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Old 05-01-2005, 03:18 AM   #1
<Ol>Origy
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Question RHL9 suddenly freezes on high CPU load


Linux isn't supposed to crash they say, eh?
Well anyway I would like to get some help on this problem I have with my RHL9 box. It has come to my attention that sometimes my RHL9 box stops responding out of the sudden. At first this happened only while I was away from the PC itself and you must know that I'm almost always away because I use my linux PC as a router + firewall for my internal network so if this PC dies, noone can access the internet. I only do occasional checks to see that everything is running smoothly.
When it dies I can usually tell by the internet not working and that my RHL9 screen remains black (or the last picture that was visible before the crash if the screen saver doesn't pop up or the monitor turns itself off) when I try to move the mouse.
This gets irritating if my PC freezes in the mid-week when I'm not at home so my family has to wait for me to come back and reset the things so that they can access the internet once more. But recently it has come to my attention that PC will freeze mostly when there is high CPU load on it. I tested and confirmed this by loading a web browser and playing a Flash game in high quality which caused a high CPU load that I can tell since my internal CPU fan rises its tone for it spins faster when there is increased CPU load. It crashed 3 times in a row during the game! Hattrick!
Now I would like to know what causes it to crash. Hardware or software fault? What to do to fix? At first I thought it was my bad RAM but I tested it with GoldMemory and it gave a green light for the RAM.

PC specs (yes, it's an old PC):
VIA Tech. motherboard (VA6)
Pentium 2 300MHz
256 MB SDR RAM
3Dfx Voodoo 3 2000
40GB HDD (seagate)
250W PSU
CD Rom
Floppy drive

Thanks in advice.

EDIT: Pc specs updated

Last edited by <Ol>Origy; 05-01-2005 at 03:31 AM.
 
Old 05-01-2005, 03:41 AM   #2
<Ol>Origy
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I forgot to mention that I also noticed occasional glitches while running the flash game. They seemed to follow periodically and made my PC freeze for a moment and then continue working as normal. This behaviour continued all the way until the "final" glitch that froze up the PC for good.
If this is a software bug then I might want to change to a different distro since I wish to try some others out. The bad news would be a hardware error. I didn't have this bug all since the beginning when I installed RHL9. It appeared later on. Still, I wish to know what is causing it so that it won't appear the next time I install Linux.

-Ol
 
Old 05-01-2005, 04:14 PM   #3
twantrd
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If it's a hardware problem, dmesg and looking at /var/log/messages will give you an idea. You might also think about installed lm sensors so that it gives you temperature reports of CPU and whatnot.

-twantrd
 
Old 05-04-2005, 05:01 PM   #4
banzai_slr
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And check that the CPU fan is not clogged with dust. LM sensors should also be able to report fan speed, check that it is actually working.
 
Old 05-06-2005, 01:19 PM   #5
<Ol>Origy
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I don't think my CPU is overheating. I leave my PC up and running 24/7 but this problem arrived just recently - some time after installing Linux. Earlier, when I still had Win98 installed, it was running UT fine without freezing up. I believe this would be more of a technical problem rather than a problem of neglect for I recently cleaned the CPU casing and the fan. It now runs as quiet as a mouse.
 
Old 05-06-2005, 09:55 PM   #6
twantrd
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Have you taken a look at the logs to see if anything might be related to hardware issues?

-twantrd
 
Old 05-13-2005, 04:19 PM   #7
<Ol>Origy
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I have but all I see there is the entire boot log and after that a couple of NIC log entries if I remember correctly. The file itself is too big for kWrite to open. Is there anything specific I should look for in there?
Sometimes it even freezes when I am looking at the logs in kWrite
 
Old 05-13-2005, 08:36 PM   #8
twantrd
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Hmm, use tail -50000 or use more|less|vi.

