On Tue, Feb 22, 2022 at 4:06 PM Yucong Sun <fallentree@xxxxxx> wrote:
>
> This apply a workaround to fix stdout issue in `./vmtest.sh` invocations,
> but doesn't work on `./vmtest.sh -s`
>
> Signed-off-by: Yucong Sun <fallentree@xxxxxx>
Could you please provide more information about the issue?
> ---
> tools/testing/selftests/bpf/vmtest.sh | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh
> index e0bb04a97e10..a9f943a84ed5 100755
> --- a/tools/testing/selftests/bpf/vmtest.sh
> +++ b/tools/testing/selftests/bpf/vmtest.sh
> @@ -184,6 +184,10 @@ EOF
> fi
>
> sudo bash -c "echo '#!/bin/bash' > ${init_script}"
> + sudo bash -c "cat >>${init_script}" <<EOF
> +# Force rebinding stdout/stderr to /dev/ttyS0, to workaround a mysterious issue
> +exec 1>/dev/ttyS0 2>/dev/ttyS0
> +EOF
>
> if [[ "${command}" != "" ]]; then
> sudo bash -c "cat >>${init_script}" <<EOF
> --
> 2.30.2
>
