I made a clean checkout of the same branch onto my Linux machine, to make sure the workspace doesn't contain any odd leftover data. The workspace is sparse, it excludes a few folders at the root level contain only data that is irrelevant for code work. It's the same checkout as on my Windows machine, though.
svn --version svn, version 1.9.5 (r1770682) compiled Dec 1 2016, 14:48:33 on x86_64-unknown-linux-gnu (This is the Wandisco build. I installed the sourcecode and the dependencies as well in case extra logging or breakpoints are required.) svn merge ^/trunk --dry-run This completes with a few conflicts but without errors. svn merge ^/trunk This fails with: --- Recording mergeinfo for merge of r15014 through r20508 into '.': Summary of conflicts: Text conflicts: 1 Tree conflicts: 2 Skipped paths: 1 svn: E200020: Unable to parse reversed revision range '19634-19631' I looked on trunk, and the highest mergeinfo I can find is for 19432: /branches/xxxxxxx:19329,19406,19431-19432 The majority are ancient merges with mergeinfo <10000 I can add some diagnostics to the mergeinfo parser, though I've got some work to finish first.
