> Uptime: 17s
A> Cannot dump. No dump device defined.

Can you please configure dump device, obtain kernel dump, and print
the backtrace from it?

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE


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