terry@buster:~/lo_hacking/bibisect/bibisect-linux-64-6.3$ git bisect bad
998e100d322541e7d24455605cd28b2fb6aa19fc is the first bad commit
commit 998e100d322541e7d24455605cd28b2fb6aa19fc
Author: Jenkins Build User <tdf@pollux.tdf>
Date:   Wed Jul 3 18:37:49 2019 +0200

    source sha:76b5dca9dc0ff60f8f62cbecdee68f8f3b287ceb
    
    source sha:76b5dca9dc0ff60f8f62cbecdee68f8f3b287ceb

:040000 040000 b67888346a5c8cabaaca6b6043eb0bca9aaca6ec e2d8000e8ee4ee84e7fa2e088e259d52233c2dfc M	instdir
terry@buster:~/lo_hacking/bibisect/bibisect-linux-64-6.3$ git bisect log
# bad: [ab59b18e6835c0c68d91adef82c576abb10f671b] source sha:5f48428533e928868c11ddd00cc449a54d0cdfd9
# good: [cbe79d197e743d9c38dd1c13c781212e7834bfab] source sha:a20a2d7e0d28658f2d9089da076961a599833a28
git bisect start 'master' 'oldest'
# good: [b3c58ea817b35939c4309eece9ce9ba00589b2b2] source sha:fce6f470d2887833d22d7cffe4c035df1599c7a5
git bisect good b3c58ea817b35939c4309eece9ce9ba00589b2b2
# good: [3e231ca40707c19bbabefcacaed35645f2e5891c] source sha:2e7aa6f7a5669e7c2b4029ef8b0785a7dbdee0eb
git bisect good 3e231ca40707c19bbabefcacaed35645f2e5891c
# good: [f59a0dae715c68bf36b44b77fef382654f315b3b] source sha:aa6b59c4bc4462b451cd6fe674b8fb8600698b2b
git bisect good f59a0dae715c68bf36b44b77fef382654f315b3b
# good: [f9f35d3ae829de0ed0618b6d3bd2b0c9dbb8f3cd] source sha:2574ce0f2dc711e71b4799bbd76d5d8b6ec04300
git bisect good f9f35d3ae829de0ed0618b6d3bd2b0c9dbb8f3cd
# good: [1cca1199b6200e517d3f920d74a28521e9308767] source sha:2ab93756963727b8dde43b405e2daee3e1bf9deb
git bisect good 1cca1199b6200e517d3f920d74a28521e9308767
# good: [4fa662007dbb1a5295f260d4b2d53aa04edbabd3] source sha:804c9453cf1cd636959872f71b694544ffd3f76f
git bisect good 4fa662007dbb1a5295f260d4b2d53aa04edbabd3
# bad: [e4f566bbb8d7c24ad1d081feaae773cd4ece8c18] source sha:b1aba2721848c2d384bb33627568cdff96f30bac
git bisect bad e4f566bbb8d7c24ad1d081feaae773cd4ece8c18
# good: [0fba371abbeaf694963c90cab4dab8a100d18515] source sha:5f1387841bdb9290022a40f3870819d5bf853ed3
git bisect good 0fba371abbeaf694963c90cab4dab8a100d18515
# good: [c446b0ede2961231a78f386189df2f9cb908c4e4] source sha:b3ee043d469cd1b67fd66e929df58a42a8f12015
git bisect good c446b0ede2961231a78f386189df2f9cb908c4e4
# good: [98050c1da85c728727051ca56895467bc3b4cbc1] source sha:2162acb490c7e5a03ec2c3d4a71e6125f64cba14
git bisect good 98050c1da85c728727051ca56895467bc3b4cbc1
# good: [9c6a30c79e3a9070d5ab1df50310fe1ede6ea021] source sha:1e8a9c19a6f7b82c9e0c481aee0c04c0780f4433
git bisect good 9c6a30c79e3a9070d5ab1df50310fe1ede6ea021
# bad: [66e9c7678828615dd00d5bbd987f9fc7805fcb8d] source sha:d51cabce47914a44a5145f2ebf89f920a4c38cb2
git bisect bad 66e9c7678828615dd00d5bbd987f9fc7805fcb8d
# bad: [998e100d322541e7d24455605cd28b2fb6aa19fc] source sha:76b5dca9dc0ff60f8f62cbecdee68f8f3b287ceb
git bisect bad 998e100d322541e7d24455605cd28b2fb6aa19fc
# first bad commit: [998e100d322541e7d24455605cd28b2fb6aa19fc] source sha:76b5dca9dc0ff60f8f62cbecdee68f8f3b287ceb