# Fullscreen Games Freeze on Plasma 6 with dGPU

**URL:** <https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088>\
**Category:** Linux\
**Tags:** arch\
**Created:** [November 29, 2024, 11:25pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088 "2024-11-29T23:25:37Z")\
**Posts on this page:** 12\
**Page:** 2

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**Author:** ![Owen](https://avatars.discourse-cdn.com/v4/letter/o/b2d939/32.png) [@Owen](https://community.frame.work/u/Owen)\
**Post date:** [December 12, 2024, 8:32pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/22 "2024-12-12T20:32:16Z")

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Ok! Completed the bisection and got a lot of new info here. First off, the offending commit is [drm/amd/display: Re-enable panel replay feature](https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.4&id=be64336307a6c3ee71fe1337c1b9f0495aa83c50). Interestingly, it looks like there was already some problems it caused on FW16 that have been discussed, some very similar to this issue - however, from what I can find in bug reports, the issue was supposed to be fixed in 6.12, which it obviously has not fully been. Last bug report that’s related is [here,](https://gitlab.freedesktop.org/drm/amd/-/issues/3686) seems to be the same issue.

I’ll build latest myself just to make sure - already tried it from fedora rawhide but those kernels aren’t always the same as from the source tree so I’ll make sure, if still broken there I’ll reopen the issue over on freedesktop.

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**Author:** ![Owen](https://avatars.discourse-cdn.com/v4/letter/o/b2d939/32.png) [@Owen](https://community.frame.work/u/Owen)\
**Post date:** [December 12, 2024, 9:33pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/23 "2024-12-12T21:33:03Z")

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Ok, so now I’m really confused. Compiled 6.13 myself and it works fine. Fedora’s rawhide of the same version (even same rc!) does not. And given that OP was on arch and using 6.12 (the version where it was meant to be solved) it seems something is different with both Fedora and Arch’s kernels from the source tree. Going to look into this some more, if anyone has any ideas let me know.

Edit: just confirmed that the fix has still been committed to fedora’s kernel, so I _really_ have no clue why it’s still broken.

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**Author:** ![Matti\_Viljanen](https://sea1.discourse-cdn.com/flex001/user_avatar/community.frame.work/matti_viljanen/32/30821_2.png) [@Matti\_Viljanen](https://community.frame.work/u/Matti_Viljanen)\
**Post date:** [December 14, 2024, 10:01am UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/24 "2024-12-14T10:01:52Z")

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I’m running Manjaro Plasma unstable here with kernel 6.12.4-1-MANJARO currently, and I ran into this with my Framework 16 iGPU (I don’t yet have the dGPU). I couldn’t use adaptive sync at all, or the display would freeze constantly. I read the bug linked here, and I tried what [this post](https://gitlab.freedesktop.org/drm/amd/-/issues/3686#note_2700418) suggested and added `amdgpu.dcdebugmask=0x400` to my kernel parameters. Now I’m able to use adaptive sync in display settings, as well as play Trackmania in full screen mode.

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**Author:** ![magnificent\_wombat](https://avatars.discourse-cdn.com/v4/letter/m/3ec8ea/32.png) [@magnificent\_wombat](https://community.frame.work/u/magnificent_wombat)\
**Post date:** [December 15, 2024, 7:01pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/25 "2024-12-15T19:01:31Z")

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Thanks @Matti_Viljanen, I can confirm that using `amdgpu.dcdebugmask=0x400` works as a workaround.

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**Author:** ![NikoIogy](https://avatars.discourse-cdn.com/v4/letter/n/71c47a/32.png) [@NikoIogy](https://community.frame.work/u/NikoIogy)\
**Post date:** [December 30, 2024, 5:36am UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/26 "2024-12-30T05:36:30Z")

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Can confirm this fixed the issue for me. I am using Fedora 41 on the Framework 16 with the dGPU AMD Radeon RX 7700S.

