https://bugs.documentfoundation.org/show_bug.cgi?id=172836

V Stuart Foote <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #7 from V Stuart Foote <[email protected]> ---
Going to reopen this.

Version: 26.8.0.3 (X86_64)
Build ID: bce0998afefdbc355585ca324285661a2170ba77
CPU threads: 8; OS: Windows 11 X86_64 (build 26200); UI render: Skia/Vulkan;
VCL: win
Locale: en-US (en_US); UI: en-US
Calc: threaded

On an Intel based laptop with Win11 (25H2) with marginal Intel Iris Plus GPU,
if I override from Tools -> Options -> View and enable Vulkan rendering with
'Force skia hardware acceleration' (disabled now default for 26.8 builds), the
UI is unstable if Vulkan is active and *if* I keep the default font lists
handling to 'Show preview of fonts'.

With Vulkan, if I disable the font list previews, the UI is stable and
responsive. But when the font list previews are enabled, the UI will crash and
relaunch. 

But it does not revert to skia Raster mode rendering. Comes back up with skia
Vulkan enabled, and crashes with each selection from text and UI for the PS or
attempting a font change. Seems like the Vulkan crash should still revert to
skia Raster rendering--which I think we already have that with on launch
graphics testing, and should be plumbed in here as well?

I know this is a resource issue (only 128Mb of VRAM, with 8Gb of shared system
RAM), this is sort of new though, some facet of doing the font list
previews/holding them in skia graphics memory is causing issues.

Work around  by disabling the font list previews, or only using skia Raster
framing "software" mode, now default.

And, I am not having similar issues on more robust GPU.

skia.log for this 10th gen Intel system (a Samsung 950GCG 2-in-1 tablet)
RenderMethod: vulkan
Vendor: 0x8086
Device: 0x8a52
API: 1.3.215
Driver: 0.404.2141
DeviceType: integrated
DeviceName: Intel(R) Iris(R) Plus Graphics
Denylisted: no


Operated with the latest Intel WDDM 3.1 101.2141 driver suite (31.0.101.2141,
2026-03-30) available for this 10th Gen CPU and iGPU.

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