Date: Mon, 4 Jun 2018 00:54:09 -0700 From: bob prohaska <fbsd@www.zefox.net> To: Warner Losh <imp@bsdimp.com> Cc: Erich Dollansky <freebsd.ed.lists@sumeritec.com>, freebsd-arm@freebsd.org, bob prohaska <fbsd@www.zefox.net> Subject: OOM errors, was Re: panic: Assertion td->td_lock == TDQ_LOCKPTR(tdq) failed at /usr/src/sys/kern/sched_ule.c:2137 Message-ID: <20180604075409.GA76017@www.zefox.net> In-Reply-To: <CANCZdfpJ7hL_dnJd5kyMkhdT21LnXWxch7ztmN%2BrTk90F53WjQ@mail.gmail.com> References: <op.zjvyeypwkndu52@klop.ws> <20180601154153.GA62632@www.zefox.net> <20180602091606.63a1ab37.freebsd.ed.lists@sumeritec.com> <20180602150549.GA68197@www.zefox.net> <CANCZdfq%2BFp6=NDSQB0G9z1L7StcueupzvUiuNs9L-TgTQL=wzA@mail.gmail.com> <20180602193255.GA68908@www.zefox.net> <CANCZdfpJ7hL_dnJd5kyMkhdT21LnXWxch7ztmN%2BrTk90F53WjQ@mail.gmail.com>
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> > > On Sat, Jun 02, 2018 at 09:14:18AM -0600, Warner Losh wrote: > > > > > > Do you have r334508? It fixes the OOM falsely triggering. > > > > The kernel is now up to 334538, but I'm still seeing OOM kills, like this: Jun 4 00:01:57 www kernel: pid 27824 (llvm-tblgen), uid 0, was killed: out of swap space Jun 4 00:01:57 www kernel: pid 27828 (llvm-tblgen), uid 0, was killed: out of swap space Jun 4 00:01:57 www kernel: pid 27832 (llvm-tblgen), uid 0, was killed: out of swap space Jun 4 00:01:57 www kernel: pid 27830 (llvm-tblgen), uid 0, was killed: out of swap space Jun 4 00:01:57 www kernel: pid 27610 (make), uid 0, was killed: out of swap space After restarting the -j4 buildworld with -DNO_CLEAN it appeared that swap use peaked around 129 MB. Four instances of llvm-tblgen entered state pfault at roughly the same time swap use peaked and then two were killed. Apparently the remaining pair died in sympathy. Have you any idea what I might be doing wrong? Thanks for reading, bob prohaska `
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