[cfe-dev] [Release-testers] [3.8 Release] RC3 has been tagged

[Daniel Sanders via cfe-dev]

> -----Original Message-----
> From: Daniel Sanders
> Sent: 02 March 2016 21:01
> To: Hans Wennborg
> Cc: release-testers at lists.llvm.org; llvm-dev; cfe-dev; openmp-dev (openmp-
> dev at lists.llvm.org); LLDB Dev
> Subject: RE: [Release-testers] [3.8 Release] RC3 has been tagged
> 
> > > > clang+llvm-3.8.0-rc3-mipsel-linux-gnu.tar.xz
> > > >         My machine died during the check-all stage and disappeared from
> the
> > > network. I've fixed it and am currently running the last few bits of test-
> > > release.sh manually.
> > >
> > > Thanks, let me know how this turns out.
> > >
> > > So far, it sounds like there are no new issues in rc3, so I'm hoping
> > > we can make that the final version for 3.8.0 real soon.
> > >
> > > Cheers,
> > > Hans
> > >
> >
> > 'check-all' is still killing the machine but I think I know what the problem is.
> While investigating some of the rc2
> > problems I noticed that g++-multilib wasn't installed and this was disabling
> the mips64el sanitizers. Installing this
> > didn't cause problems at the time but I've noticed that some of the
> mips64el sanitizer tests are very memory hungry.
> > I noticed several occasions where parallel asan tests were consuming
> ~200% of RAM and it would have been
> > swapping heavily (on a USB2 disk) to cope. If later tests require even more
> RAM then it would explain why the
> > system stops responding. I'm going to uninstall g++-multilib and rebuild rc3.
> Hopefully that will make check-all work
> > again.
> 
> It seems there's was still just enough multilib support on the machine to
> trigger mips64el sanitizers again but having worked around that the parts of
> lit that aren't mips64el sanitizers are working so far. llvm-lit is still going but
> big-endian mips and cross compilation was fine so I'm expecting little endian
> to be ok too. It's showing an ETA of about 90 mins for the remaining tests
> from clang and llvm at the moment. I'm going to run the MIPS32 sanitizer lit
> tests after that.
> 
> Overall, I think we're probably ready for final. I just can't confirm that rc3 was
> definitely ok for little endian mips yet.

This has all finished now. All ok. There was one failure in rc3 that wasn't in rc2 (libc++ :: std/thread/thread.mutex/thread.lock/thread.lock.shared/thread.lock.shared.locking/lock.pass.cpp) but it's not a regression compared to 3.7.0 and a small increase in the time limit makes it pass.