On first reboot after building & installing; yesterday (_at_r205249) was OK: 3 1. Boot FreeBSD [default] 3 |_| |_| \___|\___| 3 2. Boot FreeBSD with ACPI disabled 3 ____ _____ _____ 3 3. Boot FreeBSD in Safe Mode 3 | _ \ / ____| __ \ 3 4. Boot FreeBSD in single user mode 3 | |_) | (___ | | | | 3 5. Boot FreeBSD with verbose logging 3 | _ < \___ \| | | | 3 6. Escape to loader prompt 3 | |_) |____) | |__| | 3 7. Reboot 3 | | | | 3 3 |____/|_____/|_____/ 3 3 3 3 3 3 3 Select option, [Enter] for default 3 3 or [Space] to pause timer 0 3 _at_DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDY GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb 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 #102 r205276: Thu Mar 18 06:06:56 PDT 2010 root_at_freebeast.catwhisker.org:/common/S4/obj/usr/src/sys/GENERIC i386 WARNING: WITNESS option enabled, expect reduced performance. Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xf000efd2 fault code = supervisor read, page not present instruction pointer = 0x20:0xc093a0c8 stack pointer = 0x28:0xc142071c frame pointer = 0x28:0xc142071c 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 strlen+0x8: cmpb $0,0(%edx) db> bt Tracing pid 0 tid 0 td 0xc0e02df0 strlen(f000efd2,c142086c,cccccccc,ccccccc,cccccccc,...) at strlen+0x8 kvprintf(c0ca617e,c08c9880,c142086c,a,c14208ac,...) at kvprintf+0x8fe vsnprintf(c0e048e0,100,c0ca617e,c14208ac,0,...) at vsnprintf+0x3b panic(c0ca617e,f000efd2,c0cd1cd6,dcc,c1420a68,...) at panic+0x8d _mtx_lock_flags(5c,0,c0cd1cd6,dcc,c142091c,...) at _mtx_lock_flags+0x9a _vm_map_lock_read(0,c0cd1cd6,dcc,5d,0,...) at _vm_map_lock_read+0x30 vm_map_lookup(c1420a50,f000f000,1,c1420a54,c1420a44,...) at vm_map_lookup+0x38 vm_fault(0,f000f000,1,0,f000ff63,...) at vm_fault+0xa5 trap_pfault(5,0,c0ce1b15,c0d904c0,c0e02b40,...) at trap_pfault+0x17b trap(c1420b70) at trap+0x4a8 calltrap() at calltrap+0x6 --- trap 0xc, eip = 0xc08853d6, esp = 0xc1420bb0, ebp = 0xc1420bd0 --- _mtx_lock_flags(f000ff53,0,c0cd0df2,9a2,0,...) at _mtx_lock_flags+0x46 zone_alloc_item(c0d9b5fc,c0cd12d4,c0cd11fb,c15ba000,c1420c88,...) at zone_alloc_item+0x33 hash_alloc(c15ba008,c0cd12d4,c0cd11fb,10,df,...) at hash_alloc+0x54 keg_ctor(c15ba000,80,c1420c88,2,c1420c88,...) at keg_ctor+0x234 zone_alloc_item(c0f7d380,180,c1420c88,c0d9b5fc,20000000,...) at zone_alloc_item+0x176 zone_ctor(c0f7d380,180,c1420cd8,2,c0cd33f3,...) at zone_ctor+0x1d2 uma_startup(c158b000,30,7ff60000,3,c158b000,...) at uma_startup+0x1db vm_page_startup(c15bb000,a,c1420d88,c084f0b6,0,...) at vm_page_startup+0x1d0 vm_mem_init(0,141ec00,141ec00,141e000,1425000,...) at vm_mem_init+0x18 mi_startup() at mi_startup+0x96 begin() at begin+0x2c db> Machine is a dual-CPU, single-core box (my build machine). In normal course of operations, I'll be building & booting (smoke testing) on my laptop as well, but since it's currently upgrading the gcc44 port, that may wait for a few hours. Anyway, I'll be happy to test patches. Peace, david -- David H. Wolfskill david_at_catwhisker.org Depriving a girl or boy of an opportunity for education is evil. See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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