Ivan Voras wrote: > Karol Kwiatkowski wrote: > >> This works: FreeBSD 6.2-PRERELEASE #0: Thu Dec 14 11:34:36 CET 2006 >> This doesn't: FreeBSD 6.2-PRERELEASE #0: Sat Dec 30 11:27:11 CET 2006 > >> I'm not sure it that's all that matters, I can supply more information >> if needed. > > Yes, you'll need to send at least a kernel stack backtrace. See here: > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-online-ddb.html > > Get it to start the debugger on panic and post the backtrace (bt).
Thanks for the link, I hope I've done it right. Here it is:
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x74
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc055d18d
stack pointer = 0x28:0xe989dbbc
frame pointer = 0x28:0xe989dbc0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 637 (ntpd)
[thread pid 637 tid 100059 ]
Stopped at turnstile_setowner+0xd: movl 0x74(%ecx),%eax
db> bt
Tracing pid 637 tid 100059 td 0xc4de2780
turnstile_setowner(c4de9240,0,c4dc9240,c07201e0,c5102090,...) at
turnstile_setowner+0xd
turnstile_wait(c5101090,0,c5101000,c07234e0,e989dc24,...) at
turnstile_wait+0xca
_mtx_lock_sleep(c5102090,c4de2780,0,0,0,...) at _mtx_lock_sleep+0xb4
in_pcballoc(c4e892c8,c07234e0,10000,c06c8de5,38,...) at in_pcballoc+0xbe
tcp_attach(c4e892c8,c4e8933c,c06c8de5,0,c4e892c8,...) at tcp_attach+0x58
tcp_usr_attach(c4e892c8,0,c4de2780,0,0,...) at tcp_usr_attach+0x63
socreate(2,e989dcb8,1,0,c4ab1c90,...) at socreate+0x167
socket(c4de2780,e989dd04,c,c4de2780,80d3000,...) at socket+0xb3
syscall(3b,3b,3b,0,7,...) at syscall+0x380
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (97, FreeBSD ELF32, socket), eip = 0x282939d3, esp =
0xbfbfeb1c, ebp = 0xbfbfebf8 ---
db >
HTH,
Karol
--
Karol Kwiatkowski <freebsd at orchid dot homeunix dot org>
OpenPGP: http://www.orchid.homeunix.org/carlos/gpg/0x06E09309.asc
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