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Re: ipf -D panic with 5.0_RC1 amd64 domU

On Thu, Jan 29, 2009 at 03:47:45PM +0000, Stephen Borrill wrote:
> I've got a 5.0_RC1 amd64 domU running on Xen 3.3.1/5.0_RC1 amd64 dom0.
> The domU is a fresh install. I logged in as root and typed ipf -D:
> panic: kernel diagnostic assertion "c->c_magic == CALLOUT_MAGIC" failed: 
> file "/usr/src/5.0/sys/kern/kern_timeout.c", line 424
> fatal breakpoint trap in supervisor mode
> trap type 1 code 0 rip ffffffff803765a5 cs e030 rflags 246 cr2 
> 7f7ffd93bda0 cpl 4 rsp ffffa000249424c0
> Stopped in pid 281.1 (ipf) at   netbsd:breakpoint+0x5:  leave
> breakpoint() at netbsd:breakpoint+0x5
> panic() at netbsd:panic+0x255
> __kernassert() at netbsd:__kernassert+0x2d
> callout_stop() at netbsd:callout_stop+0xb4
> ipfdetach() at netbsd:ipfdetach+0x57
> fr_ipf_ioctl() at netbsd:fr_ipf_ioctl+0x46b
> iplioctl() at netbsd:iplioctl+0xda
> VOP_IOCTL() at netbsd:VOP_IOCTL+0x31
> vn_ioctl() at netbsd:vn_ioctl+0x6d
> sys_ioctl() at netbsd:sys_ioctl+0x134
> syscall() at netbsd:syscall+0xb4

This doesn't look xen-specific. As native kernels are not build with
DIAGNOSTIC by default, a default native install won't show this issue.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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