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I'm experiencing random system lockups (everything freezes and I have to reboot) and I can't see anything about any of them in system.log (should I look elsewhere?). There doesn't seem to be any easily deductable pattern to them. This happens with both the mach and the vanilla kernel. I don't even get the dreaded "You need to reboot"-screen. Anyone know what this can be? Other than these lockups, everything works perfectly, so any help is much appreciated.

 

Installer: Kalyway

 

Hardware:

Asus P5KC

4GB DDR2 PC6400

Core 2 Duo E8400

Old IDE hard drive (where Leopard is installed)

SATA drive with Linux and an empty NTFS partition.

XFX GeForce 8400GS

CNet CWP-854 (Ralink RT2500)

Logitech USB mouse and keyboard

0 to 4 external USB harddrives

 

Drivers:

NVinject (installed with most recent pack from johnniecarcinogen)

Official Ralink driver

 

Other, non-supported hardware present, not detected:

Pinnacle TV card

Soundblaster Audigy SE

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I had this problem too, it turned out to be a unstable kernel and high processor temperatures which is never a good combo. Keep tabs on your CPU's temperatures and if you are running Leopard, try downgrading to Tiger and see if you experience the same problems. If you don't have the same problems with Tiger then it means an unstable kernel.

I have similar problem as spock84 and am running very similar hardware (except with quad core processor). I have monitored core temps and have not noticed any abnormalities. I have already been forced to reinstall Kalyway 10.5.1 after first system crash, which I was not able to restart from. Both installs went smooth and start up fine but crash during processor intensive activities. If I do have an unstable kernel how could I repair that and still maintain running osx86 and preferably leopard?

can you SSH into your mac after it locks?

i have something similiar and when I SSH into the mac and ran "dmesg" as super user, it shows a lot of error messages regarding my graphic card. NVGraphic something something. I have installed the latest version of the 10.5.2 kext install script (found it somewhere online) and so far I've not encounter this random lockup..but i am still testing.

I kind of solved this now, I think. Been up for more than half an hour, converting videos with VisualHub (which is what I did the other times), whilst earlier it took 6-7 minutes before it crashed.

 

The solution was to set maxmem to 2048 instead of the 4 gigs I actually have.

 

I don't get why this happens though. I thought OSX was 64bit?

  • 2 months later...

Spock,

 

I was having this same problem. Some cpu-intensive macos apps would cause my system to lock up. But I don't think its CPU temps or AHCI support...

 

I think the nvinject easy installer was installing a custom kernel from a macbook pro which uses the GeForce 8600GT chip. If you look at the specs for the MacBook Pro with the dual core proc, it can only handle 2GB ram max. Perhaps theres a connection.

 

Setting maxmem=2048 resolved the lockups for me. Sucks since I have 4GB.

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