terry@buster:~/lo_hacking/bibisect/bibisect-linux-64-6.4$ git bisect good
2271d580b2952a5900dcc33fe6b6154b7d82dea8 is the first bad commit
commit 2271d580b2952a5900dcc33fe6b6154b7d82dea8
Author: Jenkins Build User <tdf@pollux.tdf>
Date:   Tue Sep 24 15:30:22 2019 +0200

    source sha:058c406c1610df7e557b9405619388465d3f056b
    
    source sha:058c406c1610df7e557b9405619388465d3f056b

:040000 040000 f8f68499123179667bd0f36f47945eaafdc4ba7b 6301f8aefee916d13c48e1854ea57f095552d2cc M	instdir
terry@buster:~/lo_hacking/bibisect/bibisect-linux-64-6.4$ git bisect log
# bad: [c719b4ecc2f8ac2cf67e9ac90fcadd5fac06735b] source sha:c4d760b9edf0399955d30a0dfbe5f7b1b1ed37cb
# good: [0e45c4bad2c2bb20bc0cba7a55e89f9813724924] source sha:c98b1f1cd43b3e109bcaf6324ef2d1f449b34099
git bisect start 'master' 'oldest'
# good: [91eb3810d2b551c7ddb5140fd3d66cc998f36a01] source sha:485274ec00cea328cd426c8d952e70eb0892746d
git bisect good 91eb3810d2b551c7ddb5140fd3d66cc998f36a01
# bad: [37bf97541554334556ef9ea5805a8b6e6459efbe] source sha:b139d1cd129cb76f3664b52b9c02977446f779ec
git bisect bad 37bf97541554334556ef9ea5805a8b6e6459efbe
# good: [69eac2c3dcc9f7ce0ab07273a4f8b32006c3789b] source sha:629dfff3c7289f185268c7088e67931f6bbd9ce0
git bisect good 69eac2c3dcc9f7ce0ab07273a4f8b32006c3789b
# good: [c807d9a1e31bf0c818b0c04030ba13b94508ab9e] source sha:1fbcca1366b0d12db7b0e1b86ea2f502773f6483
git bisect good c807d9a1e31bf0c818b0c04030ba13b94508ab9e
# good: [ac79781abd4f97a8c45a8bbf38b69332fd31be32] source sha:bd2651c74d771ca35bb99a5651a59e1fd3440f0a
git bisect good ac79781abd4f97a8c45a8bbf38b69332fd31be32
# bad: [1e345a3ab501f4c15f6550ce8a466e5b0292a91c] source sha:56b078502b6554e6a53dc30eb3098a6f3d6b9a7c
git bisect bad 1e345a3ab501f4c15f6550ce8a466e5b0292a91c
# good: [e2d97899ec551ec4a22a5ba1706dfc93a7d6fe61] source sha:7d1803d346ce4bf57d95e84563253c592caf4b3c
git bisect good e2d97899ec551ec4a22a5ba1706dfc93a7d6fe61
# bad: [b15ff24bb419de1cc2f1d8dbf2d77d24fb6fbcf1] source sha:bfb7c7be5781246febcffd5fdafd1d74d9dd7bce
git bisect bad b15ff24bb419de1cc2f1d8dbf2d77d24fb6fbcf1
# good: [6488e4e4568ab87c8a7a02ca15c0d4d29153c176] source sha:cda309c1b8302c6bf4e2bbc24afd82f05d552599
git bisect good 6488e4e4568ab87c8a7a02ca15c0d4d29153c176
# bad: [14a115bcae3691f68ec9c106a376ec1681cc8c2f] source sha:a7d40f575463467698df76f041e558cb3bea7c85
git bisect bad 14a115bcae3691f68ec9c106a376ec1681cc8c2f
# bad: [2271d580b2952a5900dcc33fe6b6154b7d82dea8] source sha:058c406c1610df7e557b9405619388465d3f056b
git bisect bad 2271d580b2952a5900dcc33fe6b6154b7d82dea8
# good: [a73c2a2c3f9b562e0e79f31e78ca8040caa84012] source sha:473736e0afefa658b8c1357307f6c4fd5469a7d0
git bisect good a73c2a2c3f9b562e0e79f31e78ca8040caa84012
# first bad commit: [2271d580b2952a5900dcc33fe6b6154b7d82dea8] source sha:058c406c1610df7e557b9405619388465d3f056b