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I have installed ubuntu 11.10 long time ago and since then i was experiencing graphic performance regressions. With updates some things got better, others remained the same. Things that remained the same are FF related. I have noticed that sometimes FF is very choppy, and sometimes very smooth. I couldn't figure out why that happened.

But i do remember that with the OS upgrade i also did a hardware upgrade (MB,CPU,GPU,RAM,HDD) but left the power supply(4.5 year old) the same. My configuration follows:

  • PSU 350W
  • MB Gigabyte M68MT-S2
  • Athlon II X2 240
  • GeForce 210
  • 1 RAM 2GB
  • x2 SATA HDD (sums to ~400 GB)
  • 1 DVD RW

So my question is: should i suspect ubuntu for the performance regression or my power supply?

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closed as too localized by RolandiXor, gertvdijk, Jorge Castro, Tom Brossman, nitstorm Jan 1 '13 at 18:45

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Have you tried with other Firefox version? or with another browser?, have you checked your swap usage? your I/O usage?.. –  Uri Herrera Dec 31 '11 at 10:05
Can you give us the output of sudo lshw (you might need to install that one), ps aux and dmesg? Best to do it right after it starts behaving "choppy" again. –  RobinJ Dec 31 '11 at 10:26
@UriHerrera , yes, tested with other versions. I'm monitoring my resources constantly, there is no issue with that. –  alex Dec 31 '11 at 10:59
@RobinJ , It's still choppy since i've started it today. Here are the results. dl.dropbox.com/u/13391208/dmseg.txt | dl.dropbox.com/u/13391208/lshw.txt | dl.dropbox.com/u/13391208/ps%20aux.txt –  alex Dec 31 '11 at 11:08
I strongly doubt it's got something to do with your power supply. Happy New Year! –  RobinJ Dec 31 '11 at 23:27

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