[Libreoffice-bugs] [Bug 105084] 64-Bit Windows LibreOffice Applications hang on startup (Intel OpenCL SDK)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=105084

--- Comment #25 from Devin Hussey <husseydevin at gmail.com> ---
Confirmed on a Fujitsu Lifebook P771.

Windows 10 Pro x64 1809, build 17763.134
Intel Core i7-2617M vPro (Sandy Bridge) @ 1.50 GHz
Intel HD Graphics 3000 integrated graphics (maybe our culprit), no secondary
card
Intel driver 9.17.10.4459 (latest from Windows Update causes blurry text, and
the card does show up as "unsupported")
4 GB RAM
1280x800 display

LibreOffice:
Version: 6.1.3.2 (x64)
Build ID: 86daf60bf00efa86ad547e59e09d6bb77c699acb
CPU threads: 4; OS: Windows 10.0; UI render: default; 
Locale: en-US (en_US); Calc: threaded 

When starting it from a clean install (just reinstalled to upgrade to x64), it
hangs on a blank screen when running LibreOffice with 40% CPU usage according
to Task Manager. Launching Writer causes a silent background process that
apparently restarts itself over and over. 

Starting in Safe Mode and disabling hardware acceleration makes things work
without issues.

It does appear that OpenGL blacklists the 3000, but OpenCL does not. Perhaps we
should blacklist it until we fix it?

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