Date: Mon, 30 Nov 2020 23:38:07 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: current@freebsd.org Subject: Re: Laptop exhibits erratic responsiveness Message-ID: <X8VmP6iX7fBxfU85@kib.kiev.ua> In-Reply-To: <X8VipWX48JiWz0o1@albert.catwhisker.org> References: <X8JVn/PIPuLzsWuQ@albert.catwhisker.org> <CADrOrms8fmf9asttPw%2B4B%2BKL7A4svAKx0dDHSuDnEVvxGWiX0Q@mail.gmail.com> <X8OsLaVToS1V1zoX@albert.catwhisker.org> <CAGudoHHevDxuvwLO2QMrMNfvG0vWSU=v9gHLbH0eMFDt8p0FWg@mail.gmail.com> <X8Tpg1P%2BXQc7iTNJ@albert.catwhisker.org> <CAGudoHEZvoj5s2bOz_atg9oPQM=24i5ydGZVebuLQAu0nbS0TA@mail.gmail.com> <X8Tx2LBXpRihqqfh@albert.catwhisker.org> <X8Var0P/N8TDLOMA@albert.catwhisker.org> <X8VeIXLiDR4q1mKl@kib.kiev.ua> <X8VipWX48JiWz0o1@albert.catwhisker.org>
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On Mon, Nov 30, 2020 at 01:22:45PM -0800, David Wolfskill wrote: > On Mon, Nov 30, 2020 at 11:03:29PM +0200, Konstantin Belousov wrote: > > ... > > > I suppose I will be commenting out that DIAGNOSTIC option now.... :-} > > > > Try to just set debug.vmem_check to 0 and see if it helps. > > ... > > OK; I rebooted the new(er) laptop with the previous kernel (that was > built with "option DIAGNOSTIC") and reproduced the issue: > > --- albert.catwhisker.org ping statistics --- > 37 packets transmitted, 37 packets received, 0.0% packet loss > round-trip min/avg/max/stddev = 0.451/13.832/178.867/41.904 ms > > Then: > > g1-216(13.0-C)[2] sudo sysctl debug.vmem_check > Password: > debug.vmem_check: 1 > g1-216(13.0-C)[3] sudo sysctl debug.vmem_check=0 > debug.vmem_check: 1 -> 0 > > On recheck: > > --- albert.catwhisker.org ping statistics --- > 60 packets transmitted, 60 packets received, 0.0% packet loss > round-trip min/avg/max/stddev = 0.411/0.551/1.051/0.084 ms > > which looks pretty good to me. I wanted to change the default some time ago. Do not remember why it did not happen.
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