Date: Tue, 10 Nov 1998 01:48:09 -0800 (PST) From: rampa@elet.polimi.it To: freebsd-gnats-submit@FreeBSD.ORG Subject: kern/8641: FreeBSD crashes when global memory allocation is larger than the physical memory dimension Message-ID: <199811100948.BAA02811@hub.freebsd.org>
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>Number: 8641
>Category: kern
>Synopsis: FreeBSD crashes when global memory allocation is larger than the physical memory dimension
>Confidential: no
>Severity: critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue Nov 10 01:50:00 PST 1998
>Last-Modified:
>Originator: Vittorio Rampa
>Organization:
C.S.T.S. - C.N.R. - Politecnico di Milano - Milano - Italy
>Release: 2.2.6-RELEASE
>Environment:
FreeBSD neptune.elet.polimi.it 2.2.6-RELEASE FreeBSD 2.2.6-RELEASE #0: Fri Jun 26 18:57:02 CE
ST 1998 root@neptune.elet.polimi.it:/usr/src/sys/compile/NEPTUNE i386
>Description:
The system is composed by:
-ASUS P2B Motherboard with 384 MB SDRAM PC100 and a Pentium II 400MHz;
-)Adaptec 2940UW with:
-)4 UW SCSI IBM disks 9GB DDRS-39130W (id:1,2,3,4);
-)1 UW SCSI IBM disk 4GB DCAS-34330W (id:0);
-)1 Exabyte SCSI 4/8 GB EXB-85058HE-0000 (id:5);
-)Etherexpress Pro10 plus;
-)S3 ViRGE/DX 4MB
>How-To-Repeat:
>Fix:
>Audit-Trail:
>Unformatted:
>X -probeonly
XFree86 Version 3.3.2
Configured drivers:
S3V: accelerated server for S3 graphics adaptors (Patchlevel 0)
s3_ViRGE
Using syscons driver with X support (version 2.0)
(using VT number 1)
>swapinfo
Device 1K-blocks Used Avail Capacity Type
/dev/sd0s1b 1048576 6440 1042072 1% Interleaved
>more /sys/i386/conf/NEPTUNE
#
# NEPTUNE -- machine with AHx family disks
#
# For more information read the handbook part System Administration ->
# Configuring the FreeBSD Kernel -> The Configuration File.
# The handbook is available in /usr/share/doc/handbook or online as
# latest version from the FreeBSD World Wide Web server
# <URL:http://www.FreeBSD.ORG/>;
#
# An exhaustive list of options and more detailed explanations of the
# device lines is present in the ./LINT configuration file. If you are
# in doubt as to the purpose or necessity of a line, check first in LINT.
#
# $Id: GENERIC,v 1.77.2.22 1998/03/24 01:20:14 jkh Exp $
machine "i386"
cpu "I686_CPU"
ident NEPTUNE
maxusers 20
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options NFS #Network Filesystem
options MSDOSFS #MSDOS Filesystem
options "CD9660" #ISO 9660 Filesystem
options PROCFS #Process filesystem
options "COMPAT_43" #Compatible with BSD 4.3 [KEEP THIS!]
options SCSI_DELAY=15 #Be pessimistic about Joe SCSI device
options BOUNCE_BUFFERS #include support for DMA bounce buffers
options UCONSOLE #Allow users to grab the console
options XSERVER #support for X server
options FAILSAFE #Be conservative
options QUOTA #Activate quota check
options PERFMON #Performance monitor
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options SYSVSHM #System V shared memory emulation
options SYSVSEM #System V semaphore emulation
options SYSVMSG #System V message emulation
options SCSI_REPORT_GEOMETRY #Report SCSI geometry at boot
options "MAXCONS=8" #Enable 8 virtual consoles
options KTRACE #kernel tracing
options DDB #kernel debugging
config kernel root on sd0
controller isa0
controller eisa0
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
controller ahc0
controller scbus0
device sd0
device od0 #See LINT for possible `od' options.
device st0
device cd0 #Only need one of these, the code dynamically grows
# syscons is the default console driver, resembling an SCO console
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
device npx0 at isa? port "IO_NPX" flags 0x1 irq 13 vector npxintr
device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr
device sio1 at isa? port "IO_COM2" tty irq 3 vector siointr
device lpt0 at isa? port? tty irq 7 vector lptintr
device psm0 at isa? port "IO_KBD" conflicts tty irq 12 vector psmintr
device fxp0
device vx0
pseudo-device loop
pseudo-device speaker
pseudo-device ether
pseudo-device log
pseudo-device pty 32
pseudo-device gzip # Exec gzipped a.out's
>dmesg
Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 2.2.6-RELEASE #0: Fri Jun 26 18:57:02 CEST 1998
root@neptune.elet.polimi.it:/usr/src/sys/compile/NEPTUNE
CPU: Pentium Pro (400.91-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x651 Stepping=1
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,<b16>,<b17>,MMX
,<b24>>
real memory = 402653184 (393216K bytes)
avail memory = 392269824 (383076K bytes)
Probing for devices on PCI bus 0:
chip0 <generic PCI bridge (vendor=8086 device=7190 subclass=0)> rev 2 on pci0:0:0
chip1 <generic PCI bridge (vendor=8086 device=7191 subclass=4)> rev 2 on pci0:1:0
chip2 <Intel 82371AB PCI-ISA bridge> rev 2 on pci0:4:0
chip3 <Intel 82371AB IDE interface> rev 1 on pci0:4:1
chip4 <Intel 82371AB USB interface> rev 1 int d irq ?? on pci0:4:2
chip5 <Intel 82371AB Power management controller> rev 2 on pci0:4:3
vga0 <VGA-compatible display device> rev 1 int a irq 15 on pci0:9:0
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 1 int a irq 10 on pci0:10:0
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0 waiting for scsi devices to settle
(ahc0:0:0): "IBM DCAS-34330W S65A" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd0(ahc0:0:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
(ahc0:1:0): "IBM DDRS-39130W S92A" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 8715MB (17850000 512 byte sectors)
sd1(ahc0:1:0): with 8387 cyls, 10 heads, and an average 212 sectors/track
(ahc0:2:0): "IBM DDRS-39130W S92A" type 0 fixed SCSI 2
sd2(ahc0:2:0): Direct-Access 8715MB (17850000 512 byte sectors)
sd2(ahc0:2:0): with 8387 cyls, 10 heads, and an average 212 sectors/track
(ahc0:3:0): "IBM DDRS-39130W S92A" type 0 fixed SCSI 2
sd3(ahc0:3:0): Direct-Access 8715MB (17850000 512 byte sectors)
sd3(ahc0:3:0): with 8387 cyls, 10 heads, and an average 212 sectors/track
(ahc0:4:0): "IBM DDRS-39130W S92A" type 0 fixed SCSI 2
sd4(ahc0:4:0): Direct-Access 8715MB (17850000 512 byte sectors)
sd4(ahc0:4:0): with 8387 cyls, 10 heads, and an average 212 sectors/track
(ahc0:5:0): "EXABYTE EXB-85058HE-0000 0108" type 1 removable SCSI 2
st0(ahc0:5:0): Sequential-Access density code 0x0, drive empty
fxp0 <Intel EtherExpress Pro 10/100B Ethernet> rev 1 int a irq 11 on pci0:11:0
fxp0: Ethernet address 00:a0:c9:10:66:40, 10Mbps
Probing for devices on PCI bus 1:
Probing for devices on the ISA bus:
sc0 at 0x
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