Let's talk about Broadwell's uknown(?) GPU hang/KP issue...

[fivos1996]

Something is going wrong with your memory information.
Suggestion you focus on that.

I played around with config.plist/SMBIOS/Memory settings and here are the results. I can now confirm that my laptop's mobo is using both RAM sticks in single channel. Strange, ha?

 

[RehabMan]

I played around with config.plist/SMBIOS/Memory settings and here are the results. I can now confirm that my laptop's mobo is using both RAM sticks in single channel. Strange, ha?

CPU-Z on Windows shows single channel?
I have not reviewed the Clover source for SMBIOS/Trust and SMBIOS/Memory.
Perhaps some conflict there.
You might review the code to understand better how those options affect memory information injected.
Maybe Trust should be false when using SMBIOS/Memory?

 

[fivos1996]

CPU-Z on Windows shows single channel.

Wait. How did you check on CPU-Z? I don't have Windows at all. Is there a way to check it on Ubuntu/other Debian distro?

 

[RehabMan]

Wait. How did you check on CPU-Z?

I didn't.
I'm asking you.
I forgot the '?'. Fixed.

I don't have Windows at all.

Windows is easy/fast to install.

Is there a way to check it on Ubuntu/other Debian distro?

No idea.

 

[fivos1996]

Windows is easy/fast to install.

But I have to swap hard drives to prevent damage to my macOS partitions...Also, the clover preboot.log also shows single channel. What about that?

 

[RehabMan]

But I have to swap hard drives to prevent damage to my macOS partitions...

Windows can be installed on the same device as macOS.
It is covered in my Clover guide.
Or you can install to another device as you mention, your choice.

Also, the clover preboot.log also shows single channel. What about that?

The log you're referring to is driven by the data you're putting in config.plist.
If you want to know reality, install Windows.

 

[anmool]

follow in this link guide for AppleIntelBDWGraphicsFramebuffer

https://www.firewolf.science/2015/0...from-appleintelbdwgraphicsframebuffer-binary/

 

[fivos1996]

follow in this link guide for AppleIntelBDWGraphicsFramebuffer

https://www.firewolf.science/2015/0...from-appleintelbdwgraphicsframebuffer-binary/

The problem is not in the framebuffer kext.

 

[anmool]

look this video in youtube this person solved his problem
comment him your problem

 

[fivos1996]

look this video in youtube this person solved his problem
comment him your problem

Again, it's a different problem. This video shows the typical DVMT pre-allocated video memory issue which is fixable by changing the DVMT to 64MB or larger or by patching the framebuffer kext to accommodate the 32MB DVMT value.