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Please test and feedback
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[GPU-Z Test Build] Resizable BAR shows as "Yes" when Supported but Disabled
- Thread starter W1zzard
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No diff on my egpu box, sorry to say:
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Changed from enabled to disabled on my laptop GPU (HWiNFO64 claims enabled).
EDIT:
after a second launch 2.58.1 reads enabled again
EDIT:
after a second launch 2.58.1 reads enabled again
Last edited:
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Screenshot from Device Manager -> Resources please, showing the Large Memory entry
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Can you check if 2.56 always shows the correct status?
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2.56 looks OK
I can reproduce the issue with 2.58.1 when i switch to the iGPU (which is always disabled/unsupported) and quit.
Next start shows dGPU disabled again.
Quit 2nd time and run again and dGPU shows enabled.
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Im not sure if its appropriate but it does show as enabled on my test system with eGPU but eGPUs dont support rebar so it isnt working.
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Tried it with both 2.58 and 2.58.1. Disabled resizable bar, and it reports disabled on both, with a 2M BAR1.
2.58.0
2.258.1
2.58.0
2.258.1
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2.58.1 shows Disabled for me when disabled in BIOS.
2.58.0 shows Resizable BAR as YES when disabled in BIOS. (same configuration as above)
2.58.0 shows Resizable BAR as YES when disabled in BIOS. (same configuration as above)
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I'm away from that machine until evening but will get back to you.
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Rebar Off in Bios:
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Thanks! This means 2.58.1 works correctly on your system, right?
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Well...
I will have to make some assumptions with 2.58.1 so could be wrong here especially as I easily get confused these days.
1. "Resizable BAR Enabled/Disabled". Seems dependent on BAR address size, but actual BAR size can be smaller and the definition of enabled with GPU-Z seems to be if the address size is above 512MiB it's enabled. Example with actual BAR size 64MiB but addressing greater than 512MiB.
2. "Above 4G Decode enabled in BIOS". Can be disabled in BIOS and addresses reallocated after POST. (Semantics?)
3. "Resizable BAR enabled in BIOS" may be no option in BIOS but again can be done after POST (Semantics?). This function seems dependent on actual BAR size being greater than 512MiB.
4. "Graphics Driver Support" don't know where this comes from, hard coded or not?
These observations not really relevant for possibly millions of people but FYI.
I will have to make some assumptions with 2.58.1 so could be wrong here especially as I easily get confused these days.
1. "Resizable BAR Enabled/Disabled". Seems dependent on BAR address size, but actual BAR size can be smaller and the definition of enabled with GPU-Z seems to be if the address size is above 512MiB it's enabled. Example with actual BAR size 64MiB but addressing greater than 512MiB.
2. "Above 4G Decode enabled in BIOS". Can be disabled in BIOS and addresses reallocated after POST. (Semantics?)
3. "Resizable BAR enabled in BIOS" may be no option in BIOS but again can be done after POST (Semantics?). This function seems dependent on actual BAR size being greater than 512MiB.
4. "Graphics Driver Support" don't know where this comes from, hard coded or not?
These observations not really relevant for possibly millions of people but FYI.
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New build attached, please test
No improvements yet for Optimus (StefanM) and eGPU (Solaris, R-T-B, still waiting for those resource screenshots)
No improvements yet for Optimus (StefanM) and eGPU (Solaris, R-T-B, still waiting for those resource screenshots)
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This is through a GPU enclosure. So no rebar.
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Resources screenshot please
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Sure thing, the scroll bar makes it looks like there is more, but there are only the 3 entries shown.
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New build which should work correctly on eGPUs, too. Still no solution for Optimus
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New build, please test and feedback asap so I can push out a new release this week.
This should work correctly on all setups, including sleeping Optimus GPUs and eGPUs
This should work correctly on all setups, including sleeping Optimus GPUs and eGPUs
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Looks OK now on my Optimus rig.
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Have you tried a couple of times? just to make sure the GPU is really sleeping when GPU-Z checks?
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Very sorry, that whole PC had to undergo a reinstall after a malware incident courtesy letting a younger member of society use my PC (Free minecraft lessa go! /s)
I'll grab you it in a few seconds here.
EDIT: @W1zzard
I have deja vu. I think you had me do this before.
New test build works good too:
Last edited: