My laptop has been acting up recently. It's seemed especially slow, video and audio has been very jittery, and it seems unable to do simple stuff like playback YouTube videos without jitter.
This under-performance has been accompanied by a series of kernel panics and crashes. I am currently using the MacBook as my only development machine after a move while I wait for my iMac to make its way to me in a few weeks time.
In order to try and diagnose the problem I have:
- Performed a memtest on 1900MB of my memory by booting into single user mode (I am not sure of a better way to run memtest on a Mac)
- Performed a Disk Verification in Disk Utility by booting from the install disk
- Reinstalled OS 10.6, updated, etc.
None of the above have come up with any errors or improved the situation at all.
I am at a loss as to what I should do. Any advice or insight is welcome.
I include some of the logs below:
It also seems to be the case that en0 (Ethernet Interface) goes down after about an hour, ifconfig reports all fine but a self assigned ip. It might be an unrelated issue.
Now I am seeing weird graphical artifacts. Black/multicolored polygonal shapes on windows etc.