I think the dead give away is the swap numbers. If the hard disk light
is basically "on" it means that you are using far more memory than you
have RAM. The programs are all now basically idle waiting on swap. You
should use top and sort by memory usage. Microcenter has very cheap
laptop memory, and your box can support 4G!
On 04/22/2012 12:40 AM, David Kramer wrote:
This is on my Ubuntu 10.04 laptop (Dell Latitude D820). I don't know
when it started, but every now and then I get into this condition where
the UI seems almost completely locked up (the mouse may move a little
occasionally but the clock is frozen). The hard drive light is often
on for long periods of time, too. But even when I can move the mouse,
clicking on a window's close button does nothing. Usually it never
recovers from this state and I need to hard power down.
The first couple of line from "top -c" read
top - 00:13:25 up 6 days, 16:25, 6 users, load average: 16.16, 19.67,
21.58
Tasks: 194 total, 3 running, 189 sleeping, 0 stopped, 2 zombie
Cpu(s): 13.3%us, 5.0%sy, 0.0%ni, 0.0%id, 81.4%wa, 0.2%hi, 0.2%si,
0.0%st
Mem: 2060180k total, 2009288k used, 50892k free, 3488k buffers
Swap: 1574328k total, 1492652k used, 81676k free, 62024k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
6835 david 20 0 704m 184m 2352 R 20 9.2 142:15.54
plugin-containe
19747 david 20 0 226m 170m 4868 S 15 8.5 4:07.80 geeqie
1185 root 20 0 231m 82m 6488 S 1 4.1 137:38.82 Xorg
6637 david 20 0 1174m 264m 11m D 1 13.2 99:02.16 firefox
20780 root 20 0 2548 1240 916 R 1 0.1 0:00.04 top
9 root 20 0 0 0 0 S 0 0.0 0:05.28 events/0
So I don't see what the cores are so busy with. I was only able to get
these numbers by eventually getting a text mode screen by pressing
Ctr-Alt-F2 (get to a text shell) before it decided to do something.
Swap space is low but should be sufficient.
What can be locking up my laptop and causing the slowdown?
Thanks.
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