On 2020-Jun-28 12:33:21 -0700, Donald Wilde <dwil...@gmail.com> wrote: >On 6/28/20, Donald Wilde <dwil...@gmail.com> wrote: >> On 6/27/20, Donald Wilde <dwil...@gmail.com> wrote: >>> 'spinning rust' <haha> for a disk. My loader.conf has >>> kern.maxswzone=4200000 and ccache is fully active and working for both >>> root on tcsh and users on sh.
Based on my calculations, that maxswzone is good for just under 1GB swap. What do you see have for vm.swap_maxpages and vm.swzone? >> Synth is still crashing hard, same issue. >An update. Synth still crashed with one swap zone of 16GB. What do you mean by "swap zone"? Do you mean you have one 16GB swap device? >stack overflow. As I say, there was no warning. Everything was fine, >then memory usage went through the roof! I've just tried building llvm80 via ports[1] on my laptop, using the same options as you. I have 4GB RAM and 4GB swap with system defaults and had no problems with an 8-way build. The highest swap usage I noticed was <500MB. I suspect your problems are related to either ccache or synth. >The second one, hopefully, contains every log up to the one that >crashed and hopefully also the beginning of that task. As I say, ONE >builder and ONE task, after a reboot. LLVM80 was the only builder >input. "one builder and one task" - these are presumably synth terms since they aren't standard ports building terms. You should be able to do a single-theaded build of llvm80 in 4GB RAM without problems. That said, I notice that the first log file suggests you were building 3 ports in parallel, and each port build was running 3 jobs - that's 9 jobs in parallel on a low-spec CPU with 4 threads. You should limit the number of CPU-bound processes to the number of CPU threads you have. [1] cd /usr/ports/devel/llvm80 && make -- Peter Jeremy
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