Le 6 mai 10 à 23:49, Thibaut VARÈNE a écrit :
Hi pa-ckers
Sometimes a few graphs tell a lot more than words, here's what has
been recently observed on lafayette.d.o, one of the hppa Debian
autobuilders.
http://imagebin.ca/view/uhqcMQ.html
http://imagebin.ca/view/kGT08zc.html
http://imagebin.ca/view/r61bGE0X.html
The beginning of the (seemingly) abnormal sys usage, and very high IPI
rate coincides with:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
14042 buildd 20 0 337m 311m 20m R 99 7.7 138:46.37 ghc
It looks like (but maybe I'm just paranoid) ghc is doing some nasty
things...
Lafayette is running 2.6.32-3-parisc64-smp, and this apparently
happened during the build of haskell-src-exts_1.8.2-3
The build got eventually killed with ghc still running, see:
https://buildd.debian.org/fetch.cgi?&pkg=haskell-src-exts&ver=1.8.2-3&arch=hppa&stamp=1273149256&file=log
For the records, exactly the same symptoms (100% sys usage, IPI going
crazy, build timeout) happened during the build of missingh.
Log is here:
https://buildd.debian.org/fetch.cgi?pkg=missingh&arch=hppa&ver=1.1.0.3-2&stamp=1273363098&file=log&as=raw
HTH--
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