-twantrd
 
Old 05-14-2005, 05:15 PM   #9
<Ol>Origy
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Okay. I downloaded the file to my windows box where I can open it without a problem. I can see the boot log in there but after that there are a lot of those NIC entries that look like this:

Quote:
May 1 08:10:07 localhost kernel: IN=ppp0 OUT= MAC= SRC=61.172.249.201 DST=193.77.54.48 LEN=844 TOS=0x00 PREC=0x00 TTL=52 ID=0 DF PROTO=UDP SPT=42665 DPT=1027 LEN=824
May 1 08:11:18 localhost kernel: IN=ppp0 OUT= MAC= SRC=80.238.133.75 DST=193.77.54.48 LEN=53 TOS=0x00 PREC=0x00 TTL=119 ID=22524 PROTO=UDP SPT=56137 DPT=11272 LEN=33
May 1 08:14:06 localhost kernel: IN=ppp0 OUT= MAC= SRC=61.172.249.201 DST=193.77.54.48 LEN=844 TOS=0x00 PREC=0x00 TTL=52 ID=0 DF PROTO=UDP SPT=42665 DPT=1027 LEN=824
May 1 08:14:10 localhost kernel: IN=ppp0 OUT= MAC= SRC=82.232.214.219 DST=193.77.54.48 LEN=53 TOS=0x00 PREC=0x00 TTL=51 ID=33797 PROTO=UDP SPT=18094 DPT=10659 LEN=33
May 1 08:17:38 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.92.158 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=204 DF PROTO=TCP SPT=3287 DPT=445 WINDOW=64800 RES=0x00 SYN URGP=0
May 1 08:17:41 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.92.158 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=332 DF PROTO=TCP SPT=3287 DPT=445 WINDOW=64800 RES=0x00 SYN URGP=0
May 1 08:17:46 localhost kernel: IN=ppp0 OUT= MAC= SRC=61.235.154.101 DST=193.77.54.48 LEN=494 TOS=0x00 PREC=0x00 TTL=43 ID=0 DF PROTO=UDP SPT=41141 DPT=1026 LEN=474
And it goes on like this forever. However there are some time gaps in the log which is when I believe the PC stopped responding. The time gaps appear as follows (including the boot log):

