you can use addr2line to get info, but at a pinch you can just use nm -n to figure out what function each address is in.
On Sun, 14 Jul 2002, Szilveszter Adam wrote: > Hello everybody, > > I have recently finished to upgrade my system to today morning's > -CURRENT, with sources just *before* the commit of rev 1.154 to > src/sys/kern/kern_fork.c by Julian. > > I have an UP IA32 machine, I am not using any additional kernel modules, > and now, upon rebooting with the new kernel, as soon as I allow to > continue from the loader prompt, the kernel greets me with this: > > (No serial console, transcribed by hand, please excuse any typos) > > Fatal trap 12: page fault within kernel mode > > fault virtual address = 0xbff004c0 > fault code = supervisor read, protection violation > instruction pointer = 0x8:0xc035c348 > stack pointer = 0x10:0xc0532c08 > frame pointer = 0x10:0xc0532c10 > 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 () > > kernel: type 12 trap, code=0 > Stopped at 0xc035c348: cmpl $0,0xbfc00000(%eax) > > Unfortunately, there is preciously little I could extract from ddb after > this. > > ddb> ps > pid proc addr uid ppid pgrp flag stat wmesg wchan cmd > 0 c03f00c0 c0530000 0 0 0 000000 New > > ddb> tr > (null)(c0418920,c0800000,537000,c0532d48,c03595bd) at 0xc035c348 > (null)(537000,0,c0532c9c,c0532ce8,10) at 0xc035c290 > (null)(537000,c0352524,f,0,8) at 0xc03595bd > (null)(537000) at 0xc0359fb9 > (null)() at 0xc0130c7d > > An attempt to "show locks" resulted in: > > witness_list: witness_cold > > Fatal trap 3 breakpoint instruction fault while in kernel mode > > An attempt to "show witness" resulted in: > > witness_display: witness_cold > > Uptime 1s > and a complete lockup, only a power-cycle helped. > > No dump was taken. > > Does this ring a bell with anyone? I know that the trace may not help > much... > > I will be just too glad to offer any information or testing that may be > needed. > > -- > Regards: > > Szilveszter ADAM > Szombathely Hungary > > To Unsubscribe: send mail to [EMAIL PROTECTED] > with "unsubscribe freebsd-current" in the body of the message > To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
