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[PLUG] Mysterious system freeze
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Occasionally in the past three months, my primary Linux workstation
(sol), will, for no apparent reason, stop functioning.
It would stop responding to commands, not start new logins, xterms, or
shells and eventually I would have to press the reset button or power
off. It might do this once every two weeks or so (quite infrequently).
Friday, it went one step further and simply "froze" No mouse movement,
no keyboard input - cannot even switch to a VC. I tried to ssh to the
workstation from another computer to look at the logs but there was no
reponse. It would not even respond to a "ping".
Dmesg appears to only hold current information. The (I hope) relevant
portion of /var/log/messages is at the bottom of this message. Note
the odd time shift (syslogd restarts 37 minutes BEFORE the prevous
crontab entry :-P )
One thing I do notice is that in the reboot process the reiser fsck
finds a number of things to correct:
> clm-6006: writing inode 7644 on readonly FS
> clm-6006: writing inode 7644 on readonly FS
> clm-6006: writing inode 7644 on readonly FS
> clm-6006: writing inode 7644 on readonly FS
> clm-6006: writing inode 7644 on readonly FS
etc. (about 300+ times).
(This is also visible in the /var/log/messages snippet below.)
I don't know if that is a problem, or the result of the problem.
The system is SuSE 7.3 with some upgrades from Yast Online Update. It's
a 800 MHz Athlon system with 256 Meg RAM. It runs on a three year old
Fujitsu 18 GB SCSI hard drive divided up like this (in relevant part):
[eric@sol eric]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda6 5.6G 4.4G 1.2G 78% /
/dev/sda2 23M 3.9M 17M 18% /boot
/dev/sda7 5.5G 3.1G 2.1G 59% /home
shmfs 125M 0 124M 0% /dev/shm
Any help/suggestions/hints are appreciated.
Eric
--------------- portion of /var/log/messages follows --------------
Apr 11 21:41:47 sol PAM-unix2[9477]: session started for user eric, service xdm
Apr 11 21:50:00 sol /USR/SBIN/CRON[12698]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 21:59:00 sol /USR/SBIN/CRON[12710]: (root) CMD ( rm -f /var/spool/cron/lastrun/cron.hourly)
Apr 11 22:00:00 sol /USR/SBIN/CRON[12715]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 22:10:00 sol /USR/SBIN/CRON[12758]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 22:20:01 sol /USR/SBIN/CRON[12816]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 22:30:00 sol /USR/SBIN/CRON[12876]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 22:40:00 sol /USR/SBIN/CRON[12938]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 22:03:06 sol syslogd 1.4.1: restart.
Apr 11 22:03:09 sol webmin[343]: Webmin starting
Apr 11 22:03:11 sol kernel: klogd 1.4.1, log source = /proc/kmsg started.
Apr 11 22:03:11 sol kernel: Inspecting /boot/System.map-2.4.10-4GB
Apr 11 22:03:11 sol kernel: Loaded 11709 symbols from /boot/System.map-2.4.10-4GB.
Apr 11 22:03:11 sol kernel: Symbols match kernel version 2.4.10.
Apr 11 22:03:11 sol kernel: Loaded 439 symbols from 13 modules.
Apr 11 22:03:11 sol kernel: g inode 7644 on readonly FS
Apr 11 22:03:11 sol kernel: clm-6006: writing inode 7644 on readonly FS
Apr 11 22:03:11 sol last message repeated 234 times
Apr 11 22:03:11 sol kernel: clm-6005: writing inode 7644 on readonly FS
Apr 11 22:03:11 sol kernel: clm-6006: writing inode 7644 on readonly FS
Apr 11 22:03:11 sol last message repeated 110 times
Apr 11 22:03:11 sol kernel: clm-6005: writing inode 7644 on readonly FS
Apr 11 22:03:11 sol kernel: ip_tables: (c)2000 Netfilter core team
Apr 11 22:03:11 sol kernel: ip_conntrack (2047 buckets, 16376 max)
Apr 11 22:03:11 sol kernel: PCI: Found IRQ 10 for device 00:09.0
Apr 11 22:03:11 sol kernel: 3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
Apr 11 22:03:11 sol kernel: 00:09.0: 3Com PCI 3c905B Cyclone 100baseTx at 0xdc00. Vers LK1.1.16
Apr 11 22:03:11 sol kernel: IPv6 v0.8 for NET4.0
Apr 11 22:03:11 sol kernel: IPv6 over IPv4 tunneling driver
Apr 11 22:03:16 sol kernel: eth0: no IPv6 routers present
Apr 11 22:03:41 sol /usr/sbin/cron[778]: (CRON) STARTUP (fork ok)
Apr 11 22:03:45 sol kernel: isapnp: Scanning for PnP cards...
