From owner-freebsd-current@freebsd.org Fri Jan 15 16:18:58 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 6AEA84EAD88 for ; Fri, 15 Jan 2021 16:18:58 +0000 (UTC) (envelope-from mikael@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DHRFZ2hnTz3CbR; Fri, 15 Jan 2021 16:18:58 +0000 (UTC) (envelope-from mikael@FreeBSD.org) Received: from [192.168.1.2] (112.56.88.79.rev.sfr.net [79.88.56.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: mikael) by smtp.freebsd.org (Postfix) with ESMTPSA id 06F6FFC61; Fri, 15 Jan 2021 16:18:57 +0000 (UTC) (envelope-from mikael@FreeBSD.org) Subject: Re: Waiting for bufdaemon To: Konstantin Belousov Cc: freebsd-current References: <7c4da243-52ff-c5ee-3d56-1ae651286e0e@alvermark.net> <369b3d82-98c5-b31e-6168-4003a042f174@FreeBSD.org> <556d40b8-92d7-303e-7d87-ea496d0ca733@FreeBSD.org> From: =?UTF-8?Q?Mika=c3=abl_Urankar?= Message-ID: <51df64cc-f01c-0030-a708-f4002be6411e@FreeBSD.org> Date: Fri, 15 Jan 2021 17:18:56 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Jan 2021 16:18:58 -0000 On 15/01/2021 16:45, Konstantin Belousov wrote: > On Fri, Jan 15, 2021 at 04:30:19PM +0100, Mikaël Urankar wrote: >> On 15/01/2021 16:02, Konstantin Belousov wrote: >>> On Fri, Jan 15, 2021 at 03:56:01PM +0100, Mikaël Urankar wrote: >>>> On 15/01/2021 11:26, Jakob Alvermark wrote: >>>>> Hi, >>>>> >>>>> >>>>> When rebooting my thinkpad the 'bufdaemon' times out: >>>>> >>>>> Waiting (max 60 seconds) for system thread 'bufdaemon' to stop ... timed >>>>> out >>>>> >>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-0' to stop >>>>> ... timed out >>>>> >>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-1' to stop >>>>> ... timed out >>>>> >>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-2' to stop >>>>> ... timed out >>>>> >>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-3' to stop >>>>> ... timed out >>>>> >>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-4' to stop >>>>> ... timed out >>>>> >>>>> Waiting (max 60 seconds) for system thread 'bufspacedaemon-5' to stop >>>>> ... timed out >>>>> >>>>> >>>>> This started happening recently (within the last week I think). >>>> >>>> Hi, >>>> >>>> I'm also affected. I have an AMD Ryzen 9 3900X cpu, running bare metal. >>>> >>>> 5844bd058aed6f3d0c8cbbddd6aa95993ece0189 (jobc: rework detection of orphaned >>>> groups) "seems" ok >>>> >>>> cd240c9cf100bec3def38ceb4a320611b1d02693 (x86 vdso gettc: Add RDTSCP >>>> support), affected by the timeout. >>>> >>>> I haven't tried the intermediate commit yet. >>>> >>>> My intel machine doesn't seem to be affected >>> >>> If you revert only 9e680e4005b7, is it fixed ? >>> >> Yes it seems to be fixed with 9e680e4005b7 reverted (I've only done 2 tests, >> I can do more if you want) > Please show me the output from sysctl > kern.timecounter > kern.eventtimer > and first 100 lines of dmesg from the verbose boot (that contains the CPU > ident lines). > I put the /var/run/dmesg.boot file on freefall /home/mikael/dmesg.boot (it seems to be truncated though, I don't know how to retrieve the full log) sysctl kern.timecounter kern.timecounter.tsc_shift: 1 kern.timecounter.smp_tsc_adjust: 0 kern.timecounter.smp_tsc: 1 kern.timecounter.invariant_tsc: 1 kern.timecounter.fast_gettime: 1 kern.timecounter.tick: 1 kern.timecounter.choice: ACPI-fast(900) HPET(950) i8254(0) TSC-low(1000) dummy(-1000000) kern.timecounter.hardware: TSC-low kern.timecounter.alloweddeviation: 5 kern.timecounter.timehands_count: 2 kern.timecounter.stepwarnings: 0 kern.timecounter.tc.ACPI-fast.quality: 900 kern.timecounter.tc.ACPI-fast.frequency: 3579545 kern.timecounter.tc.ACPI-fast.counter: 1470549582 kern.timecounter.tc.ACPI-fast.mask: 4294967295 kern.timecounter.tc.HPET.quality: 950 kern.timecounter.tc.HPET.frequency: 14318180 kern.timecounter.tc.HPET.counter: 378058131 kern.timecounter.tc.HPET.mask: 4294967295 kern.timecounter.tc.i8254.quality: 0 kern.timecounter.tc.i8254.frequency: 1193182 kern.timecounter.tc.i8254.counter: 20425 kern.timecounter.tc.i8254.mask: 65535 kern.timecounter.tc.TSC-low.quality: 1000 kern.timecounter.tc.TSC-low.frequency: 1900039387 kern.timecounter.tc.TSC-low.counter: 2386729797 kern.timecounter.tc.TSC-low.mask: 4294967295 sysctl kern.eventtimer kern.eventtimer.choice: LAPIC(600) HPET(350) HPET1(350) HPET2(350) i8254(100) RTC(0) kern.eventtimer.et.HPET2.quality: 350 kern.eventtimer.et.HPET2.frequency: 14318180 kern.eventtimer.et.HPET2.flags: 3 kern.eventtimer.et.HPET1.quality: 350 kern.eventtimer.et.HPET1.frequency: 14318180 kern.eventtimer.et.HPET1.flags: 3 kern.eventtimer.et.HPET.quality: 350 kern.eventtimer.et.HPET.frequency: 14318180 kern.eventtimer.et.HPET.flags: 3 kern.eventtimer.et.RTC.quality: 0 kern.eventtimer.et.RTC.frequency: 32768 kern.eventtimer.et.RTC.flags: 17 kern.eventtimer.et.i8254.quality: 100 kern.eventtimer.et.i8254.frequency: 1193182 kern.eventtimer.et.i8254.flags: 1 kern.eventtimer.et.LAPIC.quality: 600 kern.eventtimer.et.LAPIC.frequency: 50001034 kern.eventtimer.et.LAPIC.flags: 7 kern.eventtimer.periodic: 0 kern.eventtimer.timer: LAPIC kern.eventtimer.idletick: 0 kern.eventtimer.singlemul: 2