Date: Sat, 3 Sep 2005 23:34:44 +0200 From: Kurt Jaeger <pi@c0mplx.org> To: freebsd-current@freebsd.org Subject: LOR on 6.0-BETA3 Message-ID: <20050903213444.GF76888@home.c0mplx.org>
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Hello, after booting an DELL Inspiron 3200 D266XT with 6.0-BETA3, the following LOR can be found in the dmesg output: lock order reversal 1st 0xc097e980 UMA lock (UMA lock) @ /usr/src/sys/vm/uma_core.c:1494 2nd 0xc1060144 system map (system map) @ /usr/src/sys/vm/vm_map.c:2317 KDB: stack backtrace: kdb_backtrace(0,ffffffff,c0933960,c0933aa0,c08be0a4) at kdb_backtrace+0x29 witness_checkorder(c1060144,9,c08745c9,90d) at witness_checkorder+0x564 _mtx_lock_flags(c1060144,0,c08745c9,90d) at _mtx_lock_flags+0x5b _vm_map_lock(c10600c0,c08745c9,90d) at _vm_map_lock+0x26 vm_map_remove(c10600c0,c1984000,c1985000,c8c56c0c,c0781b69) at vm_map_remove+0x1f kmem_free(c10600c0,c1984000,1000,c8c56c3c,c0781516) at kmem_free+0x25 page_free(c1984000,1000,2) at page_free+0x29 zone_drain(c1498000) at zone_drain+0x26a zone_foreach(c07812ac,c8c56cec,c0793497,c8c56c74,246) at zone_foreach+0x37 uma_reclaim(c8c56c74,246,0,c8c56c80,c062b459) at uma_reclaim+0x12 vm_pageout_scan(0,c097ede0,0,c0875ab6,604) at vm_pageout_scan+0x103 vm_pageout(0,c8c56d38,0,c07942ec,0) at vm_pageout+0x2c3 fork_exit(c07942ec,0,c8c56d38) at fork_exit+0xa0 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xc8c56d6c, ebp = 0 --- The full dmesg output can be found at: http://c0mplx.org/backup/lor-dmesg -- pi@c0mplx.org +49 171 3101372 15 years to go !
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