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Old 04-24-2025, 08:38 PM   #31
KevinH
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I still think these core-2-duos lack the AVX and SSE4 registers the latest Qt/Chromium code required (mistakenly).

I will look to see if I can find the official bug report.

Update:

Here it is.

https://bugreports.qt.io/browse/QTBUG-123811

No fixed version provided yet. So. if these older core2duos do not have the AVX and SSE4 registers, QtWebEngine crashes.

A web search fore Core 2 Duos and AVX returns the following:

Quote:
Core 2 Duo processors do not have Advanced Vector Extensions (AVX) or Streaming SIMD Extensions 4 (SSE4) registers.
There are tentative patches (Gerrit changes) we could probably integrate in our own versions of Qt to work around this. Or perhaps since this involves all chromium code, google has fixed it in later versions.
Last edited by KevinH; 04-24-2025 at 08:54 PM.
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Old 04-25-2025, 08:34 AM   #32
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You're probably right. So far, we only have the one report of setting the QSG_RHI_BACKEND variable working on a Mac.
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Old 04-25-2025, 10:28 AM   #33
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It would be interesting to know what would happen if a user tried using the Intel® Software Development Emulator (Intel® SDE)
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