Date: Sat, 1 Feb 2020 23:26:15 +0100 From: Andreas Nilsson <andrnils@gmail.com> To: cem@freebsd.org Cc: "Andrey V. Elsukov" <bu7cher@yandex.ru>, Current FreeBSD <freebsd-current@freebsd.org> Subject: Re: hwpstate_intel hangs kernel Message-ID: <CAPS9%2BSuniZZ6mvQzFmMvY=5i-G%2BOjCF5A_yMnBYmrZWo77dOug@mail.gmail.com> In-Reply-To: <CAG6CVpXq1xL=u=yYWd_srCDFb2s1asN%2Bm9%2BGA43WF3%2BQmpq5aw@mail.gmail.com> References: <CAPS9%2BSukk_MFzUFBjs2K8bjsayL%2BTedhtY9aC8VF-UCHKEpp-w@mail.gmail.com> <a2a81eb9-c7d8-869a-5024-6bf0000c22a1@yandex.ru> <ccebd015-ae44-b4b9-aca6-080528bc0d64@yandex.ru> <CAG6CVpXq1xL=u=yYWd_srCDFb2s1asN%2Bm9%2BGA43WF3%2BQmpq5aw@mail.gmail.com>
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Hello Conrad, thank you Andrey for bisecting! I'll try with that hint and see how it works for me. Best regards Andreas On Sat, Feb 1, 2020, 18:18 Conrad Meyer <cem@freebsd.org> wrote: > Hi Andrey, > > Please try 'hint.hwpstate_intel.0.disabled=3D"1"' as a workaround for now= . > > I think I have identified at least one problematic piece of code, > although I don't know if it's the root cause. I will go ahead and fix > that, which may not fix the hang, and also add some debug printfs that > can be enabled to help identify the real issue. > > Thanks for the report and bisect. > > Best, > Conrad > > On Sat, Feb 1, 2020 at 6:06 AM Andrey V. Elsukov <bu7cher@yandex.ru> > wrote: > > > > 31.01.2020 18:11, Andrey V. Elsukov =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > > > On 24.01.2020 19:52, Andreas Nilsson wrote: > > >> It hangs during kernel boot and the last message printed on console > is: > > >> hwpstate_intel0: <Intel Speed Shift> on cpu0 > > > > > > Hi, > > > > > > Did you find the cause of this hang? > > > I also tried to update today from r350816 to r357330. But my Lenovo X= 1 > > > Carbon 4th hangs on the same message. > > > > > > > Hi, > > > > I have bisected the bad commit, it is r357002. > > > > -- > > WBR, Andrey V. Elsukov > > >
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