Date: Fri, 11 Jun 2021 02:02:12 -0700 From: Mark Millard via freebsd-arm <freebsd-arm@freebsd.org> To: "Herbert J. Skuhra" <herbert@gojira.at> Cc: freebsd-arm@freebsd.org Subject: Re: Easily reproducible stable/13 kernel crash Message-ID: <AECF6C67-FA6D-4913-872A-785604D75BD8@yahoo.com> In-Reply-To: <YMMhdvZlFx0VW0de@mail.bsd4all.net> References: <63c37775-f1f6-def7-1ca2-4ac0460c46e2@shrew.net> <87y2bhuehz.wl-herbert@gojira.at> <87wnr0vq79.wl-herbert@gojira.at> <5675A430-06C2-4424-B13A-4327F37F82FD@yahoo.com> <YMMhdvZlFx0VW0de@mail.bsd4all.net>
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On 2021-Jun-11, at 01:40, Herbert J. Skuhra <herbert at gojira.at> = wrote: > On Fri, Jun 11, 2021 at 01:25:31AM -0700, Mark Millard via freebsd-arm = wrote: >>=20 >> I tried the stable/13-n245765-bec0d2c9c841 based bectl environment >> that I happen to have in place on a RPi4B: >>=20 >> # sysctl net.inet.tcp.lro >> net.inet.tcp.lro.sackwakeups: 0 >> net.inet.tcp.lro.lockcnt: 0 >> net.inet.tcp.lro.single: 0 >> net.inet.tcp.lro.compressed: 0 >> net.inet.tcp.lro.wokeup: 0 >> net.inet.tcp.lro.fullqueue: 0 >> net.inet.tcp.lro.entries: 8 >> net.inet.tcp.lro.hold_lock: 0 >=20 > # sysctl net.inet.tcp.lro.sackwakeups > sysctl: unknown oid 'net.inet.tcp.lro.sackwakeups' > # sysctl net.inet.tcp.lro.single > sysctl: unknown oid 'net.inet.tcp.lro.single > # sysctl net.inet.tcp.lro.hold_lock > sysctl: unknown oid 'net.inet.tcp.lro.hold_lock' Looks like main [so: 14] does not have those. > Still trying to get a crash dump and a backtrace. Just for reference, booting 3 distinct bectl environments that are on the same media: # uname -apKU FreeBSD CA72_4c8G_ZFS 14.0-CURRENT FreeBSD 14.0-CURRENT #4 = main-n247017-e5f5b6a75c0a-dirty: Sat May 29 01:08:39 PDT 2021 = root@CA72_16Gp_ZFS:/usr/obj/BUILDs/main-CA72-nodbg-clang/usr/main-src/arm6= 4.aarch64/sys/GENERIC-NODBG-CA72 arm64 aarch64 1400017 1400017 # sysctl net.inet.tcp.lro net.inet.tcp.lro.without_m_ackcmp: 0 net.inet.tcp.lro.with_m_ackcmp: 0 net.inet.tcp.lro.would_have_but: 0 net.inet.tcp.lro.extra_mbuf: 0 net.inet.tcp.lro.lockcnt: 0 net.inet.tcp.lro.compressed: 0 net.inet.tcp.lro.wokeup: 0 net.inet.tcp.lro.fullqueue: 0 net.inet.tcp.lro.entries: 8 # uname -apKU FreeBSD CA72_4c8G_ZFS 13.0-RELEASE-p1 FreeBSD 13.0-RELEASE-p1 #1 = releng/13.0-n244744-8023e729a521-dirty: Wed May 26 15:20:08 PDT 2021 = root@CA72_4c8G_ZFS:/usr/obj/BUILDs/13_0R-CA72-nodbg-clang/usr/13_0R-src/ar= m64.aarch64/sys/GENERIC-NODBG-CA72 arm64 aarch64 1300139 1300139 # sysctl net.inet.tcp.lro net.inet.tcp.lro.sackwakeups: 0 net.inet.tcp.lro.lockcnt: 0 net.inet.tcp.lro.single: 0 net.inet.tcp.lro.compressed: 0 net.inet.tcp.lro.wokeup: 0 net.inet.tcp.lro.fullqueue: 0 net.inet.tcp.lro.entries: 8 net.inet.tcp.lro.hold_lock: 0 # uname -apKU FreeBSD CA72_4c8G_ZFS 13.0-STABLE FreeBSD 13.0-STABLE #2 = stable/13-n245765-bec0d2c9c841-dirty: Thu May 27 14:16:42 PDT 2021 = root@CA72_4c8G_ZFS:/usr/obj/BUILDs/13S-CA72-nodbg-clang/usr/13S-src/arm64.= aarch64/sys/GENERIC-NODBG-CA72 arm64 aarch64 1300505 1300505 # sysctl net.inet.tcp.lro net.inet.tcp.lro.sackwakeups: 0 net.inet.tcp.lro.lockcnt: 0 net.inet.tcp.lro.single: 0 net.inet.tcp.lro.compressed: 0 net.inet.tcp.lro.wokeup: 0 net.inet.tcp.lro.fullqueue: 0 net.inet.tcp.lro.entries: 8 net.inet.tcp.lro.hold_lock: 0 So the releng/13.0 and stable/13 have net.inet.tcp.lro.sackwakeups and the like but main does not. Note: I do use a USB3 EtherNet dongle instead of genet0, in case that matters. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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