The following ports initially installed and worked fine: multimedia/libv4l multimedia/webcamd multimedia/pwcview however, after a reboot video4bsd.ko panic'd my machine and i was unable to boot. I had to use the LiveFS to rescue the box. Here is the bt from DDB: FreeBSD 9.0-CURRENT #0 r202270: GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb 458752K of memory above 4GB ignored Copyright (c) 1992-2010 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 9.0-CURRENT #0 r202270: Thu Jan 14 11:20:04 WST 2010 WARNING: WITNESS option enabled, expect reduced performance. Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex cdev (cdev) r = 0 (0xc0df5bd8) locked _at_ /usr/src/sys/kern/kern_conf.c:72 KDB: stack backtrace: db_trace_self_wrapper(c0c9e3fb,c1c20b7c,c08d5375,c0c94c4e,48,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c0c94c4e,48,ffffffff,c0f3814c,c1c20bb4,...) at kdb_backtrace+0x29 _witness_debugger(c0ca08bd,c1c20bc8,4,1,0,...) at _witness_debugger+0x25 witness_warn(5,0,c0cd5368,c1c20ce8,c0df5540,...) at witness_warn+0x1fd trap(c1c20c54) at trap+0x19e calltrap() at calltrap+0x6 --- trap 0xc, eip = 0xc087f1c3, esp = 0xc1c20c94, ebp = 0xc1c20ca4 --- _mtx_assert(f000fea5,4,c0ca03dd,240,0,...) at _mtx_assert+0x53 alloc_unrl(0,4,c0c8fa0e,202,c7952000,...) at alloc_unrl+0x2f devfs_create(c7952000,40,20,c1bb1a3a,c1c20d60,...) at devfs_create+0x42 make_dev_credv(0,0,5,1a4,c1bb1a3a,...) at make_dev_credv+0x103 make_dev(c1bb2000,0,0,5,1a4,...) at make_dev+0x43 v4b_init(0,1c1ec00,1c1ec00,1c1e000,1c25000,...) at v4b_init+0x7b mi_startup() at mi_startup+0x96 begin() at begin+0x2c Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xf000feb5 fault code = supervisor read, page not present instruction pointer = 0x20:0xc087f1c3 stack pointer = 0x28:0xc1c20c94 frame pointer = 0x28:0xc1c20ca4 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 () [thread pid 0 tid 0 ] Stopped at _mtx_assert+0x53: movl 0x10(%edx),%eax db> bt Tracing pid 0 tid 0 td 0xc0df57f0 _mtx_assert(f000fea5,4,c0ca03dd,240,0,...) at _mtx_assert+0x53 alloc_unrl(0,4,c0c8fa0e,202,c7952000,...) at alloc_unrl+0x2f devfs_create(c7952000,40,20,c1bb1a3a,c1c20d60,...) at devfs_create+0x42 make_dev_credv(0,0,5,1a4,c1bb1a3a,...) at make_dev_credv+0x103 make_dev(c1bb2000,0,0,5,1a4,...) at make_dev+0x43 v4b_init(0,1c1ec00,1c1ec00,1c1e000,1c25000,...) at v4b_init+0x7b mi_startup() at mi_startup+0x96 begin() at begin+0x2c db> It was to early in the bootstrap process to get a core dump (call doadump). i.e. "no dumpdev available" message. -Alex IMPORTANT: This email remains the property of the Australian Defence Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT 1914. If you have received this email in error, you are requested to contact the sender and delete the email.Received on Wed Jan 20 2010 - 07:43:06 UTC
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