Subject: Re: SCSI failures with -current kernel
To: Manuel Bouyer <>
From: Dan Debertin <>
List: current-users
Date: 06/24/2001 15:36:48
On Sun, 24 Jun 2001, Manuel Bouyer wrote:

> Could you try to disable tagged queuing ?
> Just comment out
> 	if ((ti->flags & (T_RSELECTOFF|T_TAG)) == T_TAG)
> 		xm.xm_mode |= PERIPH_CAP_TQING;

That caused a panic:

javelin:/var/crash# gdb
GNU gdb 4.17
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
welcome to change it and/or distribute copies of it under certain
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
This GDB was configured as "sparc--netbsd".
(gdb) file netbsd.3
Reading symbols from netbsd.3...(no debugging symbols found)...done.
(gdb) target kcore netbsd.3.core
panic: kernel fault
#0  0xf0041624 in mi_switch ()
(gdb) bt
#0  0xf0041624 in mi_switch ()
#1  0xf004162c in mi_switch ()
#2  0xf0040e70 in ltsleep ()
#3  0xf017cee4 in uvm_aiodone_daemon ()

Dan Debertin