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GPU crashes despite very low memory usage

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  • GPU crashes despite very low memory usage

    While the GTX1080 (vram 6.46GB) RT stats show me "memory 0.21/6.46GB", with GTX570 (vram 1.28GB) render log shows me this message:

    An error has occurred on device GeForce GTX 570 (2)
    a PTX JIT compilation failed < cuModuleLoadData < < loadPTXData < initContext <
    Device GeForce GTX 570 (2) cannot be initialized properly.

    No program or monitor is running on the 570 so logically it have 0.21GB available. So why does it crashes?
    Last edited by Sylk; 07-30-2019, 12:13 AM.
    Software: FStormRender: 1.5.0h | Drivers NV: 456.71 | 3dsMax: 2020.3 | Windows: 10 x64
    Hardware: Gpu: GTX1080 Phoenix GLH | Cpu: i7-2600k@4.5GHz | Ram: 16GB | SSD: Samsung 860 Pro

  • #2
    And VRAM Leak!! a vid to show you this bug

    Software: FStormRender: 1.5.0h | Drivers NV: 456.71 | 3dsMax: 2020.3 | Windows: 10 x64
    Hardware: Gpu: GTX1080 Phoenix GLH | Cpu: i7-2600k@4.5GHz | Ram: 16GB | SSD: Samsung 860 Pro

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    • #3
      This error is not about out of memory.
      There was a broken support of old gpus.
      try fstorm 1.3.3f

      Comment


      • #4
        Originally posted by Karba View Post
        try fstorm 1.3.3f
        Same issue with 1.3.3f. My GTX570 crashes (even fully unchecked, so supposedly unused, as you can see it on vid) and its used vram climbs by step of 51MB for each RT launch, and drops only by 3dsmax closure. Looks like a missing garbage collector or something like this to freeing its vram.

        Not sure if vram usage and crash are linked. However, perhaps issue is not due to rendering himself but to something excecuted directly after "run rt" button clicking (as you can see, the vram climbs by clicking, before the rt window start to opening).
        Software: FStormRender: 1.5.0h | Drivers NV: 456.71 | 3dsMax: 2020.3 | Windows: 10 x64
        Hardware: Gpu: GTX1080 Phoenix GLH | Cpu: i7-2600k@4.5GHz | Ram: 16GB | SSD: Samsung 860 Pro

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        • #5
          Test: E.g. Instead of "v1.3.3f" with max 2020, i tried "v1.0.0b log" with 2017, and GTX570 works perfectly. No crash and vram is properly emptied when RT window is closed. See vid:

          Software: FStormRender: 1.5.0h | Drivers NV: 456.71 | 3dsMax: 2020.3 | Windows: 10 x64
          Hardware: Gpu: GTX1080 Phoenix GLH | Cpu: i7-2600k@4.5GHz | Ram: 16GB | SSD: Samsung 860 Pro

          Comment


          • #6
            Originally posted by Karba View Post
            This error is not about out of memory.
            There was a broken support of old gpus.
            try fstorm 1.3.3f
            Unfortunately, 1.3.3g doesnt restore support of old GPUs.
            Software: FStormRender: 1.5.0h | Drivers NV: 456.71 | 3dsMax: 2020.3 | Windows: 10 x64
            Hardware: Gpu: GTX1080 Phoenix GLH | Cpu: i7-2600k@4.5GHz | Ram: 16GB | SSD: Samsung 860 Pro

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            • #7
              Originally posted by Sylk View Post

              Unfortunately, 1.3.3g doesnt restore support of old GPUs.
              should be fixed in 1.3.3h. please try

              Comment


              • #8
                Originally posted by Karba View Post
                should be fixed in 1.3.3h. please try
                Did it and I can confirm that it works as expected.



                Thank you so much.
                Software: FStormRender: 1.5.0h | Drivers NV: 456.71 | 3dsMax: 2020.3 | Windows: 10 x64
                Hardware: Gpu: GTX1080 Phoenix GLH | Cpu: i7-2600k@4.5GHz | Ram: 16GB | SSD: Samsung 860 Pro

                Comment


                • #9
                  Is there a way to clear the GPU memory? I'm on max 2020 with a RTX 2080 ti, and when I run the RT mode often and do lots of updates, after a while windows can barely run. I have to restart windows to clear the memory. Not sure if this is a max or fstorm issue. Love the render system though!

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                  • #10
                    Originally posted by mediopolis View Post
                    Is there a way to clear the GPU memory? I'm on max 2020 with a RTX 2080 ti, and when I run the RT mode often and do lots of updates, after a while windows can barely run. I have to restart windows to clear the memory. Not sure if this is a max or fstorm issue. Love the render system though!
                    Doesn't 3ds max restart help?

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                    • #11
                      That did work sometimes, but twice I had to restart windows. Although I found these commands that seem to help out. gc()
                      freescenebitmaps()
                      clearUndoBuffer()

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