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authorArthur Hanson Rasmusson <arthur@vgpu.io>2026-10-06 22:50:15 -0400
committerArthur Hanson Rasmusson <arthur@vgpu.io>2026-10-06 22:50:15 -0400
commitd0a1ca21d24b4d05385d95eefa9930e505206b8f (patch)
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vgsp: mode 35 m62 readback + m63 E2 lane-enable tail
m62 diagnostic: V7 instance/ramfc on host-visible sysmem chunks so the server's WFI-pointer/TARGET-bit writes are decodable (captured lane uses unreadable FBMEM slices); decode calls post-promotes and post-construct. m63 E2: send the real CUDA lane-enable tail after stage-4 schedules (R2 #1059 NV2080_CTRL_CMD_GR_SET_CTXSW_PREEMPTION_MODE flags=CILP_SET hChannelGroup=TSG cilp=CILP on the subdevice, #1061 NVA06C_CTRL_CMD_SET_TIMESLICE 0x800 on the TSG, #1063 NV01 device 0x00802009 enable=1). Ground truth: live real CUDA runs with FECS_CURRENT_CTX VALID=1; our m61 snapshots show V7's context never valid, and the SKED CWD table never leaves the cold value. Best-effort, mode-35 only.
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