Date: Fri, 15 Jan 2021 17:18:56 +0100 From: =?UTF-8?Q?Mika=c3=abl_Urankar?= <mikael@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Waiting for bufdaemon Message-ID: <51df64cc-f01c-0030-a708-f4002be6411e@FreeBSD.org> In-Reply-To: <YAG4g7dJbRWM7act@kib.kiev.ua> References: <7c4da243-52ff-c5ee-3d56-1ae651286e0e@alvermark.net> <369b3d82-98c5-b31e-6168-4003a042f174@FreeBSD.org> <YAGua8f8G57SbUMT@kib.kiev.ua> <556d40b8-92d7-303e-7d87-ea496d0ca733@FreeBSD.org> <YAG4g7dJbRWM7act@kib.kiev.ua>
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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
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