Date: Thu, 15 Jun 1995 23:12:12 -0400 (EDT) From: "Rashid Karimov." <rashid@haven.ios.com> To: hackers@freebsd.org Subject: 2.0.5R - misterious lockups (--MARK--?) Message-ID: <199506160312.XAA12350@haven.ios.com>
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Hi there folx,
After the joy of working QUOTAs in 205R came first
problem:
system periodically locks up under 25-30 users load
in very weird way:
- I have a root logged in on the console (just in case),
and when the system locks up , root can type commands on
the prompt ( w/o them being executed though) , switch the consoles,
and when you press Enter - the screen actually goes up. But
that's the only response you can get from the system
- telnet/ftp from remote hosts reply "connected" and just
sit there forever
- ping from remote hosts work just fine
- and ( The Mistery ) - there is strange message -- MARK --
in the /var/log/messages a few times before the system actually
stops accepting the connections ....
Any ideas ?
The system is P90 PCI/Bustec 946C/128M RAM/ 1+4 Gb Seagate Barracudas
Here comes the config file ( just in case )
-=-=-=-=-=-=-=-=-=
ne "i386"
cpu "I586_CPU"
ident "A32"
maxusers 100
options MATH_EMULATE #Support for x87 emulation
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
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 LARGEMEM # more than 64M
options QUOTA # QUOTAS
config kernel root on wd0
controller isa0
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
controller bt0 at isa? port "IO_BT0" bio irq ? vector btintr
controller scbus0
device sd0
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
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint
#options "PCVT_FREEBSD=210" # pcvt running on FreeBSD 2.1
#options XSERVER # include code for XFree86
device npx0 at isa? port "IO_NPX" 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 de0
device ep0 at isa? port 0x300 net irq 10 vector epintr
pseudo-device loop
pseudo-device ether
pseudo-device log
pseudo-device pty 128
pseudo-device speaker
pseudo-device vn
pseudo-device tun 1
68,1
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