Subject: port-sparc64/34824: ddb(4) stack trace is broken
To: None <port-sparc64-maintainer@netbsd.org, gnats-admin@netbsd.org,>
From: None <itohy@netbsd.org>
List: netbsd-bugs
Date: 10/15/2006 06:10:00
>Number: 34824
>Category: port-sparc64
>Synopsis: ddb(4) stack trace is broken
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: port-sparc64-maintainer
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Oct 15 06:10:00 +0000 2006
>Originator: ITOH Yasufumi
>Release: NetBSD 4.99.3 (Oct 13, 2006)
>Organization:
>Environment:
System: NetBSD su3.my.domain 4.99.3 NetBSD 4.99.3 (SU3) #77: Sun Oct 15 13:15:04 JST 2006 itohy@su3.my.domain:/remote/pino.w/src/sys/arch/sparc64/compile/SU3 sparc64
Architecture: sparc64
Machine: sparc64
>Description:
Stack trace printing of ddb(4) kernel debugger is broken.
>How-To-Repeat:
Enter ddb by Debugger();
cpu0: kdb breakpoint at 13e02cc
Stopped in pid 0.1 (swapper) at netbsd:cpu_Debugger+0x4: nop
db> t
db> t
db> trace
db> bt
db> ps
PID PPID PGRP UID S FLAGS LWPS COMMAND WAIT
5 0 0 0 2 0x20200 1 cryptoret crypto_
4 0 0 0 2 0x20200 1 cardslot0 cardslo
3 0 0 0 2 0x20200 1 scsibus0 sccomp
2 0 0 0 2 0x20200 1 sysmon smtaskq
1 0 0 0 2 0x20000 1 init initexe
>0 -1 0 0 2 0x20200 1 swapper
db> reboot
syncing disks... done
unmounting file systems... done
rebooting
Resetting ...
>Fix:
Unknown.