AArch64 Buildbot moved to new hardware

[Simon Marchi]

On 2019-02-11 10:36, Alan Hayward wrote:
> Sergio,
> 
> The AArch64 Buildbot has been switched to new hardware.
> We’re now running on a Huawei 1616 AArch64 with Ubuntu 18.04.
> 
> That should get rid of the random build failures (which were due to
> RAM errors).
> 
> 
> Couple of things to note:
> 
> 
> 1) This is Ubuntu 18.04, not Ubuntu 16.04, which means the slave
> name "ubuntu16-aarch64” should probably be updated at some point.
> 
> 2) There are a bunch of new failures, jumping from 111 to 197.
> This is due to moving to Ubuntu18. For example, dump.exp is broken
> due to executables being mapped at a much higher address range
> (Because GCC is now using --enable-default-pie). I’ll look into
> fixing them.
> 
> 3) The Ubuntu-Aarch64-native-gdbserver-m64 queue is probably still a
> little racy. I think I’ve got a fix for this - will post later this
> week.
> 
> 4) The Ubuntu-Aarch64-native-extended-gdbserver-m64 continues
> to timeout after 90minutes due to hanging tests. However, looking at
> Fedora-x86_64-native-extended-gdbserver-m64, that is sometimes
> taking 4 hours to pass!  On my local machine, it looks like it is
> hanging.  I’ll try and look into this soon.
> 
> 5) The -j16 should probably be increased. It’s a 64 core box, so
> If we double to -j32 that should keep half the machine free for
> glibc buildbot the machine is shared with.  Increasing it might
> make point 3 a little worse - but might stop the timeouts on 4.
> 
> 6) There might be a little bit of downtime later this week as
> DNS stuff gets switched.
> 
> 
> Alan.

Awesome, thanks!

Simon