Public bug reported:
# What was expected
I created a program main.cpp:
#include <stdio.h>
#include <stdlib.h>
#include <hip/hip_runtime.h>
#define CHECK_HIP(expr) do { \
hipError_t result = (expr); \
if (result != hipSuccess) { \
fprintf(stderr, "%s:%d: %s (%d)\n", \
__FILE__, __LINE__, \
hipGetErrorString(result), result); \
exit(EXIT_FAILURE); \
} \
} while(0)
__global__ void sq_arr(float *arr, int n) {
int tid = blockDim.x*blockIdx.x + threadIdx.x;
if (tid < n) {
arr[tid] = arr[tid] * arr[tid];
}
}
int main() {
enum { N = 5 };
float hArr[N] = { 1, 2, 3, 4, 5 };
float *dArr;
CHECK_HIP(hipMalloc(&dArr, sizeof(float) * N));
CHECK_HIP(hipMemcpy(dArr, hArr, sizeof(float) * N, hipMemcpyHostToDevice));
sq_arr<<<dim3(1), dim3(32,1,1), 0, 0>>>(dArr, N);
CHECK_HIP(hipMemcpy(hArr, dArr, sizeof(float) * N, hipMemcpyDeviceToHost));
for (int i = 0; i < N; ++i) {
printf("%f\n", hArr[i]);
}
CHECK_HIP(hipFree(dArr));
return 0;
}
I built the program with hipcc, then ran it.
hipcc main.cpp
./a.out
The resulting output was:
1.000000
4.000000
9.000000
16.000000
25.000000
Failed to free ptr:0x7f980f800000 size:2097152
# What was expected
The output should not include "Failed to free ptr:0x7f980f800000
size:2097152".
ltrace seems to indicate that this message is printed during
hsa_shut_down.
# System Info
## lsb_release -rd
Description: Ubuntu Resolute Raccoon (development branch)
Release: 26.04
# apt-cache policy libhsa-runtime64-1
libhsa-runtime64-1:
Installed: 7.1.0+dfsg-0ubuntu6
Candidate: 7.1.0+dfsg-0ubuntu6
Version table:
*** 7.1.0+dfsg-0ubuntu6 500
500 http://archive.ubuntu.com/ubuntu resolute/universe amd64 Packages
100 /var/lib/dpkg/status
** Affects: rocr-runtime (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2142805
Title:
Failed to free ptr in hsa_shutdown
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