NetBSD Problem Report #35502

From www@NetBSD.org  Sun Jan 28 00:35:44 2007
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Date: Sun, 28 Jan 2007 00:35:43 +0000 (UTC)
From: acruhl@gmail.com
Reply-To: acruhl@gmail.com
To: gnats-bugs@NetBSD.org
Subject: Kernel panic with 4.0_BETA2 on hpcmips NEC Mobilepro 880
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>Number:         35502
>Category:       port-hpcmips
>Synopsis:       Kernel panic with 4.0_BETA2 on hpcmips NEC Mobilepro 880
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-hpcmips-maintainer
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 28 00:40:00 +0000 2007
>Closed-Date:    Sun Jan 23 02:37:14 +0000 2011
>Last-Modified:  Sun Jan 23 02:37:14 +0000 2011
>Originator:     Andy Ruhl
>Release:        4.0_BETA2
>Organization:
>Environment:
Not possible, machine won't boot. GENERIC kernel on NEC Mobilepro880 which is hpcmips based. Code is 4.0_BETA2
>Description:
On boot, the kernel panics before it finishes loading. These are the last messages:

mqvideo0: framebuffer address: 0xaa0ea600
trap: TLB miss (load or instr. fetch) in kernel mode
status=0x2, cause=0x8008, epc=0x80297568, vaddr=0
pid=0 cmd=swapper usp=0x0 ksp=0x8037bac8
Stopped in pid 0.1 (swapper) at 0x80297568:   lwr   t3,a1,-4
db> bt
80297550+18 (8037bb60,109,0,101) ra 802370d0 sz 0
802370a0+30 (8037bb60,109,0,101) ra 80235af8 sz 40
80235704+3f4 (8037bb60,109,0,101) ra 0 sz 0
User-level: pid 0.1
db>
>How-To-Repeat:
Boot a GENERIC kernel on an NEC Mobilepro 880. The gxemul emulator will not reproduce this problem.
>Fix:
Recompile the kernel after commenting out these lines:

##mqvideo*      at vr4102ip? addr 0x0a000000 size 0x800000      # MQ200 video
##hpcfb*                at      mqvideo?

>Release-Note:

>Audit-Trail:

State-Changed-From-To: open->closed
State-Changed-By: tsutsui@NetBSD.org
State-Changed-When: Sun, 23 Jan 2011 11:37:14 +0900
State-Changed-Why:
Fixed in mq200machdep.c rev 1.5.


>Unformatted:

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