kqueue panic at boot time?

Robert Watson rwatson at freebsd.org
Sat Aug 21 09:21:50 PDT 2004

On Sat, 21 Aug 2004, George V. Neville-Neil wrote:

> 	Is anyone else seeing this?

Ah, this is probably a property of changes in the rwatson_netperf branch
relative to the base tree.  In my branch, close() is now run without Giant
and implementations of fo_close() are required to acquire Giant if they
need it.  It looks like kqueue_close() may not require Giant any longer,
so I'll remove the GIANT_REQUIRED in kqueue_close() in the rwatson_netperf

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Principal Research Scientist, McAfee Research

> kdb_enter(c07ef1cf) at kdb_enter+0x2b
> panic(c07ee670,c07ff512,c07ec570,537,c1472b28) at panic+0x131
> _mtx_assert(c08af7e0,1,c07ec570,537,c1472b28) at _mtx_assert+0x5c
> kqueue_close(c1472b27,c14496e0) at kqueue_close+0x28
> fdrop_locked(c1472b28,c14496e0,c12a43b8,0,c07ec160) at fdrop_locked+0x84
> fdrop(c1472b28,c14496e0,694,c08bb1e0,0) at fdrop+0x24
> closef(c1472b28,c14496e0,0,c07ec160) at closef+0x20b
> close(c14496e0,cc15ad14,1,17,296) at close+0xba
> syscall(2f,2f,2f8111000,bfbfbd50) at syscall+0x217
> Xint0x80_syscall() at Xint0x80_syscall+0x1f
> --- syscall (6, FreeBSD ELF2, close), eip = 0x2828256f, esp = 0xbfbfbccc, ebp= 0xbfbfc388 ---
> There may be typos, I had to type that all in.
> This all claims to happen because of:
> in kqueue_close() at line 1336.  
> Thoughts?
> Thanks,
> George
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