NetBSD Problem Report #39388

From www@NetBSD.org  Wed Aug 20 15:13:00 2008
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Date: Wed, 20 Aug 2008 15:12:59 +0000 (UTC)
From: payphoneed@gmail.com
Reply-To: payphoneed@gmail.com
To: gnats-bugs@NetBSD.org
Subject: NetBSD/mac68k DDB uselessness
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>Number:         39388
>Category:       port-mac68k
>Synopsis:       NetBSD/mac68k DDB uselessness
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    nat
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Aug 20 15:15:00 +0000 2008
>Closed-Date:    Sun Nov 12 08:58:19 +0000 2023
>Last-Modified:  Sun Nov 12 08:58:19 +0000 2023
>Originator:     Ed
>Release:        NetBSD/mac68k 4.99.72
>Organization:
None
>Environment:
Apple Macintosh Centris 660AV
>Description:
DDB has some rather serious faults on NetBSD/mac68k.

1. Within the debugger, the backtrace is completely useless. All it shows is "cpu_debugger" and nothing prior.

2. Upon attempting to exit the debugger by issuing a continue command, the debugger _will_ exit, but upon pressing enter twice to attempt to retrieve the shell prompt, the system will promptly panic with an Illegal Instruction trap within the kernel.
>How-To-Repeat:

>Fix:

>Release-Note:

>Audit-Trail:
From: Martin Husemann <martin@duskware.de>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: port-mac68k/39388: NetBSD/mac68k DDB uselessness
Date: Wed, 20 Aug 2008 22:32:16 +0200

 Works for me:

 ~] root@mac-beth # uname -a
 NetBSD mac-beth.duskware.de 4.99.72 NetBSD 4.99.72 (MAC-BETH) #49: Fri Aug 15 23:25:42 CEST 2008  martin@night-porter.duskware.de:/usr/src/sys/arch/mac68k/compile/MAC-BETH mac68k
 [~] root@mac-beth # ~Stopped in pid 0.2 (system) at  netbsd:cpu_Debugger+0x6:        unlk    a6
 db> bt         
 cpu_Debugger(8,2,d649e,4649c14,4649c08) + 6
 zstty_stint(4649c14,0) + 146               
 zsc_intr_hard(4649c08,1,1dd388,464ef4c,184a44) + 106
 zshard(4649c08) + 12                                
 psc_lev4_intr(0,464efa8,3380,70,0) + 5c
 intr_dispatch(70) + 4e                 
 intrhand(4667be0) + a 
 lwp_trampoline() + e 
 db> c               

 [~] root@mac-beth # 
 [~] root@mac-beth # 
 [~] root@mac-beth # 

 Please provide some hardware details (/var/run/dmesg.boot should do)

 Martin

Responsible-Changed-From-To: port-mac68k-maintainer->nat
Responsible-Changed-By: nat@NetBSD.org
Responsible-Changed-When: Sun, 12 Nov 2023 08:58:19 +0000
Responsible-Changed-Why:
Take.


State-Changed-From-To: open->closed
State-Changed-By: nat@NetBSD.org
State-Changed-When: Sun, 12 Nov 2023 08:58:19 +0000
State-Changed-Why:
Feedback timeout, no dmesg or further information has been provided.
As stated previously it works for Martin and it works for me.


>Unformatted:

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