Quote:
May 8 04:18:34 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.253.196 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=126 ID=4669 DF PROTO=TCP SPT=1590 DPT=445 WINDOW=64800 RES=0x00 SYN URGP=0
May 8 04:21:10 localhost kernel: IN=ppp0 OUT= MAC= SRC=61.172.249.201 DST=193.77.54.48 LEN=910 TOS=0x00 PREC=0x00 TTL=52 ID=0 DF PROTO=UDP SPT=34178 DPT=1027 LEN=890
May 8 04:22:11 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.85.204 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=126 ID=26616 DF PROTO=TCP SPT=2135 DPT=445 WINDOW=64800 RES=0x00 SYN URGP=0
May 8 04:22:14 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.85.204 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=126 ID=26888 DF PROTO=TCP SPT=2135 DPT=445 WINDOW=64800 RES=0x00 SYN URGP=0
May 8 09:33:32 localhost syslogd 1.4.1: restart.
May 8 09:33:32 localhost syslog: syslogd startup succeeded
May 8 09:33:32 localhost kernel: klogd 1.4.1, log source = /proc/kmsg started.
May 8 09:33:32 localhost kernel: Linux version 2.4.20-31.9 (bhcompile@daffy.perf.redhat.com) (gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) #1 Tue Apr 13 18:04:23 EDT 2004
May 8 09:33:32 localhost kernel: BIOS-provided physical RAM map:
May 8 09:33:32 localhost kernel: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
May 8 09:33:32 localhost kernel: BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
May 8 09:33:32 localhost kernel: BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
May 8 09:33:32 localhost kernel: BIOS-e820: 0000000000100000 - 0000000010000000 (usable)
May 8 09:33:32 localhost kernel: BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
May 8 09:33:32 localhost kernel: 0MB HIGHMEM available.
May 8 09:33:32 localhost kernel: 256MB LOWMEM available.
May 8 09:33:32 localhost kernel: On node 0 totalpages: 65536
May 8 09:33:32 localhost kernel: zone(0): 4096 pages.
May 8 09:33:32 localhost kernel: zone(1): 61440 pages.
May 8 09:33:32 localhost kernel: zone(2): 0 pages.
May 8 09:33:32 localhost syslog: klogd startup succeeded
May 8 09:33:32 localhost kernel: Kernel command line: ro root=LABEL=/ hdc=ide-scsi
May 8 09:33:32 localhost kernel: ide_setup: hdc=ide-scsi
May 8 09:33:33 localhost kernel: Initializing CPU#0
May 8 09:33:33 localhost kernel: Detected 300.691 MHz processor.
May 8 09:33:33 localhost kernel: Console: colour VGA+ 80x25
May 8 09:33:33 localhost kernel: Calibrating delay loop... 599.65 BogoMIPS
May 8 09:33:33 localhost kernel: Memory: 252984k/262144k available (1359k kernel code, 6724k reserved, 1004k data, 132k init, 0k highmem)
May 8 09:33:33 localhost portmap: portmap startup succeeded
May 8 09:33:33 localhost kernel: Dentry cache hash table entries: 32768 (order: 6, 262144 bytes)
May 8 09:33:33 localhost kernel: Inode cache hash table entries: 16384 (order: 5, 131072 bytes)
May 8 09:33:33 localhost kernel: Mount cache hash table entries: 512 (order: 0, 4096 bytes)
May 8 09:33:33 localhost kernel: Buffer-cache hash table entries: 16384 (order: 4, 65536 bytes)
May 8 09:33:33 localhost kernel: Page-cache hash table entries: 65536 (order: 6, 262144 bytes)
May 8 09:33:33 localhost kernel: CPU: L1 I cache: 16K, L1 D cache: 16K
May 8 09:33:33 localhost nfslock: rpc.statd startup succeeded
May 8 09:33:33 localhost rpc.statd[2211]: Version 1.0.1 Starting
May 8 09:33:33 localhost kernel: CPU: L2 cache: 512K
May 8 09:33:33 localhost keytable: Loading keymap:
May 8 09:33:33 localhost kernel: Intel machine check architecture supported.
May 8 09:33:33 localhost keytable:
May 8 09:33:33 localhost kernel: Intel machine check reporting enabled on CPU#0.
May 8 09:33:33 localhost keytable:
May 8 09:33:33 localhost keytable: plus before onesuperior ignored
May 8 09:33:33 localhost keytable: plus before copyright ignored
May 8 09:33:33 localhost kernel: CPU: Intel Pentium II (Klamath) stepping 04
May 8 09:33:33 localhost keytable: plus before eth ignored
May 8 09:33:33 localhost kernel: Checking 'hlt' instruction... OK.
May 8 09:33:33 localhost keytable: plus before ETH ignored
May 8 09:33:33 localhost kernel: POSIX conformance testing by UNIFIX
May 8 09:33:33 localhost keytable: plus before egrave ignored
May 8 09:33:33 localhost kernel: mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
May 8 09:33:33 localhost keytable: plus before Egrave ignored
May 8 09:33:33 localhost kernel: mtrr: detected mtrr type: Intel
