HW transcoding stopped working after 4.9.3.0 update

[Luke 42555]

Hi, are you still having an issue with this?

[CFC 25]

On 3/24/2026 at 12:20 PM, solidsnakex37 said:

After days of troubleshooting, I can confirm that downgrading from 4.9.3 to 4.9.1.90 resolved this issue for me. 

My Arc A380 wasn't tone mapping, I was getting: 
 

WARNING: Small BAR detected for device 0000:83:00.0
Failed to get number of OpenCL platforms: -1001.
Failed to created derived device context: -19.
Conversion failed!
→ Falling back to software transcoding.

I am no longer getting these errors after a rollback and tone mapping is fixed. 

 

On 5/19/2026 at 8:28 PM, jhoff80 said:

Nothing in the changelog, but anyone planning on being the guinea pig to see if 4.9.5 fixes these issues?  I'll be sticking on 4.9.1.90 for a while.

 

On 5/31/2026 at 3:27 PM, Luke said:

Hi, are you still having an issue with this?

@LukeThis still seems to be an issue on 4.9.5.

Do we know what the latest stable version that correctly handles hardware tonemapping? is it in fact 4.9.1.90?

 

Thanks,
CFC

[Q-Droid 1028]

1 hour ago, CFC said:

Do we know what the latest stable version that correctly handles hardware tonemapping? is it in fact 4.9.1.90?

Yes. That's the latest that isn't broken.