[llvm-dev] Please help: SVN is broken
Friedman, Eli via llvm-dev
llvm-dev at lists.llvm.org
Tue Sep 19 19:24:23 PDT 2017
On 9/19/2017 6:33 PM, Zachary Turner via llvm-dev wrote:
> Hi all, for the past several days I've been dealing with intermittent
> bot failures due to a recent series of patches which changes some
> things about lit.
> Most of the dust has settled, but there's several bots that just won't
> stay green.
> An example is this one:
> What happens in all of these cases is that SVN encounters a tree
> conflict when updating, and then it gets stuck on some messed up of
> the code where the test suite doesn't match up with the code being tested.
> But at this point I honestly think this is some kind of bug in SVN or
> buildbot and I'm not entirely sure what to do about it. For these
> affected bots, I can force a clobber by setting build revision to 0
> and forcing a build. This will rm -rf the source tree and check out a
> new one. Surely this should resolve any conflicts right? But it
> doesn't. For example:
> In this build I clobber the source tree. You can see by clicking the
> svn-llvm step. You can see that all tests pass.
> The next build, 9747 also passes and if you click the svn-llvm step
> you'll see that it just updates some files.
> But all of a sudden, 9749 fails. If you look at the svn-llvm step
> again, you see this:
There are two buildslaves hooked up to that builder, and those two
builds did not run on the same slave.
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