On 12/2/18 8:07 AM, 梁权 wrote: > To simplify the problem, i do a test without QT like the following program: > #define MALLOC_SIZE 8*1024*1024 > int main() > { > int err; > char *addr=(char *)0; > time_t now; > struct tm *timenow; > time(&now); > timenow = localtime(&now); > printf("%s\n", asctime(timenow)); > addr = (char *)malloc(MALLOC_SIZE); > if (addr) > printf("malloc ok\n"); > do > { > if (addr){ > memset(addr, 0x12, MALLOC_SIZE/2); > memset(addr + MALLOC_SIZE/2, 0x34, MALLOC_SIZE/2); > } > usleep(1000); > }while(1); > return 0; > } > After i enable the interrupt for several minutes, the error occur: > root@am335x-evm:~/tmp# ./testMemset
Ok, thanks for investing time in creating this test snippet. I'll divert some cycles in a few days to look into this. -- Philippe.