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Bad allocations in memory pool after device_reset! #16

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maleadt opened this issue May 25, 2020 · 1 comment
Closed

Bad allocations in memory pool after device_reset! #16

maleadt opened this issue May 25, 2020 · 1 comment
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bug Something isn't working cuda array Stuff about CuArray.

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@maleadt
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maleadt commented May 25, 2020

julia> using CUDA
[ Info: Precompiling CUDA [052768ef-5323-5732-b1bb-66c8b64840ba]

julia> CuArray([1])
1-element CuArray{Int64,1,Nothing}:
 1

julia> GC.gc(true)

julia> CUDA.device_reset!()

julia> CuArray([1])
ERROR: CUDA error: context is destroyed (code 709, ERROR_CONTEXT_IS_DESTROYED)
Stacktrace:
 [1] throw_api_error(::CUDA.cudaError_enum) at /home/tim/Julia/pkg/CUDA/lib/cuda/error.jl:103
 [2] macro expansion at /home/tim/Julia/pkg/CUDA/lib/cuda/error.jl:110 [inlined]
 [3] cuMemAlloc_v2(::Base.RefValue{CuPtr{Nothing}}, ::Int64) at /home/tim/Julia/pkg/CUDA/lib/utils/call.jl:93
 [4] alloc at /home/tim/Julia/pkg/CUDA/lib/cuda/memory.jl:73 [inlined]
 [5] macro expansion at /home/tim/Julia/depot/packages/TimerOutputs/NvIUx/src/TimerOutput.jl:245 [inlined]
 [6] macro expansion at /home/tim/Julia/pkg/CUDA/src/memory.jl:101 [inlined]
 [7] macro expansion at ./timing.jl:233 [inlined]
 [8] actual_alloc(::Int64) at /home/tim/Julia/pkg/CUDA/src/memory.jl:100
 [9] actual_alloc at /home/tim/Julia/pkg/CUDA/src/memory/binned.jl:54 [inlined]
 [10] macro expansion at /home/tim/Julia/pkg/CUDA/src/memory/binned.jl:249 [inlined]
 [11] macro expansion at /home/tim/Julia/depot/packages/TimerOutputs/NvIUx/src/TimerOutput.jl:245 [inlined]
 [12] pool_alloc(::Int64, ::Int64) at /home/tim/Julia/pkg/CUDA/src/memory/binned.jl:248
 [13] alloc(::Int64) at /home/tim/Julia/pkg/CUDA/src/memory/binned.jl:388
 [14] macro expansion at /home/tim/Julia/depot/packages/TimerOutputs/NvIUx/src/TimerOutput.jl:245 [inlined]
 [15] macro expansion at /home/tim/Julia/pkg/CUDA/src/memory.jl:212 [inlined]
 [16] macro expansion at ./timing.jl:233 [inlined]
 [17] alloc at /home/tim/Julia/pkg/CUDA/src/memory.jl:211 [inlined]
 [18] (CuArray{Int64,1,P} where P)(::UndefInitializer, ::Tuple{Int64}) at /home/tim/Julia/pkg/CUDA/src/array.jl:109
 [19] CuArray at /home/tim/Julia/pkg/CUDA/src/array.jl:193 [inlined]
 [20] CuArray(::Array{Int64,1}) at /home/tim/Julia/pkg/CUDA/src/array.jl:204
 [21] top-level scope at REPL[5]:1
@maleadt maleadt added bug Something isn't working cuda array Stuff about CuArray. labels May 25, 2020
@maleadt
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maleadt commented Aug 25, 2020

#253

@maleadt maleadt closed this as completed Aug 25, 2020
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