Re: Panic linux ldconfig with MUTEX_PROFILING

From: Jun Kuriyama <kuriyama_at_imgsrc.co.jp>
Date: Fri, 27 Jun 2003 19:14:32 +0900
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.
Received on Fri Jun 27 2003 - 01:14:35 UTC

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