Date: Sat, 20 Mar 2021 09:25:57 -0600 From: Fred <fred.ha11@yahoo.com> To: freebsd-stable@freebsd.org Subject: Re: ThinkPad X1 Carbon Gen 4 unable to boot 13.0-RC1 Message-ID: <s35466$10jj$1@ciao.gmane.io> In-Reply-To: <86czvud1qf.fsf@virtual-earth.de> References: <1867238560.3032633.1616178410076.ref@mail.yahoo.com> <1867238560.3032633.1616178410076@mail.yahoo.com> <86czvud1qf.fsf@virtual-earth.de>
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On 3/19/21 7:59 PM, Mathias Picker wrote: > > Fred Hall via freebsd-stable <freebsd-stable@freebsd.org> writes: > >> I have a ThinkPad X1 Carbon Gen 4 (20FCS0NB00) which has happily run >> FreeBSD 11 and 12, but which can't boot 13.0-RC1 from memstick or via >> freebsd-update. In both cases the boot process locks up on the line >> "hwpstate_intel0: <Intel Speed Shift> on cpu0" >> If running freebsd-update, a work around is to add >> hint.hwpstate_intel.0.disabled="1" in loader.conf. See the note under >> the Eighth Generation (2020) in >> https://wiki.freebsd.org/Laptops/Thinkpad_X1_Carbon >> I was quite surprised to find the lack of support for hwpstate_intel >> in 13 when it apparently worked under 11 and 12. Does anyone know the >> status of hwpstate_intel on ThinkPads? > > I’m running 13 -STABLE from 10 days ago on a Thinkpad Yoga 3rd gen, and > hwpstate_intel works fine, never had a problem. > > mathiasp:~% sysctl dev.hwpstate_intel dev.hwpstate_intel.7.epp: 15 > dev.hwpstate_intel.7.%parent: cpu7 > dev.hwpstate_intel.7.%pnpinfo: dev.hwpstate_intel.7.%location: > dev.hwpstate_intel.7.%driver: hwpstate_intel > dev.hwpstate_intel.7.%desc: Intel Speed Shift > dev.hwpstate_intel.6.epp: 15 > dev.hwpstate_intel.6.%parent: cpu6 > dev.hwpstate_intel.6.%pnpinfo: dev.hwpstate_intel.6.%location: > dev.hwpstate_intel.6.%driver: hwpstate_intel > dev.hwpstate_intel.6.%desc: Intel Speed Shift > [snip] > > The gen3 is using > sudo dmesg|grep -i cpu > CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (1992.08-MHz K8-class CPU) > [snip, snip] > > mathiasp:~% uname -a > FreeBSD Danton 13.0-STABLE FreeBSD 13.0-STABLE #2 > stable/13-n244845-f21c0366f53: Wed Mar 10 20:53:26 CET 2021 > root@Danton:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 > > > Cheers, > > Mathias Thanks for the feed back. Good to know most people won't encounter the problem. Perhaps it is a bios issue specific to the model. I did update to the latest bios version but that made no difference. I have chosen to rollback to 12.2 as it works perfectly for me. > >> Cheers, Fred >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > >
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