Panic linux ldconfig with MUTEX_PROFILING
Jun Kuriyama
kuriyama at imgsrc.co.jp
Fri Jun 27 03:14:35 PDT 2003
At Fri, 27 Jun 2003 09:37:40 +0000 (UTC),
kuriyama wrote:
> (kgdb) l *linux_brk+0x1a
> 0xc19d24ca is in linux_brk (/.a/black/host/disk/arena/home/kuriyama/ncvs/src/sys/compat/linux/linux_misc.c:217).
> 212
> 213 #ifdef DEBUG
> 214 if (ldebug(brk))
> 215 printf(ARGS(brk, "%p"), (void *)args->dsend);
> 216 #endif
> 217 old = (vm_offset_t)vm->vm_daddr + ctob(vm->vm_dsize);
> 218 new = (vm_offset_t)args->dsend;
> 219 tmp.nsize = (char *) new;
> 220 if (((caddr_t)new > vm->vm_daddr) && !obreak(td, &tmp))
> 221 td->td_retval[0] = (long)new;
I've checked via printf debugging. It seems "vm" is NULL at line
217. So NULL is from td->td_proc->p_vmspace.
205 linux_brk(struct thread *td, struct linux_brk_args *args)
206 {
207 struct vmspace *vm = td->td_proc->p_vmspace;
--
Jun Kuriyama <kuriyama at imgsrc.co.jp> // IMG SRC, Inc.
More information about the freebsd-current
mailing list