On Mon, Mar 21, 2022 at 6:58 PM Jagan Sivakumar <jagansu...@gmail.com> wrote:
>
> Trying to run a sample GO program cross compiled to RISCV platform.
> Getting segmentation violation issues when performing read and write
> in a large array list.
> Kindly let me know how to address the issue
>
> Sample GO Program:
> package main
>
> import (
> "fmt"
> "math/rand"
> )
> func main() {
>
> fmt.Println("Enter array size: ")
> var arraySize int
> fmt.Scanln(&arraySize)
> list := make([]float64, arraySize)
> for i := 0; i < arraySize; i++ {
> list[i] = rand.Float64()
> }
> for i := 0; i < arraySize; i++ {
> if( i % 100000 == 0){
> fmt.Print("Index[")
> fmt.Print(i)
> fmt.Print("] =")
> fmt.Println(list[i])
> }
> }
> }
>
> Compile Command :
> GOOS=linux GOARCH=riscv64 go build -o bin/go-array go-array.go
>
> Error:
> Getting segmentation violation issue when performing read and write in
> large array list.
>
> Logs:
> /go-test # env GOGC=50 GODEBUG=gctrace=1 GOTRACEBACK=crash ./go-array-riscv
> Enter array size:
> 10000000
> gc 1 @1458.220s 0%: 29+14830+12 ms clock, 29+0/3705/0+12 ms cpu,
> 76->76->76 MB, 76 MB goal, 0 MB stacks, 0 MB globals, 1 P
> GC forced
> gc 2 @1593.150s 0%: 27+5800+7.8 ms clock, 27+0/1449/0+7.8 ms cpu,
> 76->76->76 MB, 114 MB goal, 0 MB stacks, 0 MB globals, 1 P
> GC forced
> gc 3 @1719.021s 0%: 33+5560+7.3 ms clock, 33+0/1406/0+7.3 ms cpu,
> 76->76->76 MB, 114 MB goal, 0 MB stacks, 0 MB globals, 1 P
> GC forced
> fatal error: unexpected signal during runtime execution
> [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x0]
Thanks. I don't know why this would happen. If this happens
repeatedly then please open a bug report with all the details at
https://go.dev/issue/new.
Ian
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