May 8 09:33:33 localhost keytable: plus before ae ignored
May 8 09:33:33 localhost kernel: PCI: PCI BIOS revision 2.10 entry at 0xfb390, last bus=1
May 8 09:33:33 localhost keytable: plus before AE ignored
May 8 09:33:33 localhost kernel: PCI: Using configuration type 1
May 8 09:33:33 localhost keytable: plus before threequarters ignored
May 8 09:33:33 localhost kernel: PCI: Probing PCI hardware
May 8 09:33:33 localhost keytable: plus before registered ignored
May 8 09:33:33 localhost kernel: PCI: Using IRQ router VIA [1106/0686] at 00:07.0
May 8 09:33:33 localhost kernel: isapnp: Scanning for PnP cards...
May 8 09:33:33 localhost kernel: isapnp: No Plug & Play device found
May 8 09:33:33 localhost kernel: Linux NET4.0 for Linux 2.4
May 8 09:33:33 localhost rc: Starting keytable: succeeded
May 8 09:33:33 localhost kernel: Based upon Swansea University Computer Society NET3.039
May 8 09:33:34 localhost kernel: Initializing RT netlink socket
May 8 09:33:34 localhost kernel: apm: BIOS version 1.2 Flags 0x07 (Driver version 1.16)
May 8 09:33:34 localhost kernel: Starting kswapd
May 8 09:33:34 localhost kernel: VFS: Disk quotas vdquot_6.5.1
May 8 09:33:34 localhost kernel: pty: 2048 Unix98 ptys configured
May 8 09:33:34 localhost kernel: Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ SERIAL_PCI ISAPNP enabled
May 8 09:33:34 localhost random: Initializing random number generator: succeeded
May 8 09:33:34 localhost kernel: ttyS0 at 0x03f8 (irq = 4) is a 16550A
May 8 09:33:34 localhost kernel: ttyS1 at 0x02f8 (irq = 3) is a 16550A
May 8 09:33:34 localhost kernel: Real Time Clock Driver v1.10e
May 8 09:33:34 localhost kernel: Floppy drive(s): fd0 is 1.44M
May 8 09:33:34 localhost kernel: FDC 0 is a post-1991 82077
May 8 09:33:34 localhost kernel: NET4: Frame Diverter 0.46
May 8 09:33:34 localhost kernel: RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
May 8 09:33:34 localhost kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00beta3-.2.4
May 8 09:33:34 localhost kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
May 8 09:33:34 localhost netfs: Mounting other filesystems: succeeded
May 8 09:33:34 localhost kernel: VP_IDE: IDE controller at PCI slot 00:07.1
May 8 09:33:34 localhost kernel: VP_IDE: chipset revision 6
May 8 09:33:34 localhost kernel: VP_IDE: not 100%% native mode: will probe irqs later
May 8 09:33:34 localhost kernel: VP_IDE: VIA vt82c686a (rev 1b) IDE UDMA66 controller on pci00:07.1
May 8 09:33:34 localhost kernel: ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hdaMA, hdbio
May 8 09:33:34 localhost apmd[2261]: Version 3.0.2 (APM BIOS 1.2, Linux driver 1.16)
May 8 09:33:34 localhost apmd: apmd startup succeeded
May 8 09:33:34 localhost kernel: ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdcMA, hddio
May 8 09:33:34 localhost kernel: hda: ST340016A, ATA DISK drive
May 8 09:33:34 localhost kernel: blk: queue c03cdfe0, I/O limit 4095Mb (mask 0xffffffff)
May 8 09:33:34 localhost kernel: hdc: CD-W58E, ATAPI CD/DVD-ROM drive
May 8 09:33:32 localhost network: Bringing up interface ppp0: succeeded
May 8 09:33:35 localhost kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
May 8 09:33:35 localhost kernel: ide1 at 0x170-0x177,0x376 on irq 15
May 8 09:33:35 localhost kernel: hda: attached ide-disk driver.
May 8 09:33:35 localhost kernel: hda: host protected area => 1
May 8 09:33:35 localhost kernel: hda: 78165360 sectors (40021 MB) w/2048KiB Cache, CHS=4865/255/63, UDMA(33)
May 8 09:33:35 localhost kernel: ide-floppy driver 0.99.newide
May 8 09:33:35 localhost kernel: Partition check:
May 8 09:33:35 localhost kernel: hda: hda1 hda2 hda3
May 8 09:33:35 localhost kernel: ide-floppy driver 0.99.newide
May 8 09:33:35 localhost autofs: automount startup succeeded
May 8 09:33:35 localhost kernel: md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
May 8 09:33:35 localhost kernel: md: Autodetecting RAID arrays.
May 8 09:33:35 localhost kernel: md: autorun ...
May 8 09:33:35 localhost kernel: md: ... autorun DONE.
May 8 09:33:35 localhost kernel: NET4: Linux TCP/IP 1.0 for NET4.0
May 8 09:33:35 localhost kernel: IP Protocols: ICMP, UDP, TCP, IGMP
May 8 09:33:35 localhost kernel: IP: routing cache hash table of 2048 buckets, 16Kbytes
May 8 09:33:35 localhost kernel: TCP: Hash tables configured (established 16384 bind 32768)
May 8 09:33:35 localhost kernel: Linux IP multicast router 0.06 plus PIM-SM
