Date: Tue, 2 Feb 2021 21:02:13 +0100 From: Johan Hendriks <joh.hendriks@gmail.com> To: Mateusz Guzik <mjguzik@gmail.com>, Kyle Evans <kevans@freebsd.org> Cc: Kristof Provost <kp@freebsd.org>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: latest stable13.0-ALPHA3 can not start varnish anymore. Message-ID: <74f1dcc9-51e0-8272-4fbd-c3bdd8cf9e89@gmail.com> In-Reply-To: <CAGudoHG2Facn1ERKjVKZ73rO355TY-Vkm6d%2BbswesY%2B2TtJ3gw@mail.gmail.com> References: <890f2a63-62a9-f4a7-b57f-5b122a4a9709@gmail.com> <9821a854-9c86-060b-607b-01a2fbbc076e@gmail.com> <44315237-2B01-4C1B-A992-E235A5A911B0@FreeBSD.org> <CACNAnaEtwDkxQJKmfX_shgWFJZCqB6XrTR9EgXb0cwfE__sAvw@mail.gmail.com> <CAGudoHG2Facn1ERKjVKZ73rO355TY-Vkm6d%2BbswesY%2B2TtJ3gw@mail.gmail.com>
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On 02/02/2021 19:20, Mateusz Guzik wrote: > I fixed the problem and given the impending builds merged it > immediately. Can be seen here: > https://cgit.freebsd.org/src/commit/?id=4e29933d0936fd053f7591ee118dc1fc42617514 > > Should you run into any other problems, they can be temporarily worked > around with: > sysctl vfs.cache_fast_lookup=0 > > For problem reports in the area please collect: > dtrace -n 'vfs:fplookup:lookup:done { @[arg1, arg2, > stringof(args[0].ni_cnd.cn_pnbuf)] = count(); }' -c "failing command" > > On 2/2/21, Kyle Evans <kevans@freebsd.org> wrote: >> On Tue, Feb 2, 2021 at 10:42 AM Kristof Provost <kp@freebsd.org> wrote: >>> On 2 Feb 2021, at 14:05, Johan Hendriks wrote: >>>> On 01/02/2021 22:48, Johan Hendriks wrote: >>>>> I just updated my FreeBSD 13.0-APLPHA3 to the latest revision and now >>>>> i can not start varnish anymore. >>>>> This is on two machines. >>>>> >>>>> if i start varnish it errors out as the startup script does a config >>>>> file check. >>>>> If i try to do a test of the config file i get the following error. >>>>> >>>>> root@jhost002:~ # varnishd -C -f /usr/local/etc/varnish/default.vcl >>>>> Error: Cannot create working directory '/tmp/varnishd_C_dwbl7mn/': Is >>>>> a directory >>>>> Error: Cannot create working directory (/tmp/varnishd_C_dwbl7mn/): No >>>>> error: 0 >>>>> (-? gives usage) >>>>> root@jhost002:~ # >>>>> >>>>> This is on: >>>>> FreeBSD jhost002.mydomain.nl 13.0-ALPHA3 FreeBSD 13.0-ALPHA3 #35 >>>>> stable/13-c256281-gc415d0df47fc: Mon Feb 1 17:04:49 CET 2021 >>>>> root@srv-01.home.local:/usr/obj/usr/src/amd64.amd64/sys/KRNL amd64 >>>>> >>>>> I did not update the package or installed any other software besides >>>>> the buildworld. >>>>> >>>>> regards, >>>>> Johan >>>>> >>>>> >>>> I have tried some bisecting as far as my understanding of git goes. I >>>> do not know which one is the latest, but on these revisions varnish >>>> works. >>>> >>>> FreeBSD jhost002 13.0-ALPHA3 FreeBSD 13.0-ALPHA3 #8 >>>> c256261-g9375a93b6c22: Tue Feb 2 13:33:05 CET 2021 >>>> root@jhost002:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 >>>> >>>> uname -a >>>> FreeBSD jhost002 13.0-ALPHA3 FreeBSD 13.0-ALPHA3 #7 >>>> c256260-g247f652e622d: Tue Feb 2 13:07:37 CET 2021 >>>> root@jhost002:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 >>>> >>> Can you try setting `sysctl vfs.cache_fast_lookup=0` ? >>> >>> (As suggested by Mateusz elsewhere.) >>> >> We confirmed that reverting 006ec2ed fixes it, I'm still trying to get >> an idea of what's happening. My initial analysis suggests that >> fplookup hits the trailing slash and aborts, leaving us at the >> degenerate state back up in the slow-path. >> >> I have a small reproducer that I'm working with: >> https://people.freebsd.org/~kevans/namereg.c >> Just did a full rebuild for stable 13 and i can run varnishd -C -f /usr/local/etc/varnish/default.vcl again. FreeBSD jhost002 13.0-ALPHA3 FreeBSD 13.0-ALPHA3 #14 stable/13-n244422-4e29933d0936: Tue Feb 2 20:49:09 CET 2021 root@jhost002:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 Thank you all for your time and work.
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