panic truss'ing linux ls

[Kip Macy]

yep. Right now I'm just trying to get my Xi Graphics X server running,
trouble is it relies on FreeBSD 3 compatibility.

On Sun, 9 Nov 2003, Matthew Dillon wrote:

>
> :...
> :so I tried trussing it. Same panic. It looks like I may be to blame as
> :it is dying in elf_putfiles, which is code added to core dump for
> :checkpointing. I'll see if it is anything obvious.
>
>     Hmm.  Either fp->f_data is NULL or vp->v_mount is NULL on line
>     1256 of imgact_elf.c.
>
>
> 					-Matt
>
> :> #6  0xc0174e2b in elf_putfiles (p=0xcdd5fc40, dst=0xce148000, off=0xce601a14)
> :>     at /home/source/dragonfly/src/sys/kern/imgact_elf.c:1256
> :> #7  0xc0174bb3 in elf_puthdr (p=0xcdd5fc40, dst=0xce148000, off=0xce601a14, status=0xc7c91d10,
> :>     fpregset=0xc7c91d78, psinfo=0xc7c91e28, numsegs=10)
> :...
> :> (kgdb) info locals
> :> off = (int *) 0xce601a14
> :> i = 3
> :> cfh = (struct ckpt_filehdr *) 0xce148f60
> :> cfi = (struct ckpt_fileinfo *) 0x0
> :> fp = (struct file *) 0x0
> :> vp = (struct vnode *) 0x0
>
>     These may not be accurate due to compiler optimizations.  In fact, fp
>     cannot be NULL because the other cfi-> assignments succeeded prior to
>     the fatal trap.
>
>     You need to dereference p->p_fd->fd_ofiles[i] to get an accurate fp
>     and from there you can figure out what is going on.
>
> 					-Matt
> 					Matthew Dillon
> 					<dillon at xxxxxxxxxxxxx>
>