Date: Fri, 23 Nov 2001 11:12:59 +0100 (CET) From: Martin Blapp <mb@imp.ch> To: <jhb@freebsd.org> Cc: <des@freebsd.org>, <freebsd-current@freebsd.org> Subject: Still panic() with userland binary on CURRENT Message-ID: <20011123110955.Q3094-100000@levais.imp.ch>
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Hi DES, John,
It does not lock the box completly, but it still panics. Sorry.
DDB over serial connection:
#./unilockd
lock order reversal
1st 0xc04a8e80 sched lock @ /usr/src/sys/kern/kern_mutex.c:319
2nd 0xc049d8a0 sio @ /usr/src/sys/dev/sio/sio.c:2958
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x123423bd
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc024d74a
stack pointer = 0x10:0xcdc4dc70
frame pointer = 0x10:0xcdc4dc7c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 12 (swi6: tty:sio clock)
kernel: type 12 trap, code=0
Stopped at _mtx_lock_sleep+0x14e: movb 0x45(%eax),%al
db> trace
_mtx_lock_sleep(cf610f10,0,c03c7966,27b) at _mtx_lock_sleep+0x14e
_mtx_lock_flags(cf610f10,0,c03c7966,27b,6) at _mtx_lock_flags+0x79
realitexpire(cf610d04) at realitexpire+0x24
softclock(0) at softclock+0x136
ithread_loop(c24ced00,cdc4dd48,c24ced00,c02470b8,0) at ithread_loop+0x12a
fork_exit(c02470b8,c24ced00,cdc4dd48) at fork_exit+0x58
fork_t
Martin
Martin Blapp, mb@imp.ch
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