Date: Sat, 20 Mar 2021 16:37:55 -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: <s35tg4$tr2$1@ciao.gmane.io> In-Reply-To: <CAN6yY1vPy%2B2GqhtJxSjx=rsh_7GKOKJB03zbrOY8%2BDBKbwY9qA@mail.gmail.com> References: <1867238560.3032633.1616178410076.ref@mail.yahoo.com> <1867238560.3032633.1616178410076@mail.yahoo.com> <86czvud1qf.fsf@virtual-earth.de> <s35466$10jj$1@ciao.gmane.io> <CAN6yY1vPy%2B2GqhtJxSjx=rsh_7GKOKJB03zbrOY8%2BDBKbwY9qA@mail.gmail.com>
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On 3/20/21 10:26 AM, Kevin Oberman wrote: > On Sat, Mar 20, 2021 at 8:35 AM Fred via freebsd-stable < > freebsd-stable@freebsd.org> wrote: > >> 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 c >>> 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 >> > There are two long tickets about this. Take a look at tickets 248659 > <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248659>; and 253288 > <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253288>. This problem > appeared in 13-current in Jan 2020 and I first saw it on my new Lenovo L15 > that summer. It appears specific to Lenovo laptops. It appears that similar > issues have been seen with Linux. Thank for the links to the bug reports, it would appear to be the same issue. I tested my wife's X1 Carbon Gen 3 and it worked fine. Perhaps a bios bug with the processor in my 4th gen. CPU: Intel(R) Core(TM) i7-6600U CPU @ 2.60GHz (2808.11-MHz K8-class CPU) In the 24 hours I tested 13.0, I also had some X windows failures while waking up from suspend which never happens with 12.2. Oh well, no worries. > -- > Kevin Oberman, Part time kid herder and retired Network Engineer > E-mail: rkoberman@gmail.com > PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683 > _______________________________________________ > 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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