Harden_all_packages_with_position-independent_code + guile modules

[Kevin Fenzi]

On Fri, 13 Mar 2015 07:46:04 +0100
Ralf Corsepius <rc040203 at freenet.de> wrote:

> On 03/12/2015 05:06 PM, Ralf Corsepius wrote:
> 
> > Well, all I can say, building rawhide packages (esp. C++) seems to
> > have evolved into a lottery and rendered working one Fedora
> > packages into an adventure.
> >
> > E.g. I am facing packages which one day build, but fail to build the
> > other day. Today, I have been facing a package which builds in local
> > rawhide mocks, but fails in official koji.
> 
> Let me provide some facts, as they happened to me, yesterday 
> (2015-03-12): Trying to build k3d[1] for rawhide
> 
> 
> - ca. 10:00 UTC: local x86_64-mockbuild succeeds
> 
> - 10:15 UTC: Building in koji
>    koji fails on x86_64: c++: internal compiler error: Killed
> (program cc1plus)
>    https://koji.fedoraproject.org/koji/taskinfo?taskID=9208659

builder: buildhw-06

Mar 12 10:22:17 buildhw-06.phx2.fedoraproject.org kernel: Out of memory: Kill process 10227 (cc1plus) score 29 or sacrifice child
Mar 12 10:22:17 buildhw-06.phx2.fedoraproject.org kernel: Killed process 10227 (cc1plus) total-vm:635536kB, anon-rss:578384kB, file-rss:17300kB
Mar 12 10:22:17 buildhw-06.phx2.fedoraproject.org kernel: cc1plus: page
allocation failure: order:0, mode:0x280da

> - 10:36 UTC: Presuming a temporary hickup, retrying koji
>    koji fails on x86_64: c++: internal compiler error: Killed
> (program cc1plus)
>    https://koji.fedoraproject.org/koji/taskinfo?taskID=9208790

builder: buildhw-06 again

Mar 12 10:43:46 buildhw-06.phx2.fedoraproject.org kernel: Out of memory: Kill process 13650 (cc1plus) score 29 or sacrifice child
Mar 12 10:43:46 buildhw-06.phx2.fedoraproject.org kernel: Killed process 13650 (cc1plus) total-vm:647752kB, anon-rss:594536kB, file-rss:12628kB
Mar 12 10:43:57 buildhw-06.phx2.fedoraproject.org kernel: as invoked
oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0

...snip...

> ?!?

My conclusion is that gcc5 is at least sometimes using a lot more
memory than older versions. Perhaps reducing smp_mflags could help? 

buildhw boxes have 20GB of memory and 16CPUs... so perhaps 16 threads
is causing it to hit OOM much more often than in the past?

buildvm boxes have 10GB of memory, but only 4 (faster) cpus. 
arm boxes have 4GB of memory and 4 cpus. 

kevin
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