NetBSD Problem Report #27056

Received: (qmail 7570 invoked by uid 605); 27 Sep 2004 18:47:32 -0000
Message-Id: <20040927184724.7A2D81A949E@castrovalva.Ivy.NET>
Date: Mon, 27 Sep 2004 14:47:24 -0400 (EDT)
From: carton@Ivy.NET
Reply-To: carton@Ivy.NET
Subject: 'target kcore' is broken on alpha
X-Send-Pr-Version: 3.95

>Number:         27056
>Category:       port-alpha
>Synopsis:       'target kcore' is broken on alpha
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-alpha-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Sep 27 18:48:00 +0000 2004
>Originator:     Miles Nordin
>Release:        NetBSD 2.0_BETA 2004-08-15
Le fascisme est la dictature ouverte de la bourgeoisie.
		-- Georg Dimitrov

System: NetBSD castrovalva 2.0_BETA NetBSD 2.0_BETA (CASTROVALVA-$Revision: 1.7 $) #1: Sat Sep 25 20:08:38 EDT 2004 carton@castrovalva:/scratch/src/sys/arch/alpha/compile/CASTROVALVA alpha
Architecture: alpha
Machine: alpha
(gdb) target kcore netbsd.5.core
panic: kernel %sassertion "%s" failed: file "%s", line %d
#0  0xfffffc00006f8ed8 in dumpsys ()
    at ../../../../arch/alpha/alpha/machdep.c:1226
1226            savectx(&dumppcb);
(gdb) bt
#0  0xfffffc00006f8ed8 in dumpsys ()
    at ../../../../arch/alpha/alpha/machdep.c:1226
#1  0xfffffc00006f8b68 in cpu_reboot (howto=0, bootstr=0x0)
    at ../../../../arch/alpha/alpha/machdep.c:1047
#2  0xfffffc0000539dc8 in db_sync_cmd (addr=0, have_addr=0, count=0, modif=0x0)
    at ../../../../ddb/db_command.c:750
#3  0xfffffc00005393e8 in db_command (last_cmdp=0xfffffc00008d0170,
    cmd_table=0xfffffc00008d0178) at ../../../../ddb/db_command.c:464
#4  0xfffffc0000538f4c in db_command_loop ()
    at ../../../../ddb/db_command.c:255
#5  0xfffffc000053d9dc in db_trap (type=0, code=0)
    at ../../../../ddb/db_trap.c:101
#6  0xfffffc0000707628 in ddb_trap (a0=1, a1=0, a2=0, entry=3, regs=0x0)
    at ../../../../arch/alpha/alpha/db_interface.c:211
#7  0xfffffc0000300194 in inc6 () at ../../../../arch/alpha/alpha/debug.s:50
#8  0xfffffc00007000d4 in trap (a0=1, a1=18446740783697495032,
    a2=18446739675672687232, entry=3, framep=0xfffffe000ee2d138)
    at ../../../../arch/alpha/alpha/trap.c:331
#9  0xfffffc00003003a4 in XentIF ()
    at ../../../../arch/alpha/alpha/locore.s:461
#10 0xfffffc000059c408 in panic (
    fmt=0xfffffc000088e2f0 "kernel %sassertion \"%s\" failed: file \"%s\", line\
 %d") at ../../../../kern/subr_prf.c:226
can not access 0xfffffffd, invalid translation (invalid L1 PTE)
can not access 0xfffffffd, invalid translation (invalid L1 PTE)
Cannot access memory at address 0xfffffffffffffffd

I can't do the per-process backtrace either:

$ ps -ax -O paddr -M netbsd.5.core | grep ping6
1174 fffffc000e8a0298 C0 RW+  0:00.00 (ping6)
$ fg
(gdb) proc 0xfffffc000e8a0298
can not access 0x0, invalid kernel virtual address
can not access 0x0, invalid kernel virtual address
cannot read pcb at 0

not sure if it's just me, because here:

someone is using 'target kcore' on 2.0_BETA 2004-04-03.



NetBSD Home
NetBSD PR Database Search

(Contact us) $NetBSD: query-full-pr,v 1.39 2013/11/01 18:47:49 spz Exp $
$NetBSD:,v 1.8 2006/05/07 09:23:38 tsutsui Exp $
Copyright © 1994-2007 The NetBSD Foundation, Inc. ALL RIGHTS RESERVED.