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From: Yucong Sun <fallentree@fb.com>
To: <bpf@vger.kernel.org>
Cc: <andrii@kernel.org>, <fallentree@fb.com>, <sunyucong@gmail.com>
Subject: [PATCH bpf-next] selftests/bpf: workaround stdout issue in VM launched by vmtest.sh
Date: Tue, 22 Feb 2022 16:05:44 -0800	[thread overview]
Message-ID: <20220223000544.3524440-1-fallentree@fb.com> (raw)

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@fb.com>
---
 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


             reply	other threads:[~2022-02-23  0:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-23  0:05 Yucong Sun [this message]
2022-02-23  5:18 ` [PATCH bpf-next] selftests/bpf: workaround stdout issue in VM launched by vmtest.sh Song Liu
2022-02-23 19:02   ` sunyucong

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