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AlexandreRouma / SDRPlusPlus

Cross-Platform SDR Software
GNU General Public License v3.0
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[error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig #260

Closed TS440S closed 3 years ago

TS440S commented 3 years ago

I installed Pop OS on an old Dell workstation computer with old integrated graphics. The OS works ok but I haven't been able to update it yet since the System76 PPA servers have been offline for the last day. When I try to launch SDR++, it gives this error: [error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig. I've seen that a graphics driver update could resolve this issue, and it may work once the server is back online. But I've installed it on two different computers from the same era with different gpus and they both threw the error. Any ideas on a solution? The error does not show up on my modern PC running the same OS.

waterwin commented 3 years ago

Your graphics card might be too old to run OpenGL above version 2.1

TS440S commented 3 years ago

Oh dear.. That's probably what it is. That sucks.

AlexandreRouma commented 3 years ago

gonna work on supporting older GLs

TS440S commented 3 years ago

Alright! Well I will check in occasionally and try new versions to see if they work. Thanks btw for this awesome program, It's really really good.

waterwin commented 3 years ago

Sometimes there is only one way and that is forward. Just found out that the Windows laptop also only has OpenGL 2.1, Intel driver already the latest.

TS440S commented 3 years ago

What does that mean for Linux? I think it works on windows even on the old machines at this time

waterwin commented 3 years ago

Define "old" ;-) and "it" and "that"

As far as I understand it: specific hardware needs a driver for the OS you want to use. My laptops have Intel HD Graphics. Intel decided to not make newer Linux drivers for this hardware. Since many years ago. Also specific software tricks in newer graphics software might need newer or faster hardware or hardware with a different architecture. OpenGL in its latest versions uses all the new tricks developed lately. Not all tricks used by software developers integrating OpenGL will work with older versions of OpenGL and mutatis mutandis not with older drivers or older hardware.

Example: if your software or driver would only work with a dedicated floating point co-processor (FPU) it would not work with older cpu's not having that kind of extra.

And Linux is not different from OSX or Windows in regard to the above.

AlexandreRouma commented 3 years ago

Gonna need full startup logs on a non working system. Trying to add a work around for this.

TS440S commented 3 years ago

You want the output of terminal when I run “sdrpp”? Is there another log somewhere I should send you?

As far as old goes, we’re trying to run sdr++ on two computers from 2008-2014 era. Not sure exactly what year either were made but I can get you a full specs list later.

“It” is SDR++ ”That” was referring to the previous comment before I said that.

AlexandreRouma commented 3 years ago

yeah, just run it in a terminal (adding the -s parameter if you're on windows) and send the full logs until the crash. I wanna know exactly at which part of loading OpenGL is unhappy.

TS440S commented 3 years ago

Terminal output: $ sdrpp [2021-08-16 17:32:32.112] [info] SDR++ v1.0.3 [2021-08-16 17:32:32.112] [info] Loading config [2021-08-16 17:32:32.157] [error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig

I know that's not super helpful but that's what it puts out.

The SDR++ window never appears.

AlexandreRouma commented 3 years ago

it's enough for me to know where it happens. Seems to be where I thought it was: when asking glfw for a specific opengl version. I'll see what I can do about it.

TS440S commented 3 years ago

Thank you so much for being responsive and looking into it!

Lesprilibre commented 3 years ago

gonna work on supporting older GLs

Thanks a lot !

AlexandreRouma commented 3 years ago

I've (hopefully) added support for OpenGL 2.1 as well as OpenGL ES, could you try the latest commit and see if it runs properly? (If you wait a few minutes from now, the automated build will be done so you can try that if you prefer)

waterwin commented 3 years ago

Can you please advise from where to download latest automated build? I only find the releases which is same as before. Thank you.

TS440S commented 3 years ago

I compiled from the source and this is what I get

sdrpp [2021-08-21 17:07:59.989] [info] SDR++ v1.0.4 [2021-08-21 17:08:00.023] [info] Loading config [2021-08-21 17:08:03.843] [error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig [2021-08-21 17:08:03.916] [info] OpenGL 3.0 was not supported [2021-08-21 17:08:04.038] [error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig [2021-08-21 17:08:04.087] [info] OpenGL 3.1 ES was not supported [2021-08-21 17:08:04.087] [error] Glfw Error 65540: Invalid OpenGL ES version 2.1 [2021-08-21 17:08:04.087] [info] OpenGL 2.1 was not supported sdrpp: /build/glfw3-KLyziG/glfw3-3.3.2/src/window.c:1040: glfwSetWindowMaximizeCallback: Assertion window != NULL failed. Aborted (core dumped)

AlexandreRouma commented 3 years ago

I compiled from the source and this is what I get

My bad, looks like I forgot a line. I pushed a fix just now, try the latest commit

Can you please advise from where to download latest automated build? I only find the releases which is same as before. Thank you.

Each commit is built and available through the "Actions" tab At the time of writing this, the latest commit still has an orange sign next to it meaning it's compiling. When it becomes a green checkmark, click on it and scroll down to the "Artifacts" section. You can then click on the file you want to download it

TS440S commented 3 years ago

sdrpp [2021-08-21 18:03:28.272] [info] SDR++ v1.0.4 [2021-08-21 18:03:28.273] [info] Loading config [2021-08-21 18:03:32.636] [error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig [2021-08-21 18:03:32.736] [info] OpenGL 3.0 was not supported [2021-08-21 18:03:32.782] [error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig [2021-08-21 18:03:32.793] [info] OpenGL 3.1 ES was not supported [2021-08-21 18:03:32.839] [error] Glfw Error 65543: GLX: Failed to create context: GLXBadFBConfig [2021-08-21 18:03:32.840] [info] OpenGL 2.1 was not supported sdrpp: /build/glfw3-KLyziG/glfw3-3.3.2/src/window.c:1040: glfwSetWindowMaximizeCallback: Assertion `window != NULL' failed. Aborted (core dumped)

same error as before

AlexandreRouma commented 3 years ago

This means your computer just doesn't support OpenGL, I'm afraid SDR++ won't work well for you in that case.

~You can try software rendering with Mesa3D but expect very poor performance.~

Edit: try running glxinfo | grep opengl

TS440S commented 3 years ago

I ran glxinfo | grep opengl but it didn't print anything and just returned the line. Was it supposed to say something as the output?

AlexandreRouma commented 3 years ago

then you really don't have any OpenGL support at the moment.

Are you sure your graphics drivers are properly installed?

Could you give me info on your hardware

TS440S commented 3 years ago

https://linux-hardware.org/?probe=4fa1d0db49

There's the hardware probe. Maybe it is just too old. :/ bummer

AlexandreRouma commented 3 years ago

looks like it only supports opengl 1.4 Can't support that sorry, looks like it's too old. Adding basically any GPU made in the last 10 years would fix this issue

TS440S commented 3 years ago

Alright. Didn’t realize it was so old!

On Sat, Aug 21, 2021 at 6:41 PM AlexandreRouma @.***> wrote:

looks like it only supports opengl 1.4 Can't support that sorry, looks like it's too old. Adding basically any GPU made in the last 10 years would fix this issue

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waterwin commented 3 years ago

And works with my HP EliteBook 2540p Intel HD Graphics supporting OpenGL 2.1 Well done Sir and thank you! Only ran a short FM test with Pluto+. Starting sdrpp -s first checks for OpenGL 3.0 then OpenGL 3.1 ES and then finds OpenGL 2.1

With cmake-gui I had to switch off airspyhf and airspyhf_source modules. A first for me to get so deep into the build system.

AlexandreRouma commented 3 years ago

I'm closing this issue since this issue seems to be fixed by supporting slightly older OpenGL version.