NetBSD Problem Report #13078

Received: (qmail 28542 invoked from network); 1 Jun 2001 05:48:47 -0000
Message-Id: <20010601055030.1F6321110F@www.netbsd.org>
Date: Thu, 31 May 2001 22:50:30 -0700 (PDT)
From: sysadmin@alliedtours.com
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Reply-To: sysadmin@alliedtours.com
To: gnats-bugs@gnats.netbsd.org
Subject: Mac 68LC040 problem
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>Number:         13078
>Category:       port-mac68k
>Synopsis:       Mac 68LC040 problem
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-mac68k-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jun 01 05:49:00 +0000 2001
>Closed-Date:    
>Last-Modified:  Sun Jan 15 14:40:45 +0000 2006
>Originator:     andrew
>Release:        1.5
>Organization:
>Environment:
NetBSD 1.5 NetBSD 1.5 (GENERIC) #0: Sun Nov 19 14:20:10 PST 2000 root2@c610:/usr/cvs/src/sys/arch/mac68k/compile/GENERIC mac68k
>Description:
Major problems with mac m68LC040
>How-To-Repeat:
Run NetBSD...  more specifically, "ls -la" "send-pr", some programs called by startup scripts, sometimes ifconfig crashes, just about everything does!
>Fix:
This problem was reported and supposedly fixed in the linux kernel.  Something to do with the bus.  I dont remember...
>Release-Note:
>Audit-Trail:


From: Juergen Hannken-Illjes <hannken@eis.cs.tu-bs.de>
To: sysadmin@alliedtours.com
Cc: gnats-bugs@gnats.netbsd.org
Subject: Re: port-mac68k/13078: Mac 68LC040 problem
Date: Fri, 1 Jun 2001 10:10:48 +0200 (MET DST)


 Looks like the 68LC040 F-Line error. From Motorola:

 
 Here is E4 for the 68LC040:

 
 E4-	If a write is pending on the 68LC040 and an F-line Unimplemented
 	Exception is taken, the pending write data may be lost.

 
 Workaround:  place a NOP before the F-line instruction

 
 -- 
 Juergen Hannken-Illjes - hannken@eis.cs.tu-bs.de - TU Braunschweig (Germany)
>Unformatted:

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