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Hi
For a while I've been experiencing some system freeze - I think it's frustrating, but also weird. I believe it has done it back from 2.6.15, but I haven't really been that annoyed since in some periods it does it rarely.
But now I experienced it for 15 minutes ago, and I did yesterday too. I noticed that daily cronjobs were ran when it happened, and I can't remember if it did the same the other times.
The crash:
- I can move the mouse
- Torsmo is alive (I can see that CPU usage is around normal - 0-2%, and memory usage is normal too)
- MPD is still playing
- I can't click at anything
- Nothing happens if I do ctrl+alt+f1, ctrl+alt+backspace, and so on - it's like the keyboard doesn't respond
- Can't ssh into my box from another
That's about what I can remember. I recently reinstalled the system, but it still happens randomly.
I'm really clueless whether if it's hardware or software failure. I can't find anything in kernel logs that could have anything to do with it.
If it can be a help, the cronjobs I have is
[loke@shiva ~]$ ls /etc/cron.daily
logrotate* ntpdate* shadow* updatedb* whatis*
But I'm not sure if any of that is causing the crash.
I also tried to let Memtest86+ test two rounds, and it didn't find errors.
Another thing is I'm 100% sure that my CPU does not get too hot.
Well that's about it. The last thing is some system specs if that is any help.
CPU: Intel P4 Northwood 2.66GHz
Memory: 512MB DDR PC2700
Disks: Maxtor 40GB, Seagate 80GB
Crash is happening both in stock kernels and beyond too.
I hope you have ideas, and don't hestitate to ask my for further info if needed.
Thanks
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Just a little question, was that a budget Maxtor model and is it your system disk?
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The Maxtor disk is my /home partition
Seagate is /boot and /
My maxtor is a Maxtor DiamondMax Plus 8 (6E040L0)
Seagate is a Seagate Barracuda (http://www.seagate.com/cda/products/dis … 81,00.html)
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Did you try magic sysrq key to sync disks and reboot during freeze ?
You can enable it in /etc/sysctl.conf
kernel.sysrq = 1
Then during freeze you can press alt+SysReq+r to put keyboard in raw mode. Then alt+SysReq+s to sync disks and alt+SysReq+b to reboot. It doesn't solve your problem but it helps to save the system clean. There is a chance that someting will be left in the logs too.
You should also review your modules with lsmod. Perhaps some are misconfigured or not stable with your machine. Disable all the modules that you don't really need using MOD_BLACKLIST in /etc/rc.conf.
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Thanks. Do I need to reboot before the changes in /etc/sysctl.conf works?
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You can run as root
sysctl -p
to reread configuration.
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Have you checked the outputs of dmesg?
This signature just crossed the line.
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