May 8 09:33:35 localhost kernel: NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
May 8 09:33:35 localhost kernel: RAMDISK: Compressed image found at block 0
May 8 09:33:35 localhost kernel: Freeing initrd memory: 146k freed
May 8 09:33:35 localhost kernel: VFS: Mounted root (ext2 filesystem).
May 8 09:33:35 localhost kernel: Journalled Block Device driver loaded
May 8 09:33:35 localhost kernel: EXT3-fs: INFO: recovery required on readonly filesystem.
May 8 09:33:35 localhost kernel: EXT3-fs: write access will be enabled during recovery.
May 8 09:33:35 localhost kernel: kjournald starting. Commit interval 5 seconds
May 8 09:33:35 localhost kernel: EXT3-fs: recovery complete.
May 8 09:33:35 localhost kernel: EXT3-fs: mounted filesystem with ordered data mode.
May 8 09:33:35 localhost kernel: Freeing unused kernel memory: 132k freed
May 8 09:33:35 localhost kernel: usb.c: registered new driver usbdevfs
May 8 09:33:35 localhost kernel: usb.c: registered new driver hub
May 8 09:33:35 localhost kernel: usb-uhci.c: $Revision: 1.275 $ time 18:11:21 Apr 13 2004
May 8 09:33:35 localhost kernel: usb-uhci.c: High bandwidth mode enabled
May 8 09:33:35 localhost kernel: PCI: Found IRQ 10 for device 00:07.2
May 8 09:33:35 localhost kernel: PCI: Sharing IRQ 10 with 00:07.3
May 8 09:33:35 localhost kernel: PCI: Sharing IRQ 10 with 00:09.0
May 8 09:33:35 localhost kernel: usb-uhci.c: USB UHCI at I/O 0xd400, IRQ 10
May 8 09:33:35 localhost apmd[2261]: Charge: * * * (-1% unknown)
May 8 09:33:35 localhost kernel: usb-uhci.c: Detected 2 ports
May 8 09:33:35 localhost kernel: usb.c: new USB bus registered, assigned bus number 1
May 8 09:33:35 localhost kernel: hub.c: USB hub found
May 8 09:33:35 localhost kernel: hub.c: 2 ports detected
May 8 09:33:35 localhost kernel: PCI: Found IRQ 10 for device 00:07.3
May 8 09:33:36 localhost sshd: succeeded
May 8 09:33:36 localhost kernel: PCI: Sharing IRQ 10 with 00:07.2
May 8 09:33:36 localhost kernel: PCI: Sharing IRQ 10 with 00:09.0
May 8 09:33:36 localhost kernel: usb-uhci.c: USB UHCI at I/O 0xd800, IRQ 10
May 8 09:33:36 localhost kernel: usb-uhci.c: Detected 2 ports
May 8 09:33:36 localhost kernel: usb.c: new USB bus registered, assigned bus number 2
May 8 09:33:36 localhost kernel: hub.c: USB hub found
May 8 09:33:36 localhost kernel: hub.c: 2 ports detected
May 8 09:33:36 localhost kernel: usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
May 8 09:33:36 localhost kernel: usb.c: registered new driver hiddev
May 8 09:33:36 localhost kernel: usb.c: registered new driver hid
May 8 09:33:36 localhost kernel: hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <vojtech@suse.cz>
May 8 09:33:36 localhost kernel: hid-core.c: USB HID support drivers
May 8 09:33:36 localhost kernel: mice: PS/2 mouse device common for all mice
May 8 09:33:36 localhost kernel: EXT3 FS 2.4-0.9.19, 19 August 2002 on ide0(3,3), internal journal
May 8 09:33:36 localhost kernel: Adding Swap: 1020116k swap-space (priority -1)
May 8 09:33:36 localhost kernel: SCSI subsystem driver Revision: 1.00
May 8 09:33:36 localhost kernel: hdc: attached ide-scsi driver.
May 8 09:33:36 localhost kernel: scsi0 : SCSI host adapter emulation for IDE ATAPI devices
May 8 09:33:36 localhost kernel: Vendor: TEAC Model: CD-W58E Rev: 1.0A
May 8 09:33:36 localhost kernel: Type: CD-ROM ANSI SCSI revision: 02
May 8 09:33:36 localhost kernel: parport0: PC-style at 0x378 [PCSPP,EPP]
May 8 09:33:36 localhost kernel: parport_pc: Via 686A parallel port: io=0x378
May 8 09:33:36 localhost kernel: Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
May 8 09:33:36 localhost kernel: sr0: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray
May 8 09:33:36 localhost kernel: Uniform CD-ROM driver Revision: 3.12
May 8 09:33:36 localhost kernel: ip_tables: (C) 2000-2002 Netfilter core team
May 8 09:33:36 localhost kernel: sis900.c: v1.08.06 9/24/2002
May 8 09:33:36 localhost kernel: PCI: Found IRQ 10 for device 00:09.0
May 8 09:33:36 localhost kernel: PCI: Sharing IRQ 10 with 00:07.2
May 8 09:33:36 localhost kernel: PCI: Sharing IRQ 10 with 00:07.3
May 8 09:33:36 localhost kernel: eth0: SiS 900 Internal MII PHY transceiver found at address 1.
May 8 09:33:36 localhost kernel: eth0: Using transceiver found at address 1 as default
May 8 09:33:36 localhost kernel: eth0: SiS 900 PCI Fast Ethernet at 0xe800, IRQ 10, 00:06:4f:03:3f:ee.
May 8 09:33:36 localhost kernel: eth0: Media Link On 100mbps full-duplex
