Date: Sun, 12 Aug 2018 09:23:05 +1000 From: Trev <freebsd-arm@sentry.org> To: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: RPI3 swap experiments ["was killed: out of swap space" with: "v_free_count: 5439, v_inactive_count: 1"] Message-ID: <64798536-4ba5-24e9-304b-30cfb5b702d0@sentry.org> In-Reply-To: <20180811163209.GA38922@www.zefox.net> References: <EC74A5A6-0DF4-48EB-88DA-543FD70FEA07@yahoo.com> <20180806155837.GA6277@raichu> <20180808153800.GF26133@www.zefox.net> <20180808204841.GA19379@raichu> <20180809065648.GB30347@www.zefox.net> <20180809152152.GC68459@raichu> <CANCZdfpKOTBrxiNhaeHHRp-2iw5a4eXt%2Bmd_1LTD-c0%2BAE6qxg@mail.gmail.com> <20180809153710.GC30347@www.zefox.net> <CANCZdfrC0s8X-LxJmrDmkxmz%2BGUMNsHSMpBEQmp1S5ahcvptpg@mail.gmail.com> <20180810044426.GB32974@www.zefox.net> <20180811163209.GA38922@www.zefox.net>
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bob prohaska wrote on 12/08/2018 02:32: > Simply moving all swap to microSD (and leaving vm.pageout_oom_seq at the > default value of 12) allowed an uneventul -j4 buildworld on r337226M, > upgrading to r337564M with the patches suggested to date still in place. > There were no warnings or errors on the console or controlling terminal. > > The microSD card used for /root, /tmp and swap is a Sandisk Ultra, supposedly > a notch or two slower than the Sandisk Extreme USB flash drive that caused > all the trouble. Curious, my experience was the opposite - the 16G SanDisk Ultra had OOM swap issues with -j4 buildworld, whereas the 32G SanDisk Extreme doesn't. Both cards were new at the time. Note: in my case all file systems were on the micro-SD card except for /tmp/ (100M), /var/tmp (15M) and /var/log (15M) which were memory disks. I'd retest with the sysctl and patches but I have to be interstate again for a few days :(
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