LOR kern_timeout.c / sched_4bsd.c

From: Bjoern A. Zeeb <bzeeb-lists_at_lists.zabbadoz.net>
Date: Sun, 28 Dec 2003 11:30:06 +0000 (UTC)
Hi,

in kernel from 20031226-1337 UTC I can see the following LOR:

--- cut ---
[3] f:80 typ:165 s(CHS):0/0/1 e(CHS):1023/254/63 s:0 l:50000
[0] f:00 typ:0 s(CHS):0/0/0 e(CHS):0/0/0 s:0 l:0
[1] f:00 typ:0 s(CHS):0/0/0 e(CHS):0/0/0 s:0 l:0
[2] f:00 typ:0 s(CHS):0/0/0 e(CHS):0/0/0 s:0 l:0
[3] f:80 typ:165 s(CHS):0/0/1 e(CHS):1023/254/63 s:0 l:50000
lock order reversal
 1st 0xc05dae40 dont_sleep_in_callout (dont_sleep_in_callout) _at_ ../sys/kern/kern_timeout.c:224
 2nd 0xc05da220 allproc (allproc) _at_ ../sys/kern/sched_4bsd.c:257
Stack backtrace:
backtrace(1,0,ffffffff,c05de5d0,c05dedf0) at backtrace+0x12
witness_lock(c05da220,0,c0594908,101,0) at witness_lock+0x534
_sx_slock(c05da220,c0594908,101,80,8) at _sx_slock+0x77
schedcpu(0,c05dae40,0,c059453c,e0) at schedcpu+0x3c
softclock(0) at softclock+0x1a8
ithread_loop(c2a89500,c98b5d48,c2a89500,c04753e0,0) at ithread_loop+0x12b
fork_exit(c04753e0,c2a89500,c98b5d48) at fork_exit+0x98
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xc98b5d7c, ebp = 0 ---
Expensive timeout(9) function: 0xc0494c80(0) 0.965603434 s
Mounting root from ufs:/dev/md0c
start_init: trying /sbin/init
--- cut ---

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT
56 69 73 69 74				http://www.zabbadoz.net/
Received on Sun Dec 28 2003 - 02:30:16 UTC

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