System Hang with 2GB RAM, 1.91GB swap
Khoa Ton
khoa at puresynergy.com
Sun Sep 10 00:42:49 UTC 2006
Sam Varshavchik wrote:
> Khoa Ton writes:
>
>> This could be the new RAM DIMMs being not quite compatible with my
>> ASUS M2NPV-VM motherboard, but I wanted to check with the group to
>> see whether it may be because the swap is only 1.91GB and not more
>> than 2GB, the amount of physical RAM?
>
> Nope, not unless you're running into a kernel bug due to your new memory
> configuration. It's very likely that the RAM is bad, but there's a
> small chance of a kernel bug, that's worth exploring.
>
> The only good way to test for that would be by setting up a serial
> console. You'll need another PC. Connect both of them via the serial
> port, using a null-modem adapter. See the boot prompt howto for
> instructions on setting up a serial console. Run minicom on the other
> PC, make sure that your ASUS PC's boot messages are getting captured,
> then leave everything running. When the screensaver locks up, see if
> you captured an OOPS or a BUG.
>
>> PS: I'm running XGL/Compiz (very sexy 3D GUI) which is not
>> production quality, but it's not hanging with my 1GB RAM in place.
>
> You can also ping the machine, off the network, to see if it's just X
> that's locked up, but the machine itself is funny. Once a month
> something gets screwed up when I boot my laptop, and X won't come up.
> The keyboard is dead, but the kernel itself is up. I log in from
> another machine, over the network, kill and restart X, then everything's
> fine.
Thanks for the instructions on tracking down hangs, Sam. As it
turns out, the RAM was the problem. However, I will keep your email
for future system hang diagnosis. I am certain I will be using it.
Best regards,
Khoa
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