mpv not opening after updating to 20230924.

[sunnysoren]

After installing latest version mpv-x86_64-20230924-git-140d018.7z using updater.bat, mpv is not opening, nor the video files are opening. And after that for some reason opening the updater giving me a "Cannot index into a null array" error. So I downgraded mpv to mpv-x86_64-20230917-git-181eddc.7z and it is working fine. Is something wrong with my system or it is something else?

[Andarwinux]

What CPU, what Windows Version?

[sunnysoren]

What CPU, what Windows Version?

Pentium G645, Windows 10 22H2 Build 19045.2846

[Andarwinux]

https://github.com/zhongfly/mpv-winbuild/releases/download/2023-09-24-652a1dd/mpv-x86_64-20230924-git-652a1dd.7z

Is this working fine?

[sunnysoren]

https://github.com/zhongfly/mpv-winbuild/releases/download/2023-09-24-652a1dd/mpv-x86_64-20230924-git-652a1dd.7z

Is this working fine?

No, same problem. Is it because my cpu doesn't have a lot of features?

[zhongfly]

https://github.com/zhongfly/mpv-winbuild/releases/download/2023-09-24-652a1dd/mpv-x86_64-20230924-git-652a1dd.7z

Is this working fine?

https://github.com/zhongfly/mpv-winbuild/releases/tag/2023-09-24-652a1dd is also a clang build. try this gcc build https://github.com/zhongfly/mpv-winbuild/suites/16491527835/artifacts/942229799

[sunnysoren]

https://github.com/zhongfly/mpv-winbuild/releases/tag/2023-09-24-652a1dd is also a clang build. try this gcc build https://github.com/zhongfly/mpv-winbuild/suites/16491527835/artifacts/942229799

This is working. What's wrong with that clang build?

[Andarwinux]

The compilers are different, maybe clang defines -march=x86-64 differently than gcc and then crashes due to missing ISA features. You can try clang i686 build.

[sunnysoren]

So what can I do to run that latest clang build? Do I have to use the 32-bit version?

[Andarwinux]

If this is a llvm problem then you are out of luck, if it is a mpv-winbuild-cmake problem, will try to fix this. If you're unlucky, you may have to keep using gcc build.

[shinchiro]

I would suspect this might be caused by excessive polly optimization or that fcf-protection thing

[Andarwinux]

https://www.intel.com/content/www/us/en/docs/cpp-compiler/developer-guide-reference/2021-8/fcf-protection-qcf-protection.html

Intel® CET protections are enforced on processors that support Intel® CET. They are ignored on processors that do not support Intel® CET, so they are safe to use in programs that might run on a variety of processors.

I think the problem is more likely Polly or cfguard.

[ben-whitehouse]

This is also happening to me to on the latest build after using the updater.bat an hour ago. mpv is not opening, and the updater now gives me "Cannot index into a null array." I'm running Windows 10 on a Macbook Pro with an Intel i7-3720QM CPU. I'll try the other builds you suggest above.

[Andarwinux]

It seems that the CPUs with this problem are Bridge families? Are there any Lake families or AMD that have this problem?

[AlifianK]

Kaby Lake here, mpv runs fine. Intel Core i5 7200U, Windows 11 22H2

[zhongfly]

It seems that the CPUs with this problem are Bridge families? Are there any Lake families or AMD that have this problem?

AMD R5-3600 and R7-6800H works fine.

[sakuhanachan]

Haswell (i5 4690) can run clang's x86_64 and x86_64-v3 build without problem too.

[plissken1138]

The problem was there after update to 20230924 and persists even after update to 20230925 on AMD FX-6300. I'm using umpvw, to mimic the single instance, and see umpvw in process explorer after double clicking on a video file but mpv refuses to open. After reverting to 20230923 I needed to run mpv's installer and then umpvw's installer to make it work as it did before.

I'm always updating with updater.bat and it didn't give me problems before 20230924 update.

[Andarwinux]

You don't actually need to run the updater, just replace mpv.exe.

So any ancient CPU will crash. Need to wait for someone to build a mpv with CFI/OPT disabled. can anyone get backtrace?

[Andarwinux]

https://github.com/shinchiro/mpv-winbuild-cmake/actions/runs/6296189408 https://github.com/shinchiro/mpv-winbuild-cmake/actions/runs/6296190508 https://github.com/shinchiro/mpv-winbuild-cmake/actions/runs/6296191361 https://github.com/shinchiro/mpv-winbuild-cmake/actions/runs/6296192398

@ben-whitehouse @sunnysoren try these

[sunnysoren]

@sunnysoren try these

It is not working. Still using the 20230917 version in the meantime.

[Andarwinux]

@sunnysoren try these

It is not working. Still using the 20230917 version in the meantime.

Do all four of these not working?

[eko5624]

On my sandybrige notebook, all four of these don't work either. But my clang build works fine. @sunnysoren Can you try my build? https://github.com/eko5624/mpv-winbuild/releases/download/2023-09-24/static-mpv-20230924.7z

My clang toolchain repo is here: https://github.com/eko5624/toolchain

[sunnysoren]

Do all four of these not working?

Yeah, Sorry I didn't clarify earlier

[sunnysoren]

@sunnysoren Can you try my build?

I tried. It is running, but with lags and minor unresponsiveness. I'm not sure if it is the UI or the build.

