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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-25 00:18:46 -0400 |
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| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-25 00:18:46 -0400 |
| commit | 0ed3ad45c4a4a88c1b28dbe1dcdababbeb094d41 (patch) | |
| tree | 2fb1bea837a3c56ac9ad3cbb6e2c6d66c0eb5a17 /userspace/cuda/README.md | |
| parent | 148e65754832ee29e8d3ae13ded219402e2d0fbd (diff) | |
| download | open-iov-0ed3ad45c4a4a88c1b28dbe1dcdababbeb094d41.tar.gz open-iov-0ed3ad45c4a4a88c1b28dbe1dcdababbeb094d41.zip | |
docs + nvkmstrace: the GL/Vulkan wall fully bisected (SESSION 65) - ALLOC_DEVICE reply status 5 (CORE_CHANNEL_ALLOC_FAILED) decoded by the LD_PRELOAD nvKms logger with a widened reply scan; the empty display capability notifier is the first missing piece (a live-gdb fill of SYS_CAP/SYS_CAPB flips the driver to the window path, proving numWindows>0 unblocks it); the residual wall is the vGPU-guest display-class rejection: nvRmApiAlloc(0xc57e) returns NV_ERR_NOT_SUPPORTED inside the guest kernel and never reaches the emulated GSP - the guest runs in vGPU mode where display/modeset classes are host-service-provided by design
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