On Fri, 13 Mar 2015 19:24:58 +0100 Ralf Corsepius <rc040203@xxxxxxxxxx> wrote: > > My conclusion is that gcc5 is at least sometimes using a lot more > > memory than older versions. > I haven't noticed a significant increase in memory usage in my local > mock builds, but I haven't tried to investigate. Yeah, me either, was just a conclusion based on the OOM. > > Perhaps reducing smp_mflags could help? > Dunno ;) If you set it always to 4 do a number of scratch builds in a row work? > > 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. > Does this explain why my yesterday's scratch-builds didn't fail but > "real" builds failed? If it's memory related and the builders with 4 cpus always work, but the ones on the builders with 16 cpus always fail it would. > Does this explain why "real" builds failed yesterday but succeed > today? Did you change something about this configuration or has > something related to g++ changed within the last 24hrs? > > ... too many unknowns for my taste. Such is life. ;) kevin
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