Date: Thu, 29 Nov 2018 07:48:23 +0100 From: Gerrit =?ISO-8859-1?Q?K=FChn?= <gerrit.kuehn@aei.mpg.de> To: Eugene Grosbein <eugen@grosbein.net> Cc: freebsd-stable@freebsd.org Subject: Re: high cpu irq load and slow boot after update from 10.4 to 11.2 Message-ID: <20181129074823.ec70b9a8e039e0cfa378f7ec@aei.mpg.de> In-Reply-To: <13788_1543243316_5BFC0631_13788_6112_1_20181126153702.478174d84d093394d735b171@aei.mpg.de> References: <20181126094648.510fc7f7b773bfdac546d037@aei.mpg.de> <007b9007-6abb-15cf-45df-45b3da814e5d@grosbein.net> <20181126141403.71ff15eb77e55b5e9ce4f79b@aei.mpg.de> <f85f3556-3b73-df7c-2f3e-1a9bbef47777@grosbein.net> <13788_1543243316_5BFC0631_13788_6112_1_20181126153702.478174d84d093394d735b171@aei.mpg.de>
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On Mon, 26 Nov 2018 15:37:02 +0100 Gerrit K=FChn <gerrit.kuehn@aei.mpg.de> wrote about Re: high cpu irq load and slow boot after update from 10.4 to 11.2: > > Try switching to "HPET" in both cases and do not wait for next disaster > > but do it right now with sysctl command, reboot is not needed. > > You can restore default settings any moment same way. > >=20 > > And see if the problem goes away. > Ok, I did that, let's see what happens next (I guess I cannot declare > victory until it's running stable for more than 4 weeks from now on). > Thanks again! The issue is back this morning: sys and irq load incredibly high, system hardly usable anymore. I guess it's time to try kern.eventtimer.periodic=3D1 now... should I do that in addition to the timecounter setting to hpet, or revert that one first? cu Gerrit
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