This problem also happens in ML, after opening Photoshop the GPU is again stuck at 1Ghz. It's just that Mavericks is a bit more extreme.
Does anybody with a edited AGPM kext have full flash video decoding of off the dedicated GPU? Always getting a lockup with a sysdef other that MacPro3,1...
I replaced my PSU today and got this kernal panic at boot, I can't even boot from a different drive without getting this. Disconnecting one of the disks of the fusion drive gets me booted from another drive but I don't get the fusion drive. Any way of fixing this or is the only way formatting...
The string works with igfx first but not like in 10.8.2 with auto/peg or like you had it working before in 10.8.3.
The only thing I can do is change it back to macpro3,1 and wait for a fix.
Article: OS X 10.8.3 Update
I had the same error with a 660 TI, also using 1 monitor. The 2 options I have found are to turn off the HD4000 and don't have AirPlay or set it on igfx and don't have a bootscreen. I hope someone finds a solution to this or it gets fixed in an update.
Strange it...
So the string you posted didn't work for me, got the same debugger error on startup. I also got it working with igfx first but I'm also using only one monitor and that's not really a option if it doesn't show anything at bootup. It's a bit harder to switch the boot drive or fix any errors when...
I'm getting artefacts/screen freeze on Flash videos with VDADecoder enabled by setting sysdef to macmini 5,1, also tried a few other options. In 10.8.2 I fixed this by enabling HD4000 in the bios. This doesn't work anymore in 10.8.3 since I'm getting a kernal panic at boot with both GPUs...
Article: OS X 10.8.3 Update
Had the same problem, fix it by using optimized settings in bios and using this guide (http://www.tonymacx86.com/99-quick-guide-configuring-uefi-gigabyte-s-7-series-lga-1155-boards.html)
I hope this helps you with the problem.
Article: MultiBeast 5.2 Update
It definitely the GPUsensor plugin, I removed it and now the KP are gone I had with hwmonitor.
Edit: I also removed all the cache in /System/LibraryCaches.
I'm getting kernel panics with the new FakeSMC when stress testing the GPU and opening the hwmonitor menu. After a reboot I'll get another one at the login screen after hitting enter or when the hwmonitor menu is loading. I'm using a 660ti in my Z77X-UD5H with 3570k. Anyone else having this...
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