terry@buster:~/lo_hacking/bibisect/lo-linux-dbgutil-daily-till52$ git bisect good
6f9d5d29f552dc856083e0c7770e95c08ae8f167 is the first bad commit
commit 6f9d5d29f552dc856083e0c7770e95c08ae8f167
Author: Miklos Vajna <vmiklos@collabora.co.uk>
Date:   Wed May 25 05:39:46 2016 +0200

    2016-05-25: source-hash-44326f8dfabd81bf8b5a5c741f29ae8c57b4a88e

:100644 100644 577c74f1684922fd6651621534c5b3a68df726ad f4ad80176e37e547af72ca7fbc56c9ee8b5229d2 M	build-info.txt
:040000 040000 26c1d5a9d7ad7cd4bd2335fefb8cd565e84d73cf 8404b988e7075b1177484f466cdcb1f1ce6960bc M	opt
terry@buster:~/lo_hacking/bibisect/lo-linux-dbgutil-daily-till52$ git bisect log
# bad: [d3acb9dfa21e2597d0affe3f04fe18b2022b9026] 2016-05-26: source-hash-a042951ad4db2b84021e1d43361511dec998ce82
# good: [69eedb44a433e3be69137a83238a4184785c752f] 2015-11-25: source-hash-7289a140fc68dc898ba2b2357cc960968195f236
git bisect start 'master' 'oldest'
# good: [7d1c6fda154836547542c6d741f34a158dd1102c] 2016-02-24: source-hash-f84b8c03462238b821724b7f504ad141c83fcf8f
git bisect good 7d1c6fda154836547542c6d741f34a158dd1102c
# good: [2592d68f5be89cc78dd3fc00360d4829790c2827] 2016-04-10: source-hash-7b9a5e8124328da9d81aed58cf944c91560a7c07
git bisect good 2592d68f5be89cc78dd3fc00360d4829790c2827
# good: [c8c7bdf3034dccf1b28146e88e6280e2ca7c814c] 2016-05-03: source-hash-fa6efd4511a999618fd3958c1c72811dc0ef83ee
git bisect good c8c7bdf3034dccf1b28146e88e6280e2ca7c814c
# good: [1ca1df88ce7585c7511390d414644c21883eee4a] 2016-05-14: source-hash-442387bdf493aa6a752fd2531507625dc9e5a4fc
git bisect good 1ca1df88ce7585c7511390d414644c21883eee4a
# good: [29a9dbd902ca880bd19bcbf5b20266883eab11aa] 2016-05-20: source-hash-6821ad076c276b997c44520fd700817566a718c5
git bisect good 29a9dbd902ca880bd19bcbf5b20266883eab11aa
# good: [cdaba29dec93aecd76a7586de180678ebfc294ad] 2016-05-23: source-hash-366de0553beb0f545b3cb0a74831ae120f01c7d6
git bisect good cdaba29dec93aecd76a7586de180678ebfc294ad
# bad: [6f9d5d29f552dc856083e0c7770e95c08ae8f167] 2016-05-25: source-hash-44326f8dfabd81bf8b5a5c741f29ae8c57b4a88e
git bisect bad 6f9d5d29f552dc856083e0c7770e95c08ae8f167
# good: [09325a16ed963cd9cd9c79f4f214279c2b0b5466] 2016-05-24: source-hash-4ab3149381352c86cb84fc01fe69b2c7929c98fb
git bisect good 09325a16ed963cd9cd9c79f4f214279c2b0b5466
# first bad commit: [6f9d5d29f552dc856083e0c7770e95c08ae8f167] 2016-05-25: source-hash-44326f8dfabd81bf8b5a5c741f29ae8c57b4a88e