On Mon, Dec 4, 2017 at 1:56 PM, Florian Weimer
> On 12/04/2017 02:54 PM, Peter Robinson wrote:
>> On Mon, Dec 4, 2017 at 1:36 PM, Florian Weimer <fweimer(a)redhat.com> wrote:
>>> Builds on POWER now fail fairly consistently due to this kernel bug:
>>> I'll keep trying, but the failure rate has gone up considerably in
>>> weeks (perhaps additional builders were updated to broken kernels?).
>>> not even sure if it is below 100%.
>>> The Fedora kernels have been fixed and are in testing now, so I think we
>>> just have to wait. 8-(
>> Do they need to be installed on the builders, or just in the buildroot
>> for glibc to consume during build? If those kernels fix the problem
>> please file a rel-eng bug  asking if the builders could be updated
>> with the appropriate NVR kernel, otherwise it'll be in the buildroot
>> as soon as it's stable, or you can add it as an build override.
> It's the host kernel that matters because the brk system call is effectively
> broken. It shows only up with an explicit loader invocations, which is why
> very few patches run into it.
> Do you recommend to file an issue now, or only after the packages become
> available in Fedora stable?
I'd do it sooner rather than later so rel-eng are aware of the
problem, I'm not sure of the current patch cycle, but the sooner
they're aware they can pull in the testing kernel if they're aware so
they don't need to do it twice.
Thanks for your guidance. I filed: