Date: Wed, 9 Sep 2020 07:46:38 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Livelock on recent current Message-ID: <CAN6yY1t4qZgme7oG3_PcWvQYZq-rxP3WxX9mRd5UpwJ496DFkQ@mail.gmail.com> In-Reply-To: <5f58a7e7.1c69fb81.8666b.c9d6SMTPIN_ADDED_MISSING@mx.google.com> References: <CAN6yY1vsLjZ7aEqrbmxKCpxTOZF8a33ZkWayH00y4enx%2BiR00g@mail.gmail.com> <5f58a7e7.1c69fb81.8666b.c9d6SMTPIN_ADDED_MISSING@mx.google.com>
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On Wed, Sep 9, 2020 at 3:01 AM Thomas Mueller <mueller6722@twc.com> wrote: > > I am seeing a problem since I moved to current on my laptop this week. > It's > > odd as it is linked to the keyboard. As long as the keyboard is active, > > everything is fine, but if the keyboard is not used, after a few minutes, > > it locks up and gets very hot. The system may be busy or idle. The system > > seems completely locked. It does not respond in the network and the > > display, X or just vt is frozen. The only factor is use of the keyboard. > > > I'm not sure what information I might collect. > > > The system is a ThinkPad L15 with 4GN of DRAMM (more on order) . > > FreeBSD 13.0-CURRENT #2 r365481M: Tue Sep 8 20:16:02 PDT 2020 > > root@ptavv:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG amd64 > > FreeBSD ptavv 13.0-CURRENT FreeBSD 13.0-CURRENT #2 r365481M: Tue Sep 8 > 20:16:02 PDT 2020 > > root@ptavv:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG > amd64 > > Intel(R) Core(TM) i5-10210U CPU (Crystal Lake) > > > Kevin Oberman, Part time kid herder and retired Network Engineer > > Overheating, maybe? > > I can see CPU temperature with "envstat" (NetBSD) or > sysctl -a | grep "temperature" (FreeBSD) : > don't know how Linux does it. > > Is there any way you could run > sysctl -a | grep "temperature" > at one- or two-minute intervals, perhaps on a different virtual terminal? > > I've heard of laptops getting hot, but that was not specifically connected > to keyboard inactivity. > > Tom > On FreeBSD on Intel, just load coretemp.ko and it's in dev.cpu.?.temperature, where ? is the CPU. When running my desktop, I have it continuously displayed with the gkrellm2 system display. Since it will fail when the system is idle, I don't think it gets hot until after the lock-up, but I'll confirm it when I get back to that system later today. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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