NetBSD Problem Report #31080

From www@netbsd.org  Sat Aug 27 23:24:53 2005
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Date: Sat, 27 Aug 2005 23:24:53 +0000 (UTC)
From: multix@gmail.com
Reply-To: multix@gmail.com
To: gnats-bugs@netbsd.org
Subject: panic on kernel boot (mac IIci + cache card)
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>Number:         31080
>Category:       port-mac68k
>Synopsis:       panic on kernel boot (mac IIci + cache card)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    port-mac68k-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Aug 27 23:25:00 +0000 2005
>Last-Modified:  Sat Nov 12 16:52:14 +0000 2005
>Originator:     Riccardo
>Release:        3-current
>Organization:
>Environment:
>Description:
current netbsd 3 crashes eraly on kernel load with an MMU trap.

The machine is a Mac IIci, 72MB of ram, with FPU and L2 cache card..

an older kernel from June dos work though.
>How-To-Repeat:

>Fix:

>Release-Note:

>Audit-Trail:
From: Rui Paulo <rpaulo@NetBSD.org>
To: gnats-bugs@netbsd.org
Cc: port-mac68k-maintainer@netbsd.org, gnats-admin@netbsd.org,
	netbsd-bugs@netbsd.org, multix@gmail.com
Subject: Re: port-mac68k/31080: mmu trap on kernel boot
Date: Sun, 28 Aug 2005 00:57:37 +0100

 Can you please try to provide us with a traceback ? We can't do much without
 it.

 		-- Rui Paulo

From: Riccardo Mottola <multix@gmail.com>
To: Rui Paulo <rpaulo@netbsd.org>
Cc: gnats-bugs@netbsd.org, port-mac68k-maintainer@netbsd.org,
	gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: port-mac68k/31080: mmu trap on kernel boot
Date: Sun, 28 Aug 2005 09:47:44 +0200

 I will try, I need to type it out manially. apparently, different
 persons are experiencing MMU problems at different stages (see mac68k
 mailing list). I posted this to keep track of the problem so it
 doesn't get lost.

From: Riccardo Mottola <multix@gmail.com>
To: Rui Paulo <rpaulo@netbsd.org>
Cc: gnats-bugs@netbsd.org, port-mac68k-maintainer@netbsd.org,
	gnats-admin@netbsd.org, netbsd-bugs@netbsd.org
Subject: Re: port-mac68k/31080: mmu trap on kernel boot
Date: Sun, 28 Aug 2005 10:24:27 +0200

 I re-downloaded the kernel and set up serial console. Unfortunately
 the MMU bug did not reappear on startup. However it did when shutting
 down or rebooting the box. I hope other people can report their
 traces.

 Aug 28 10:18:30 frodo su: multix to root on /dev/ttyp0
 Aug 28 10:18:35 frodo reboot: rebooted by multix
 Aug 28 10:18:36 frodo syslogd: Exiting on signal 15
 syncing disks... done
 unmounting file systems... done
 rebooting...
 uvm_fault(0x26acf8, 0x3000, 0, 0x2) -> 0xe
   type 8, code [mmu,,ssw]: 802070d
 trap type 8, code =3D 0x802070d, v =3D 0x3af0
 kernel program counter =3D 0x47ff028
 kernel: MMU fault trap
 pid =3D 341, lid =3D 1, pc =3D 047FF028, ps =3D 2714, sfc =3D 1, dfc =3D 1
 Registers:
              0        1        2        3        4        5        6       7
 dreg: 00000808 00000000 0089AFB4 008547FC 00000200 00000000 00000000 00000000
 areg: 047FF000 40800000 0089AF44 00003AF0 FFFFBE00 007AA780 0089AE74 FFFFBDFC

 Kernel stack (047FF6E4):
 7FF6E4: 001F42DC 047FF760 00000080 0089AFB4 008547FC 00000200 00000000 00000000 7FF704: 00000000 0089AF44 00003AF0 FFFFBE00 007AA780 007A8A50 00000001 00000000
 7FF724: 00000000 00000000 00000001 00000000 00000000 00000008 00000000 00000000
 7FF744: 00000000 28874267 0089AE74 00003090 00000008 0802070D 00003AF0 00000808
 7FF764: 00000000 0089AFB4 008547FC 00000200 00000000 00000000 00000000 047FF000
 7FF784: 40800000 0089AF44 00003AF0 FFFFBE00 007AA780 0089AE74 FFFFBDFC 00000000
 7FF7A4: 2714047F F028B008 0EEE070D 43E90090 00003AF0 00003AF0 00000000 F0134000
 7FF7C4: 047FF030 047FF02E 047FF02C FFFFFFFF 4000FF0D 0002F24C 00000000 00182F2E
 7FF7E4: 00004000 00000000 20200000 047FF016 00020000 00000000 00003AF0 6DB6DB6D
 7FF804: B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB
 7FF824: 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6
 7FF844: DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D
 7FF864: B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB
 7FF884: 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6
 7FF8A4: DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D
 7FF8C4: B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB 6DB6DB6D B6DB6DB6 DB6DB6DB
 panic: MMU fault
 Stopped in pid 341.1 (reboot) at        netbsd:cpu_Debugger+0x6:
  unlk    a6
 db> bt
 cpu_Debugger(8022700,8,47ff760,47ff74c,1f42fc) + 6

 this happens with:
 NetBSD 3.0_BETA (GENERIC) #0: Sat Aug 13 15:53:37 UTC 2005
 =09builds@works.netbsd.org:/home/builds/ab/netbsd-3/mac68k/200508120000Z-ob=
 j/home/builds/ab/netbsd-3/src/sys/arch/mac68k/compile/GENERIC

 but I also had on disk another kernel and it too doesn't reboot properly:

