Random Freezes with Radeon 560

[slippyr4]

I think I'm making progress. Mine reliably freezes within 30 seconds of opening photos. I can still connect with SSH and do log show to see what's going on and there's a lot of Faults from the GPU and restarts etc. It's to do with using the GPU for h265 for HEVC encoding or decoding, not sure which.

I downloaded the Sony camp 4k HEVC demo and tried to play it in quicktime. It played for a few seconds and then froze the Mac, similar to photos.

I then read phrozenpenguin's thread that he linked to. In particular I noticed the post from sztom on this page https://www.tonymacx86.com/threads/random-black-screens-using-rx560-10-13-4.249754/page-4 . I downloaded his edited FakeSMC kext and looked inside. theres a load of extra stuff in the Info.plist to do with AMDBaffinGraphicsAccelerator, which amongst other things appears to set AMDUv7 for IOGVACodec. I looked in IORefistryExplorer and that configuration was conspicuously absent for me, so I tried the edited FakeSMC kext and then in IORegistryExplorer, those entries are present.

Now, I can play the Sony camp 4k video without it freezing. I *think* it's using the GPU because my CPU load in intel power gadget was not too high, although there were a few moments where it stalled playing the video. Important point is that it played ok though.

I then found this thread, which I've not read all of yet, but which I think is the origin of the changes in the edited FakeSMC. In particular it looks like shushing has created a Dummy.kext which does these changes, so we could use a standard FakeSMC.

I'll now test photos and see if that locks up still.

 

[joeblough]

i'll have to try the same tests you have tried. i rarely use photos (i know it has been opened once or twice to look at shared photostreams) but i don't remember it locking up the display.

this kind feels like uninitialized hardware randomly coming up in the right state, since sometimes i go days without a lockup and sometimes it happens almost right away after reboot. unless it's the -rad4200 thing that's making it more stable for me.

 

[slippyr4]

Unfortunately, it did still lock up.

I'm now attempting to reflash my card into a sapphire Rx 560 (NOT 560D) to see if that helps

 

[joeblough]

bogus

 

[mybobo]

I decided to wipe my system and fresh install 10.13.6 to see whether it would make my system stable again. Fortunately, it did! It has been more than 2 days since a fresh install and I haven't had a single freeze.

The freeze was less frequent, but I still got a few freezes. In fact, I got one freeze when I dual booted into Windows, at which point it was clear that I had a hardware problem.

So I checked my hardware one component at a time, and found that one of my memory modules had a problem (it consistently failed memtest86+) and my graphics card also had a problem...

 

[slippyr4]

I decided to wipe my system and fresh install 10.13.6 to see whether it would make my system stable again. Fortunately, it did! It has been more than 2 days since a fresh install and I haven't had a single freeze.

I reinstalled (10.13.5) too, and it seems to have fixed my problem.

 

[mybobo]

The freeze was less frequent, but I still got a few freezes. In fact, I got one freeze when I dual booted into Windows, at which point it was clear that I had a hardware problem.

So I checked my hardware one component at a time, and found that one of my memory modules had a problem (it consistently failed memtest86+) and my graphics card also had a problem...

I took out the faulty memory module and replaced RX560 with GTX960. The system has been stable for a week.

 

[phucnguyen2411]

see my comment on this topic, maybe this can help you. Last time I had the same problem with you!
https://www.tonymacx86.com/threads/radeon-compatibility-guide-ati-amd-graphics-cards.171291/page-241

 

[joeblough]

sorry to report the following:

1) rebooted with -rad4200 and was stable for about 40 days again.
2) had to reboot for another reason. decided to check if there were updates to whatevergreen/lilu, etc.
3) found new versions. installed new whatevergreen/lilu. discovered -rad4200 flag is now gone
4) however, garbage on 2nd monitor when coming out of display sleep was fixed
5) BUT, display locked up coming out of sleep after less than 12 hours.

so, i decided to install 10.13.6 since i was already in reboot hell. uptime is about 1 hour at this point, but not expecting any miracles. geforce 1050 sitting on desk waiting for next lockup

 

[petermg00]

Just wanted to check-in on this thread again, and see if anyone found any solves. Sometimes I'll go several weeks without using my Hackintosh, then I'll have an intensive video editing project and use it a lot. Right now I'm using it a lot, it's freezing, and driving me nuts.

Anyone found a solid solution? Or recommend a GFX card that will have far less issues?

Lately, I've tried updating to the latest Lilu/whatevergreen kext, but Mac OS Freezes in the middle of the boot screen. I've tried the last 2-3 versions of those kexts, and still no luck. So I'm currently using Lilu 1.2.3 and Whatevergreen 1.1.7, which allows me to actually boot.