| Summary: | (Laptop) Intel Skylake HD530, low fps during pages scroll in browsers with kernel 4.14 or newer | ||||||
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| Product: | DRI | Reporter: | Alex <d.7> | ||||
| Component: | DRM/Intel | Assignee: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||
| Severity: | normal | ||||||
| Priority: | medium | CC: | intel-gfx-bugs | ||||
| Version: | unspecified | ||||||
| Hardware: | Other | ||||||
| OS: | All | ||||||
| Whiteboard: | |||||||
| i915 platform: | SKL | i915 features: | |||||
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Possibly related to https://bugzilla.kernel.org/show_bug.cgi?id=198241 Hello Alex, On bug that Spencer mentioned, they point to commit dc911f5bd8aacfcf8aabd5c26c88e04c837a938e as the culprit of the issue, could you confirm if this is also your case?? Thank you. Elizabeth, yes, seems like a performance degradations. Glxgears with kernel < 4.14 - 60+ fps, with kernel > 4.14 - ~48 fps. In my case, this is mostly observably during pages scroll in browsers. Xorg or wayland - it doesn't matter. But in Unigine tests kernels 4.13 and 4.14 have ~same results. Really strange bug. Sorry, i don't know how to build kernel without this commit. If you have fixed kernel or some guide, than I can try to test.
>> Glxgears with kernel 4.13 - 60+ fps, with kernel 4.14 - 48 fps.
fixed
Could you try patch suggested in https://bugs.freedesktop.org/show_bug.cgi?id=103497#c8, with latest stable or tip?? https://www.kernel.org https://cgit.freedesktop.org/drm-tip (In reply to Elizabeth from comment #5) > Could you try patch suggested in > https://bugs.freedesktop.org/show_bug.cgi?id=103497#c8, with latest stable > or tip?? > https://www.kernel.org > https://cgit.freedesktop.org/drm-tip Yes, patch solved the problem. *** This bug has been marked as a duplicate of bug 103497 *** |
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Created attachment 136449 [details] dmesg I have low fps during pages scroll in browsers with kernel 4.14 or newer. Laptop Dell Latitude E5570 (FY38RF2) with i5-6440HQ and Intel HD Graphics 530 (Skylake). Platform: x86_64 Kernel: 4.14.8-1-ARCH Linux distribution: Arch Linux Machine: Dell Latitude E5570 (FY38RF2)