Date: Thu, 11 Apr 1996 10:46:37 -0400 (EDT) From: "Marc G. Fournier" <scrappy@ki.net> To: stable@freebsd.org Subject: PR: panic: invalid kernel page directory Message-ID: <Pine.BSI.3.92.960411104525.3471E-100000@freebsd.ki.net>
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Hi...
Just added this PR to the database...
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To: FreeBSD-gnats-submit@freebsd.org
Subject:
From: scrappy
Reply-To: scrappy
X-send-pr-version: 3.2
>Submitter-Id: current-users
>Originator: Marc G. Fournier
>Organization: <Organization of PR author (multiple lines)>
>Confidential: no
>Synopsis: panic: invalid kernel page directory
>Severity: critical
>Priority: high
>Category: kern
>Release: FreeBSD 2.1-STABLE i386
>Class: sw-bug
>Environment:
FreeBSD 2.1-STABLE #5: Tue Mar 26 14:40:09 EST 1996
scrappy@ki.net:/usr/src/sys/compile/kinet
CPU: i486 DX4 (486-class CPU)
Origin = "GenuineIntel" Id = 0x480 Stepping=0
Features=0x3<FPU,VME>
real memory = 16777216 (16384K bytes)
avail memory = 14692352 (14348K bytes)
Probing for devices on PCI bus 0:
chip0 <SiS 85c496> rev 49 on pci0:5
ncr0 <ncr 53c810 scsi> rev 2 int a irq 12 on pci0:11
ncr0 waiting for scsi devices to settle
(ncr0:0:0): "QUANTUM FIREBALL1280S 630C" type 0 fixed SCSI 2
sd0(ncr0:0:0): Direct-Access
sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
1222MB (2503872 512 byte sectors)
(ncr0:1:0): "QUANTUM LPS340S 020B" type 0 fixed SCSI 2
sd1(ncr0:1:0): Direct-Access
sd1(ncr0:1:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
327MB (670506 512 byte sectors)
(ncr0:2:0): "QUANTUM LP240S GM240S01X 4.6" type 0 fixed SCSI 2
sd2(ncr0:2:0): Direct-Access
sd2(ncr0:2:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
234MB (479350 512 byte sectors)
(ncr0:3:0): "CONNER CFP1060S 1.05GB 243F" type 0 fixed SCSI 2
sd3(ncr0:3:0): Direct-Access
sd3(ncr0:3:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
1013MB (2074880 512 byte sectors)
vga0 <VGA-compatible display device> rev 0 on pci0:15
Probing for devices on the ISA bus:
ed0 at 0x280-0x29f irq 5 maddr 0xd8000 msize 16384 on isa
ed0: address 00:00:c0:86:44:79, type WD8013EPC (16 bit)
vt0 at 0x60-0x6f irq 1 on motherboard
vt0: generic, 80 col, color, 8 scr, mf2-kbd, [R3.20-b24]
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
aha0 not found at 0x330
ep0 not found at 0x300
npx0 on motherboard
npx0: INT 16 interface
>Description:
No savecore core is available for debuggging...haven't been able to
get one out of -stable for months now ;(
Prior to dropping to DDB, this error message was sent to the console:
kernel page directory invalid pdir = 0x7b1063, va = 0xc000
DDB Trace/Output:
Debugger+0x2b
panic+0x3b
pmap_enter+0x73
vm_fault+0xf43
vm_fault_wire+0xe4
vm_map_pageable+0x26a
vslock+0x2d
sysctl+0x18a
syscall+0xf3
Xsyscall+0x2b
--- syscall 202, eip = 0x8071515, ebp = 0xefbfdcb0
>How-To-Repeat:
<Code/input/activities to reproduce the problem (multiple lines)>
>Fix:
<How to correct or work around the problem, if known (multiple lines)>
Marc G. Fournier scrappy@ki.net
Systems Administrator @ ki.net scrappy@freebsd.org
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