On Mon, Jun 09, 2003 at 03:13:24AM -0400, Donn Miller wrote:

> Please see the attached gdb file.  I get this panic if I have a samba 
> filesystem mounted via mount_smbfs, where an iso file resides.  When I 
> try to use mdconfig on the file, I get an immediate panic.  The exact 
> mdconfig command issued is:
> 
> mount -a -t vnode -f /smbfs/sol-9-u3-x86-v1.iso -u 0

Try this patch and let me know whether it works. It seems to fix the problem
for me, but it still panics if I try to reboot the machine without running
mdconfig -d first.

--- sys/netsmb/smb_iod.c.orig   Mon Jun  9 20:36:56 2003
+++ sys/netsmb/smb_iod.c        Mon Jun  9 20:36:27 2003
@@ -400,7 +400,8 @@
        int error;
 
        SMBIODEBUG("\n");
-       if (rqp->sr_cred->scr_td->td_proc == iod->iod_p) {
+       if (rqp->sr_cred->scr_td != NULL &&
+           rqp->sr_cred->scr_td->td_proc == iod->iod_p) {
                rqp->sr_flags |= SMBR_INTERNAL;
                SMB_IOD_RQLOCK(iod);
                TAILQ_INSERT_HEAD(&iod->iod_rqlist, rqp, sr_link);
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