[eko5624]

@sunnysoren Can you try my build?

I tried. It is running, but with lags and minor unresponsiveness. I'm not sure if it is the UI or the build.

Try to add profile=fast to the first line in mpv.conf. Or just remove portable_config directory, and retry.

[PrinceOC912]

Do all four of these not working?

I have the same problem on A6-5400B and none of the builds open for me. The last build I was able to get to work is 20230923

[sunnysoren]

Try to add profile=fast to the first line in mpv.conf.

@eko5624 Yeah I added profile=fast in protable_config/mpv.conf, now it's working. Your build is fine.

[shinchiro]

https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531330046/artifacts/944454133 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531326567/artifacts/944454798 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531322557/artifacts/944492344 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759

Try these build. Previous builds, I forgot to wipe older cache

[eko5624]

https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531330046/artifacts/944454133 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531326567/artifacts/944454798 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531322557/artifacts/944492344 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759

Try these build. Previous builds, I forgot to wipe older cache

All four of these working now on my sandybrige laptop.

[PrinceOC912]

Working for me as well.

[Andarwinux]

Since all four working fine, it doesn't seem to be a CFI/OPT problem. Maybe some sort of build cache problem is causing the x86-64 and x86-64-v3 caches to get mixed up? only the device without AVX crashes.

[shinchiro]

No issue with caches. What I see, polly optimization doesnt work well with mguard+fcf-protection (for older cpu)

Can try with this build a while to see whether it will crash or not? This build is with polly optimization+mguard https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759

[eko5624]

No issue with caches. What I see, polly optimization doesnt work well with mguard+fcf-protection (for older cpu)

Can try with this build a while to see whether it will crash or not? This build is with polly optimization+mguard https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759

This build also works fine.

[Andarwinux]

@eko5624's toolchain also has cfguard+fcf-protection+polly, but everything working fine.

https://github.com/eko5624/toolchain/commit/3189b15117ebc5c8657f7b6197e366ee6e30e581#diff-498c69cbb220ee89374e2b9a3d1b03bea90ac848056b668fdb934c1ff34f5d42R7

[shinchiro]

But slow & unresponsive?

@sunnysoren Can you try my build?

I tried. It is running, but with lags and minor unresponsiveness. I'm not sure if it is the UI or the build.

[Andarwinux]

I suspect it's because mpv recently changed the default profile, profile=fast solved the problem.

Try to add profile=fast to the first line in mpv.conf.

@eko5624 Yeah I added profile=fast in protable_config/mpv.conf, now it's working. Your build is fine.

[plissken1138]

No issue with caches. What I see, polly optimization doesnt work well with mguard+fcf-protection (for older cpu)

Can try with this build a while to see whether it will crash or not? This build is with polly optimization+mguard https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759

This is working fine in my setup even without profile=fast

[eko5624]

Check https://mpv.io/manual/master/#gpu-renderer-options

The default scale has been changed from bilinear to lanczos , higher configuration requirements, not friendly to low-end computers.

[shinchiro]

Can anyone with older cpu reconfirm again today's release fix this issue?

[ben-whitehouse]

Can anyone with older cpu reconfirm again today's release fix this issue?

I downloaded the bootstrapper and did a fresh install (which used mpv-x86_64-20230926-git-90e0828.7z). It did not work, failing in the same way as originally described.

Can try with this build a while to see whether it will crash or not? This build is with polly optimization+mguard https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759

This one does work fine for me.

https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531330046/artifacts/944454133 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531326567/artifacts/944454798 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531322557/artifacts/944492344 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759 Try these build. Previous builds, I forgot to wipe older cache

These 4 also work fine. Again, I'm an Intel i7-3720QM (Ivy Bridge) CPU.

[PrinceOC912]

Not working for me.

[plissken1138]

20230926 is no go on AMD FX-6300 (Win10 Edu 22H2)

[kenarsene]

20230926 not working for me also.

https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531330046/artifacts/944454133 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531326567/artifacts/944454798 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531322557/artifacts/944492344 https://github.com/shinchiro/mpv-winbuild-cmake/suites/16531318651/artifacts/944562759

Try these build. Previous builds, I forgot to wipe older cache

those 4 works.

[shinchiro]

How about this one? https://github.com/shinchiro/mpv-winbuild-cmake/suites/16589118431/artifacts/947908698

[plissken1138]

How about this one? https://github.com/shinchiro/mpv-winbuild-cmake/suites/16589118431/artifacts/947908698

no go. from what I see in process explorer, something named WerFault.exe opens briefly after mpv.exe and then both close.

AMD FX-6300 (Win10 Edu 22H2)

[ben-whitehouse]

How about this one? https://github.com/shinchiro/mpv-winbuild-cmake/suites/16589118431/artifacts/947908698

Doesn't work for me either.

[kenarsene]

How about this one? https://github.com/shinchiro/mpv-winbuild-cmake/suites/16589118431/artifacts/947908698

Not working.

[Andarwinux]

Can anyone experiencing this problem try local build in WSL?

[PrinceOC912]

Can anyone experiencing this problem try local build in WSL?

Tried with 20230926, still doesn't work.

[shinchiro]

Try this one? (for older cpu) https://github.com/shinchiro/mpv-winbuild-cmake/suites/16664918190/artifacts/952299110