From nobody Sat Oct 9 18:51:12 2021 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id A5B8212D9FCC for ; Sat, 9 Oct 2021 18:51:21 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4HRZ092n95z3vQw; Sat, 9 Oct 2021 18:51:21 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.16.1/8.16.1) with ESMTPS id 199IpDal096010 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sat, 9 Oct 2021 21:51:16 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 199IpDal096010 Received: (from kostik@localhost) by tom.home (8.16.1/8.16.1/Submit) id 199IpCKS096009; Sat, 9 Oct 2021 21:51:12 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sat, 9 Oct 2021 21:51:12 +0300 From: Konstantin Belousov To: Michael Butler Cc: Mark Johnston , freebsd-current Subject: Re: intermittent bsdtar/jemalloc failures Message-ID: References: <2908d747-8606-84d6-60b5-249c0d396b6b@protected-networks.net> <31be6e3a-f303-ce78-4dab-5dcc77ed0464@protected-networks.net> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.5 X-Spam-Checker-Version: SpamAssassin 3.4.5 (2021-03-20) on tom.home X-Rspamd-Queue-Id: 4HRZ092n95z3vQw X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On Fri, Oct 08, 2021 at 03:36:18PM -0400, Michael Butler wrote: > On 10/7/21 20:19, Konstantin Belousov wrote: > > On Thu, Oct 07, 2021 at 05:43:14PM -0400, Michael Butler wrote: > > > On 10/7/21 16:52, Mark Johnston wrote: > > > > On Thu, Oct 07, 2021 at 04:18:28PM -0400, Michael Butler via freebsd-current wrote: > > > > > On 10/7/21 15:39, Konstantin Belousov wrote: > > > > > > On Thu, Oct 07, 2021 at 03:28:44PM -0400, Michael Butler via freebsd-current wrote: > > > > > > > While building a local release bundle, I sometimes get bsdtar failing (and > > > > > > > dumping core) as follows below. Worse, as can be seen below, it doesn't stop > > > > > > > the build unless I happen to notice and it yields an incomplete package. > > > > > > > > > > > > > > a usr/src/sys/netgraph/ng_checksum.h > > > > > > > a usr/src/sys/netgraph/ng_message.h > > > > > > > a usr/src/sys/netgraph/ng_echo.c > > > > > > > a usr/src/sys/netgraph/ng_gif.h > > > > > > > : jemalloc_arena.c:747: Failed assertion: > > > > > > > "nstime_compare(&decay->epoch, &time) <= 0" > > > > > > > Abort trap (core dumped) > > > > > > > sh /usr/src/release/scripts/make-manifest.sh *.txz > MANIFEST > > > > > > > > > > > > > > What causes this? Build machine is a 2x4-core Intel box with ZFS > > > > > > > file-systems all around. I tried stopping NTPD temporarily but the failures > > > > > > > persist .. sometimes :-( > > > > > > > > > > > > > > I've seen this at different points in the archiving process so it doesn't > > > > > > > seem specific to building kernel.txz. > > > > > > > > > > > > What timecounter do you use? Perhaps show the whole output from > > > > > > sysctl kern.timecounter. > > > > > > > > > > imb@vm01:/home/imb> 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: HPET > > > > > 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: 16124892 > > > > > kern.timecounter.tc.ACPI-fast.mask: 16777215 > > > > > kern.timecounter.tc.HPET.quality: 950 > > > > > kern.timecounter.tc.HPET.frequency: 14318180 > > > > > kern.timecounter.tc.HPET.counter: 1883995229 > > > > > kern.timecounter.tc.HPET.mask: 4294967295 > > > > > kern.timecounter.tc.i8254.quality: 0 > > > > > kern.timecounter.tc.i8254.frequency: 1193182 > > > > > kern.timecounter.tc.i8254.counter: 57 > > > > > kern.timecounter.tc.i8254.mask: 65535 > > > > > kern.timecounter.tc.TSC-low.quality: 1000 > > > > > kern.timecounter.tc.TSC-low.frequency: 1413153007 > > > > > kern.timecounter.tc.TSC-low.counter: 2352002295 > > > > > kern.timecounter.tc.TSC-low.mask: 4294967295 > > > > > > > > > > I overrode the default selection of counter-type as NTPD drifted so > > > > > badly as to require stepping almost hourly :-( > > > > If you return to TSC, does the problem go away? > > Same question if you leave HPET on, but set fast_gettime to 0. > > While I've only done one build (still) with HPET with > kern.timecounter.fast_gettime=0, I didn't see a core-dump. > I'll test more over the weekend, It is still not definitive, could you also run with timecounter set to TSC and fast_gettime=1? (Ignoring the ntpd or stopping it)