May 8 09:33:36 localhost kernel: 8139too Fast Ethernet driver 0.9.26
May 8 09:33:36 localhost kernel: PCI: Found IRQ 9 for device 00:0d.0
May 8 09:33:36 localhost kernel: eth1: RealTek RTL8139 Fast Ethernet at 0xd0927000, 00:50:fc:e2:a9:4b, IRQ 9
May 8 09:33:36 localhost kernel: eth1: Setting 100mbps full-duplex based on auto-negotiated partner ability 41e1.
May 8 09:33:36 localhost kernel: CSLIP: code copyright 1989 Regents of the University of California
May 8 09:33:36 localhost kernel: PPP generic driver version 2.4.2
May 8 09:33:38 localhost xinetd[2312]: xinetd Version 2.3.11 started with libwrap loadavg options compiled in.
May 8 09:33:38 localhost xinetd[2312]: Started working: 1 available service
May 8 09:33:39 localhost xinetd: xinetd startup succeeded
May 8 09:33:40 localhost ntpd: succeeded
May 8 09:33:40 localhost ntpd: succeeded
May 8 09:33:43 localhost ntpdate[2327]: step time server 209.132.176.4 offset 2.048695 sec
May 8 09:33:43 localhost ntpd: succeeded
May 8 09:33:44 localhost ntpd: ntpd startup succeeded
May 8 09:33:44 localhost ntpd[2331]: ntpd 4.1.1c-rc1@1.836 Thu Feb 13 12:17:19 EST 2003 (1)
May 8 09:33:44 localhost mysqld: Starting MySQL: succeeded
May 8 09:33:44 localhost ntpd[2331]: precision = 26 usec
May 8 09:33:44 localhost ntpd[2331]: kernel time discipline status 0040
May 8 09:33:44 localhost ntpd[2331]: frequency initialized 0.000 from /etc/ntp/drift
May 8 09:33:46 localhost sendmail: sendmail startup succeeded
May 8 09:33:46 localhost sendmail: sm-client startup succeeded
May 8 09:33:47 localhost gpm: gpm startup succeeded
May 8 09:33:51 localhost httpd: httpd startup succeeded
May 8 09:33:52 localhost crond: crond startup succeeded
May 8 09:33:54 localhost kernel: parport0: PC-style at 0x378 [PCSPP,EPP]
May 8 09:33:55 localhost kernel: parport_pc: Via 686A parallel port: io=0x378
May 8 09:33:55 localhost kernel: lp0: using parport0 (polling).
May 8 09:33:55 localhost kernel: lp0: console ready
May 8 09:33:55 localhost modprobe: modprobe: Can't locate module char-major-188
May 8 09:33:56 localhost last message repeated 15 times
May 8 09:33:56 localhost cups: cupsd startup succeeded
May 8 09:33:57 localhost xfs: xfs startup succeeded
May 8 09:33:58 localhost xfs: ignoring font path element /usr/X11R6/lib/X11/fonts/cyrillic (unreadable)
May 8 09:33:58 localhost smb: smbd startup succeeded
May 8 09:33:58 localhost smb: nmbd startup succeeded
May 8 09:33:58 localhost anacron: anacron startup succeeded
May 8 09:33:59 localhost atd: atd startup succeeded
May 8 09:33:59 localhost rhnsd: rhnsd startup succeeded
May 8 09:33:59 localhost rhnsd[2537]: Red Hat Network Services Daemon starting up.
May 8 09:34:07 localhost kernel: ip_conntrack version 2.1 (2048 buckets, 16384 max) - 292 bytes per conntrack
May 8 09:34:08 localhost kernel: CBQ: class 00100002 has bad quantum==0, repaired.
May 8 09:36:01 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.179.118 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=126 ID=47047 DF PROTO=TCP SPT=3601 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0
May 8 09:36:11 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.106.250 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=124 ID=20051 DF PROTO=TCP SPT=4116 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0
May 8 09:40:56 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.233.141 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=126 ID=22549 DF PROTO=TCP SPT=1785 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0
May 8 09:40:59 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.233.141 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=126 ID=22692 DF PROTO=TCP SPT=1785 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0
May 8 09:43:06 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.231.24 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=51284 DF PROTO=TCP SPT=4951 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0
May 8 09:43:09 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.231.24 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=127 ID=51502 DF PROTO=TCP SPT=4951 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0
May 8 09:43:19 localhost kernel: IN=ppp0 OUT= MAC= SRC=193.77.187.176 DST=193.77.54.48 LEN=48 TOS=0x00 PREC=0x00 TTL=124 ID=12230 DF PROTO=TCP SPT=2681 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0

