At 03:44 PM 4/23/2009, Kip Macy wrote: >I think this is my fault. Will commit a fix some time today. Hi, Some more details. I changed my rc.conf so I dont assign an IP address to em0 and the box boots up. Then, doing the following on the serial console 0[i7]# ifconfig em0 up 0[i7]# 0[i7]# Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x0 fault code = supervisor read, page not present instruction pointer = 0x20:0x0 stack pointer = 0x28:0xe6ae3ca8 frame pointer = 0x28:0xe6ae3cd4 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 (em0 taskq) [thread pid 0 tid 100037 ] Stopped at 0: *** error reading from address 0 *** db> panic panic: from debugger cpuid = 1 KDB: stack backtrace: db_trace_self_wrapper(c0c32738,e6ae3964,c085fbed,c0d80000,0,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c0d80000,0,c0c2feaa,176,e6ae39ba,...) at kdb_backtrace+0x29 mi_switch(100,0,c0c30ff6,992,1,...) at mi_switch+0x12d sched_bind(c683d000,0,c0c2f2ff,119,0,...) at sched_bind+0x8a boot(c0c2f445,c0c2f445,c0bd4ae0,e6ae3a00,1,...) at boot+0x47 panic(c0bd4ae0,e6ae3ac4,c04bf071,0,0,...) at panic+0x152 db_panic(0,0,ffffffff,e6ae3a3c,1,...) at db_panic+0x17 db_command(c0bd4b8f,e6ae3b24,c04c102d,c0c62d20,ed1eed1e,...) at db_command+0x381 db_command_loop(c0c62d20,ed1eed1e,62c062c,7,0,...) at db_command_loop+0x5a db_trap(c,0,fd,28,e6ae3c68,...) at db_trap+0xdd kdb_trap(c,0,e6ae3c68,1,1,...) at kdb_trap+0x96 trap_fatal(c0d79768,0,c0c6663c,336,0,...) at trap_fatal+0x2ef trap_pfault(5,0,c0c66727,6,c0d796e0,...) at trap_pfault+0x1e3 trap(e6ae3c68) at trap+0x448 calltrap() at calltrap+0x6 --- trap 0xc, eip = 0, esp = 0xe6ae3ca8, ebp = 0xe6ae3cd4 --- uart_z8530_class(c6894240,c689425c,c0c25efe,0,c0c2dc36,...) at 0 taskqueue_thread_loop(c689b564,e6ae3d38,c0c2b342,32d,c0d796e0,...) at taskqueue_thread_loop+0x68 fork_exit(c088fe10,c689b564,e6ae3d38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xe6ae3d70, ebp = 0 --- db> em0: <Intel(R) PRO/1000 Network Connection 6.9.9> port 0xdc00-0xdc1f mem 0xfaee0000-0xfaefffff,0xfaedc000-0xfaedffff irq 16 at device 0.0 on pci1 em0: Using MSIX interrupts em0: [ITHREAD] em0: [ITHREAD] em0: [ITHREAD] em0: Ethernet address: 00:30:48:d7:c1:6e pcib2: <ACPI PCI-PCI bridge> at device 2.0 on pci0 pci2: <ACPI PCI bus> on pcib2 em1: <Intel(R) PRO/1000 Network Connection 6.9.9> port 0xec00-0xec1f mem 0xfafe0000-0xfaffffff,0xfafdc000-0xfafdffff irq 16 at device 0.0 on pci2 em1: Using MSIX interrupts em1: [ITHREAD] em1: [ITHREAD] em1: [ITHREAD] em1: Ethernet address: 00:30:48:d7:c1:6f >-Kip > >On Thu, Apr 23, 2009 at 10:30 AM, Mike Tancsa <mike_at_sentex.net> wrote: > > At 12:20 PM 4/23/2009, Eygene Ryabinkin wrote: > > > >> Any chance to get backtrace from kgdb? > > > > Hi, > > Not sure if its saving all the core file > > > > > > Fatal trap 12: page fault while in kernel mode > > cpuid = 0; apic id = 00 > > fault virtual address = 0x0 > > fault code = supervisor read, page not present > > instruction pointer = 0x20:0x0 > > stack pointer = 0x28:0xe6ae3ca8 > > frame pointer = 0x28:0xe6ae3cd4 > > 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 (em0 taskq) > > [thread pid 0 tid 100037 ] > > Stopped at 0: *** error reading from address 0 *** > > db> bt full > > Symbol not found > > db> trace > > Tracing pid 0 tid 100037 td 0xc683d000 > > taskqueue_run(3330884160,3330884188,3233963774,0,3233995830,...) at > > taskqueue_run+267 > > taskqueue_thread_loop(3330913636,3870178616,3233985346,813,3235354336,...) > > at taskqueue_thread_loop+104 > > fork_exit(3230203408,3330913636,3870178616) at fork_exit+184 > > fork_trampoline() at fork_trampoline+8 > > --- trap 0, eip = 0, esp = 3870178672, ebp = 0 --- > > db> panic > > panic: from debugger > > cpuid = 0 > > Uptime: 8s > > Physical memory: 3046 MB > > Dumping 92 MB: 77 61 45 29 13 > > Dump complete > > Automatic reboot in 15 seconds - press a key on the console to abort > > --> Press a key on the console to reboot, > > --> or switch off the system now. > > Rebooting... > > > > > > > > 0[i7]# kgdb /usr/obj/usr/src/sys/GENERIC/kernel.debug vmcore.4 > > GNU gdb 6.1.1 [FreeBSD] > > Copyright 2004 Free Software Foundation, Inc. > > GDB is free software, covered by the GNU General Public License, > and you are > > welcome to change it and/or distribute copies of it under certain > > conditions. > > Type "show copying" to see the conditions. > > There is absolutely no warranty for GDB. Type "show warranty" for details. > > This GDB was configured as "i386-marcel-freebsd"... > > > > Unread portion of the kernel message buffer: > > > > > > Fatal trap 12: page fault while in kernel mode > > cpuid = 0; apic id = 00 > > fault virtual address = 0x0 > > fault code = supervisor read, page not present > > instruction pointer = 0x20:0x0 > > stack pointer = 0x28:0xe6ae3ca8 > > frame pointer = 0x28:0xe6ae3cd4 > > 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 (em0 taskq) > > panic: from debugger > > cpuid = 0 > > Uptime: 8s > > Physical memory: 3046 MB > > Dumping 92 MB: 77 61 45 29 13 > > > > #0 doadump () at pcpu.h:246 > > 246 pcpu.h: No such file or directory. > > in pcpu.h > > (kgdb) bt > > #0 doadump () at pcpu.h:246 > > #1 0xc085749e in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:420 > > #2 0xc0857772 in panic (fmt=Variable "fmt" is not available. > > ) at /usr/src/sys/kern/kern_shutdown.c:576 > > #3 0xc04bea47 in db_panic (addr=Could not find the frame base for > > "db_panic". > > ) at /usr/src/sys/ddb/db_command.c:478 > > #4 0xc04bf071 in db_command (last_cmdp=0xc0d4985c, cmd_table=0x0, > > dopager=1) at /usr/src/sys/ddb/db_command.c:445 > > #5 0xc04bf1ca in db_command_loop () at /usr/src/sys/ddb/db_command.c:498 > > #6 0xc04c102d in db_trap (type=12, code=0) at > > /usr/src/sys/ddb/db_main.c:229 > > #7 0xc08852c6 in kdb_trap (type=12, code=0, tf=0xe6ae3c68) at > > /usr/src/sys/kern/subr_kdb.c:534 > > #8 0xc0b6699f in trap_fatal (frame=0xe6ae3c68, eva=0) at > > /usr/src/sys/i386/i386/trap.c:917 > > #9 0xc0b66bd3 in trap_pfault (frame=0xe6ae3c68, usermode=0, eva=0) at > > /usr/src/sys/i386/i386/trap.c:839 > > #10 0xc0b675c8 in trap (frame=0xe6ae3c68) at > > /usr/src/sys/i386/i386/trap.c:521 > > #11 0xc0b4b21b in calltrap () at /usr/src/sys/i386/i386/exception.s:165 > > #12 0x00000000 in ?? () > > Previous frame inner to this frame (corrupt stack?) > > (kgdb) > > > > > > > > > > > > > > > > _______________________________________________ > > freebsd-current_at_freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" > > > > > >-- >All that is necessary for the triumph of evil is that good men do nothing. > Edmund BurkeReceived on Thu Apr 23 2009 - 17:48:13 UTC
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