 NetBSD 3.0_BETA (GENERIC) #0: Fri Jun 10 16:58:09 UTC 2005
 =09jmc@faith.netbsd.org:/home/builds/ab/netbsd-3/mac68k/200506090000Z-obj/h=
 ome/builds/ab/netbsd-3/src/sys/arch/mac68k/compile/GENERIC

 as a record the full kernel boot messages of the first kernel are:

 Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
     The NetBSD Foundation, Inc.  All rights reserved.
 Copyright (c) 1982, 1986, 1989, 1991, 1993
     The Regents of the University of California.  All rights reserved.

 NetBSD 3.0_BETA (GENERIC) #0: Sat Aug 13 15:53:37 UTC 2005
 =09builds@works.netbsd.org:/home/builds/ab/netbsd-3/mac68k/200508120000Z-ob=
 j/home/builds/ab/netbsd-3/src/sys/arch/mac68k/compile/GENERIC
 Apple Macintosh IIci  (68030)
 cpu: delay factor 266
 total memory =3D 73728 KB
 avail memory =3D 67596 KB
 mrg: 'Mac IIci/Q700 ROMs' ROM glue, tracing off, debug off, silent traps
 mainbus0 (root)
 obio0 at mainbus0
 adb0 at obio0
 asc0 at obio0: Apple Sound Chip
 iwm0 at obio0: Apple GCR floppy disk controller
 fd0 at iwm0 drive 0: (drive empty)
 ncrscsi0 at obio0 addr 0
 scsibus0 at ncrscsi0 channel 0: 8 targets, 8 luns per target
 zsc0 at obio0 chip type 0=20
 zsc0 channel 0: d_speed   9600 DCD clk 0 CTS clk 0
 zstty0 at zsc0 channel 0 (console i/o)
 zsc0 channel 1: d_speed   9600 DCD clk 0 CTS clk 0
 zstty1 at zsc0 channel 1
 nubus0 at mainbus0
 macvid0 at nubus0 slot c: SuperMac Spectrum/8 Series III v1.1
 macvid0: 1024 x 768, monochrome
 macfb0 at macvid0
 wsdisplay0 at macfb0 (kbdmux ignored)
 ae0 at nubus0 slot d: MacCon Ethernet, 16KB memory
 ae0: Ethernet address 00:00:94:03:d7:ae
 fpu0 at mainbus0 (mc68882)
 ae0: NIC memory corrupt - invalid packet length 65280
 adb0 (direct, II series): 2 targets
 aed0 at adb0 addr 0: ADB Event device
 akbd0 at adb0 addr 2: extended keyboard
 wskbd0 at akbd0 (mux ignored)
 ams0 at adb0 addr 3: 1-button, 100 dpi mouse
 wsmouse0 at ams0 (mux ignored)
 scsibus0: waiting 2 seconds for devices to settle...
 sd0 at scsibus0 target 0 lun 0: <IBM OEM, DFHSS2F, 4141> disk fixed
 sd0: 2150 MB, 4390 cyl, 8 head, 125 sec, 512 bytes/sect x 4404489 sectors
 boot device: sd0
 root on sd0a dumps on sd0b
 root file system type: ffs
 Sun Aug 28 10:16:16 UTC 2005
 swapctl: adding /dev/sd0b as swap device at priority 0
 Checking for botched superblock upgrades: done.
 Starting file system checks:
 /dev/rsd0a: file system is clean; not checking
 Setting tty flags.
 Setting sysctl variables:
 Starting network.
 Hostname: frodo
 IPv6 mode: host
 Configuring network interfaces: ae0.
 add net default: gateway 192.168.1.254
 Adding interface aliases:
 Building databases...
 Starting syslogd.
 Aug 28 10:16:52 frodo /netbsd: ae0: NIC memory corrupt - invalid
 packet length 65280
 Checking for core dump...
 savecore: no core dump
 Mounting all filesystems...
 Clearing /tmp.
 Creating a.out runtime link editor directory cache.
 Checking quotas: done.
 Starting virecover.
 Starting local daemons:.
 Updating motd.
 Starting sendmail.
 Starting inetd.
 Starting cron.
 Sun Aug 28 10:17:42 UTC 2005
 Aug 28 10:17:44 frodo getty[316]: /dev/ttyE0: Device not configured

 (interetsting to note that serial console didn't work, fortunately
 telnet did work).

>Unformatted:

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