make -C tools/testing/selftests TARGETS="net" TEST_PROGS=busy_poll_test.shh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: busy_poll_test.sh
# 56.32 [+56.32] 2025/04/09 07:53:33 socat[10442] E write(8, 0x56136d8dc000, 8192): Connection reset by peer
# 56.51 [+0.19] md5sum mismatch
# 56.51 [+0.00] input file md5sum: 05781a90a1cdc5dc37c5b427391ece1e
# 56.52 [+0.00] output file md5sum: d41d8cd98f00b204e9800998ecf8427e
# 56.58 [+0.06] test_busypoll failed
not ok 1 selftests: net: busy_poll_test.sh # exit=1
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->