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**Author:** ![TechPriestNhyk](https://sea1.discourse-cdn.com/flex001/user_avatar/community.frame.work/techpriestnhyk/32/27853_2.png) [@TechPriestNhyk](https://community.frame.work/u/TechPriestNhyk)\
**Post date:** [December 31, 2024, 2:14pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/27 "2024-12-31T14:14:22Z")

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It doesn’t fix it for me, but I’ve been able to work around it by rebooting when it happens.

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**Author:** ![mire3212](https://avatars.discourse-cdn.com/v4/letter/m/59ef9b/32.png) [@mire3212](https://community.frame.work/u/mire3212)\
**Post date:** [January 4, 2025, 10:41pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/28 "2025-01-04T22:41:57Z")

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I tested downgrading from Kernel 6.12.7 to 6.10.9 and my games work TONS better. I haven’t tested the 6.11.X kernels, nor have I tried LTS.  
I’m tempted to try the kernel parameters with 6.12.X, but I haven’t gotten that far since it’s working well as is.

Framework 16  
AMD Ryzen 9 7940HS w/ Radeon 780M Graphics  
AMD Radeon 7700S

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**Author:** ![mire3212](https://avatars.discourse-cdn.com/v4/letter/m/59ef9b/32.png) [@mire3212](https://community.frame.work/u/mire3212)\
**Post date:** [January 5, 2025, 11:25pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/29 "2025-01-05T23:25:46Z")

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I’ve tested 6.12.8 with the suggestion to add the `amdgpu.dcdebugmask=0x400` parameter (added via `/etc/default/grub`), and it seems that it’s working just as good as Kernel 6.10.9 was.

Good find!

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**Author:** ![Bearacuda](https://avatars.discourse-cdn.com/v4/letter/b/85e7bf/32.png) [@Bearacuda](https://community.frame.work/u/Bearacuda)\
**Post date:** [January 19, 2025, 10:50pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/30 "2025-01-19T22:50:45Z")

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Just wanted to give a shout out to y’all for providing the solution to this problem. Drove me nuts for two days thinking the issue was tied to DXVK, Proton, or something like an install in the prefix that was missing (mostly troubleshooting for gaming). I even switched from Bazzite to Fedora to see if it was either a borked install or something not playing nice in Bazzite.

I’ve tested adding `amdgpu.dcdebugmask=0x400` to `/etc/default/grub` on 6.12.9 and it’s finally working. Might be worth Framework throwing this into a KB article or something like that until the issue is resolved.

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**Author:** ![Owen](https://avatars.discourse-cdn.com/v4/letter/o/b2d939/32.png) [@Owen](https://community.frame.work/u/Owen)\
**Post date:** [March 1, 2025, 7:46am UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/31 "2025-03-01T07:46:31Z")

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Note to my friends on Fedora - latest kernel releases (I’m testing on 6.13.5) seem to have fixed the underlying issue that panel replay wasn’t working properly. So if you’re on fedora, you should be able to remove the `amdgpu.dcdebugmask=0x400` workaround and be fine. Might be worth a try now on any other distros too.

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**Author:** ![Bearacuda](https://avatars.discourse-cdn.com/v4/letter/b/85e7bf/32.png) [@Bearacuda](https://community.frame.work/u/Bearacuda)\
**Post date:** [March 21, 2025, 4:04pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/32 "2025-03-21T16:04:23Z")

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Wanted to throw out a thanks for this. I removed the workaround and things are working normally! Thanks for the update!

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**Author:** ![system](https://us1.discourse-cdn.com/flex001/uploads/framework3/original/1X/64c81a89f963ddb07633887baceb642a4b056046.png) [@system](https://community.frame.work/u/system)\
**Post date:** [September 17, 2025, 4:04pm UTC](https://community.frame.work/t/fullscreen-games-freeze-on-plasma-6-with-dgpu/61088/33 "2025-09-17T16:04:26Z")

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