Apr 11 22:03:45 sol kernel: isapnp: Calling quirk for 01:00
Apr 11 22:03:45 sol kernel: isapnp: SB audio device quirk - increasing port range
Apr 11 22:03:45 sol kernel: isapnp: Card 'Creative ViBRA16X PnP'
Apr 11 22:03:45 sol kernel: isapnp: 1 Plug & Play card detected total
Apr 11 22:03:50 sol kernel: nvidia: loading NVIDIA Linux x86 NVdriver Kernel Module 1.0-3123 Tue Aug 27 15:56:48 PDT 2002
Apr 11 22:03:51 sol kernel: Linux agpgart interface v0.99 (c) Jeff Hartmann
Apr 11 22:03:51 sol kernel: agpgart: Maximum main memory to use for agp memory: 203M
Apr 11 22:03:51 sol kernel: agpgart: Detected Via Apollo Pro KT133 chipset
Apr 11 22:03:51 sol kernel: agpgart: AGP aperture is 64M @ 0xd0000000
Apr 11 22:03:51 sol kernel: NVRM: AGPGART: VIA Apollo KT133 chipset
Apr 11 22:03:51 sol kernel: NVRM: AGPGART: aperture: 64M @ 0xd0000000
Apr 11 22:03:51 sol kernel: NVRM: AGPGART: aperture mapped from 0xd0000000 to 0xd3adf000
Apr 11 22:03:51 sol kernel: NVRM: AGPGART: mode 2x
Apr 11 22:03:51 sol kernel: NVRM: AGPGART: allocated 16 pages
Apr 11 22:03:56 sol kernel: Switching off penguin.
Apr 11 22:08:33 sol kdm[906]: Abnormal helper termination, code 1, signal 0
Apr 11 22:08:33 sol kdm[906]: fatal IO error 32 (Broken pipe)
Apr 11 22:08:33 sol kernel: NVRM: AGPGART: freed 16 pages
Apr 11 22:08:33 sol kernel: NVRM: AGPGART: backend released
Apr 11 22:08:34 sol kernel: NVRM: AGPGART: VIA Apollo KT133 chipset
Apr 11 22:08:34 sol kernel: NVRM: AGPGART: aperture: 64M @ 0xd0000000
Apr 11 22:08:34 sol kernel: NVRM: AGPGART: aperture mapped from 0xd0000000 to 0xd3adf000
Apr 11 22:08:34 sol kernel: NVRM: AGPGART: mode 2x
Apr 11 22:08:34 sol kernel: NVRM: AGPGART: allocated 16 pages
Apr 11 22:10:00 sol /USR/SBIN/CRON[1054]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 22:20:00 sol /USR/SBIN/CRON[1085]: (root) CMD ( /usr/lib/sa/sa1 )
Apr 11 22:30:00 sol /USR/SBIN/CRON[1093]: (root) CMD ( /usr/lib/sa/sa1 )
--
------------------------------------------------------------------------
# Eric Lucas
========================================================================
Potentially, a government is the most dangerous threat to man's rights;
it holds a legal monopoly on the use of physical force against legally
disarmed victims. When unlimited and unrestricted by individual rights,
a government is man's deadliest enemy. It is not as protection against
private actions, but against governmental actions that the Bill of
Rights was written.
-- Ayn Rand, The Virtue of Selfishness [1964]
_________________________________________________________________________
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