Date: Thu, 25 Mar 2004 00:43:22 +0900 (JST) From: Norikatsu Shigemura <nork@FreeBSD.org> To: current@FreeBSD.org Subject: LOR on building world Message-ID: <200403241543.i2OFhMd2014677@sakura.ninth-nine.com>
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I contacted LOR when I'm building world. Mar 24 23:28:56 nadesico kernel: lock order reversal Mar 24 23:28:56 nadesico kernel: 1st 0xc0868294 sleepq chain (sleepq chain) @ /usr/src/sys/kern/subr_sleepqueue.c:193 Mar 24 23:28:56 nadesico kernel: 2nd 0xc08623a0 sched lock (sched lock) @ /usr/src/sys/kern/subr_sleepqueue.c:565 Mar 24 23:28:56 nadesico kernel: 3rd 0xc08682bc sleepq chain (sleepq chain) @ /usr/src/sys/kern/subr_sleepqueue.c:193 Mar 24 23:28:56 nadesico kernel: Stack backtrace: Mar 24 23:28:56 nadesico kernel: backtrace(c07aae8c,c08682bc,c07aa6c6,c07aa6c6,c07aa6d3) at backtrace+0x17 Mar 24 23:28:56 nadesico kernel: witness_checkorder(c08682bc,9,c07aa6d3,c1,1018) at witness_checkorder+0x5e5 Mar 24 23:28:56 nadesico kernel: _mtx_lock_spin_flags(c08682bc,0,c07aa6d3,c1,c79e2a80) at _mtx_lock_spin_flags+0x32 Mar 24 23:28:56 nadesico kernel: sleepq_lookup(c085e740,c08623a0,c086b798,c79e2a80,ffffffff) at sleepq_lookup+0x3f Mar 24 23:28:56 nadesico kernel: sleepq_broadcast(c085e740,0,ffffffff,e6592af4,c05aabe2) at sleepq_broadcast+0x17 Mar 24 23:28:56 nadesico kernel: wakeup(c085e740,ffffffff,c6af4720,e6592b14,c05c7d10) at wakeup+0x21 Mar 24 23:28:56 nadesico kernel: setrunnable(c79e2a80,0,c07aa6d3,235,c79e2a80) at setrunnable+0xa2 Mar 24 23:28:56 nadesico kernel: sleepq_wakeup_thread(c6af4720,c79e2a80,ffffffff,2d1,c7a12d6c) at sleepq_wakeup_thread+0xd0 Mar 24 23:28:56 nadesico kernel: sleepq_remove(c79e2a80,c088e6e4,c07ab2cd,4c9,c7a12d6c) at sleepq_remove+0xac Mar 24 23:28:56 nadesico kernel: doselwakeup(c7a12d6c,58,e6592b84,c05e55c2,c7a12d6c) at doselwakeup+0xf0 Mar 24 23:28:56 nadesico kernel: selwakeuppri(c7a12d6c,58,c2b98c00,c2b98c00,c6fa34ec) at selwakeuppri+0x18 Mar 24 23:28:56 nadesico kernel: sowakeup(c7a12d20,c7a12d6c,1fe0,ffffffff,7fffffff) at sowakeup+0x22 Mar 24 23:28:56 nadesico kernel: uipc_send(c79ded20,0,c2b98c00,0,0) at uipc_send+0x295 Mar 24 23:28:56 nadesico kernel: sosend(c79ded20,0,e6592cb8,c2b98c00,0) at sosend+0x4bd Mar 24 23:28:56 nadesico kernel: soo_write(c79dde9c,e6592cb8,c2b7f600,0,c6c062a0) at soo_write+0x70 Mar 24 23:28:56 nadesico kernel: writev(c6c062a0,e6592d14,c,c07ab7d2,3) at writev+0x212 Mar 24 23:28:56 nadesico kernel: syscall(2f,8a8002f,bfbf002f,20,1) at syscall+0x2a0 Mar 24 23:28:56 nadesico kernel: Xint0x80_syscall() at Xint0x80_syscall+0x1d Mar 24 23:28:56 nadesico kernel: --- syscall (121), eip = 0x682631af, esp = 0xbfbfe91c, ebp = 0xbfbfe938 ---
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