08-04-2023, 01:25 PM | #1 |
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Sigil crashing
If I have Sigil open, but don't use it for a few hours, I regularly get a message 'Sigil has encountered a problem. Sigil may need to close.
Error info: Critical: ARB::createContext: wglCreateContextAttribsARB() failed (GL error code: 0x502) for format: QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples 0, swapBehavior QSurfaceFormat:efaultSwapBehavior, swapInterval 1, colorSpace QSurfaceFormat:efaultColorSpace, profile QSurfaceFormat::NoProfile), shared context: 0x30000 (The operation completed successfully.) Sigil version: 1.9.30 Runtime Qt: 5.12.9 Compiled Qt: 5.12.9 System: Windows 10 (10.0) Architecture: x86_64 and another error box: Error info: Critical: GDI::createContext: wglCreateContext failed. (Unknown error 0xc007001f.) Sigil version: 1.9.30 Runtime Qt: 5.12.9 Compiled Qt: 5.12.9 System: Windows 10 (10.0) Architecture: x86_64 and a third box: Error info: Fatal: Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples 0, swapBehavior QSurfaceFormat:efaultSwapBehavior, swapInterval 1, colorSpace QSurfaceFormat:efaultColorSpace, profile QSurfaceFormat::NoProfile) . This is most likely caused by not having the necessary graphics drivers installed. Install a driver providing OpenGL 2.0 or higher, or, if this is not possible, make sure the ANGLE Open GL ES 2.0 emulation libraries (libEGL.dll, libGLESv2.dll and d3dcompiler_*.dll) are available in the application executable's directory or in a location listed in PATH. Sigil version: 1.9.30 Runtime Qt: 5.12.9 Compiled Qt: 5.12.9 System: Windows 10 (10.0) Architecture: x86_64 If I am using Sigil, I have no such problems. I am accessing the machine through Remote desktop, so there is no user activity whatever for a few hours. AFAIK my system and drivers are up to date. |
08-04-2023, 01:38 PM | #2 |
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The internet is full of "Failed to create OpenGL context for format" errors with programs run via Remote Desktop.
Here are just a couple: https://learn.microsoft.com/en-us/an...-reconnect-you https://github.com/plexinc/plex-media-player/issues/742 https://community.rstudio.com/t/rstu...-failing/77559 https://stackoverflow.com/questions/...windows-remote Last edited by DiapDealer; 08-04-2023 at 01:44 PM. |
08-04-2023, 01:43 PM | #3 |
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Meaning that the bug is not in Sigil but in how OpenGL interacts with Remote Desktop. So we cannot unfortunately do anything about it.
In fact it is a well-known and longstanding problem: See for example: https://stackoverflow.com/questions/...windows-remote That said, does turning off Graphics Acceleration in Sigil Preferences help at all? Last edited by KevinH; 08-04-2023 at 03:51 PM. |
08-05-2023, 10:22 AM | #4 |
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This seems to have fixed it
Browse to: Local Computer Policy\Computer Configuration\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Remote Session Environment Find the item “Use WDDM graphics display driver for Remote Desktop Connections” and disable it. |
08-05-2023, 10:43 AM | #5 |
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Thanks for reporting that back. Hopefully it will help others who find this thread who have similar issues.
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08-05-2023, 10:45 AM | #6 | |
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