Date: Sun, 28 Dec 2003 11:30:06 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: current@freebsd.org Subject: LOR kern_timeout.c / sched_4bsd.c Message-ID: <Pine.BSF.4.53.0312281127340.21415@e0-0.zab2.int.zabbadoz.net>
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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) @ ../sys/kern/kern_timeout.c:224 2nd 0xc05da220 allproc (allproc) @ ../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/
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