etc...
Now this basically doesn't provide much info on why the PC stops responding as it doesn't log any errors. I do not believe it's a hardware error because it started to occur recently. It used to run fine before. I tested the RAM modules with GoldMemory and they passed. Would it be possible that my firewall has something to do with it? Although I'm not sure about that because the Flash also caused it to freeze. It used to freeze before I installed Flash player so I doubt Flash is the problem. I have 3 different kernel versions and it does not matter which one I choose because it freezes eitherway. Either I'm just unlucky with my linux choice or there's something terribly wrong with the PC.
 
Old 05-15-2005, 12:41 AM   #10
twantrd
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Bummer, that log doesn't show any relevant error to your problem. My next step in debugging this would be to run sar (System activity reporter) every 5 mins via cron. The next time the box dies, at least we'll be able to see what the load was and other useful information.

-twantrd
 
Old 05-15-2005, 05:23 AM   #11
<Ol>Origy
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And how to do that?
P.S. I don't believe I have sar installed... "whereis sar" does not return any results.
Man I can't even work on that PC - it freezes like every 10 minutes while I work on it.

It only appears to freeze on high CPU loads which is exactly when I work on it like browsing internet, opening logs, etc. That's why it freezes so often when I use it and rarely when I don't.

Curious. You said I'd need to have sar run every 5 min. So in order to get the most precise measurement, will the PC have to freeze a second after sar is used?
 
Old 05-15-2005, 11:01 PM   #12
twantrd
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Quote:
I don't believe I have sar installed... "whereis sar" does not return any results
sar comes with the systat package. Install that and you have 'sar'.

Quote:
So in order to get the most precise measurement, will the PC have to freeze a second after sar is used?
To actually get the most precise measurement you can run sar every minute. However, since you believe that the machine just freezes when there is high cpu load, do a cpu burn test and see. You can find simple shell scripts out there on the inet that will help you achieve this. Another option is to swap out the cpu and try loading all your programs again.

This particular situation you're in would require a lot of debugging time and patience. If you don't have the time nor the resources, why not build another linux box on different hardware and run your apps on that instead?

-twantrd
 
Old 05-21-2005, 12:27 PM   #13
<Ol>Origy
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I'm going to do a simpler test that will show if it is an actual hardware bug or software bug - format and install a new linux distro. If it continues to crash then it must be hardware. Honestly I was just curious if there was an easy way to fix this crashing but since I'm at home only on weekends and I barely have any time for myself, I'll have to spend that time wisely. Debugging would take too much time since I'm relatively new linux user and I have to learn things before actually attempting them. I will install a new distro and if it continues to crash I'll do what you suggested.
Thank you for your help.
 
  


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