Date: Sun, 14 Oct 2018 18:51:42 -0700 From: "Enji Cooper (yaneurabeya)" <yaneurabeya@gmail.com> To: FreeBSD Current <freebsd-current@freebsd.org>, freebsd-net <freebsd-net@FreeBSD.org> Cc: Gleb Smirnoff <glebius@freebsd.org>, Jonathan Looney <jonlooney@gmail.com> Subject: Relatively deterministic panic with sendfile(2) when running tests in the sxlock code Message-ID: <CC816726-7B79-4643-82DD-7B4CF4A25F54@gmail.com>
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--Apple-Mail=_9AD4530D-CCA5-40CA-9DCF-25C58AA14C0D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi, I=E2=80=99m seeing a semi-deterministic panic on 12.0-ALPHA9 = related to sendfile(2) when running sendfile_test on the host: = https://pastebin.com/raw/6Y7xg0ki; it looks like it=E2=80=99s crashing = in the sxlock code when calling sblock on a sockbuf. Are there any = commands in gdb you would like me to run to display lock state? Repro: mkdir /path/to/git/checkout cd /path/to/git/checkout git clone https://github.com/ngie-eign/freebsd/tree/sendfile_tests . git checkout sendfile_tests (cd lib/libc/tests/sys/; make obj; make; sudo make install) kyua test -k /usr/tests/lib/libc/sys/Kyuafile sendfile_test Thank you! -Enji --Apple-Mail=_9AD4530D-CCA5-40CA-9DCF-25C58AA14C0D Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE5bk3FaGcY5rvqmb79YOpJmkwhhUFAlvD8q4ACgkQ9YOpJmkw hhWizxAAkAb7xxZfzu3kf8j+uDsb1+gZMjyhJ/vmHBCE96fHZOFP5D0yj8IOqkYl eW5LcXOciBzW8j4L/NQorhMF7nvGhcXnKnTUNOgQi5ILfn9CHVdJd1veWMhjVdre l8QixiD2Itq4bZN1cYJBd2goNInRxhYQHxKJcQrgg3W/PE7R8c/Nr3DkfmgAO+Qk 5eHjfRJI4EayR/eoQl8fdVWtZHQfR4OEPc53X8JyFfkkTHxnivl9eX1Gdh6uN5x6 L9mhrHkJ9DyEeJl8wlmvutlbA7UE7ZfKPc2fHwZ9NwuMmhu21YtBumRwQ5kP4k9z OazZMJAo8bDgLkVgtS8KCx0b/IWLYpX0CDnzNklKbWLCuXPiK3XR5K0AKrqFQxj4 ZOUKYFlLibxbq6dyUX3HWXbbHY1dotNodVHjY9nmV1R4FDMwGgQkW7IuIqJ2eKwd iSBYu4X85dRs40aD1z431WXipc9q2SqwApy9DRjrOFe6ArRwJAL2KwPPdWcDCLEb Sj+GybNGaDTYxJoeFOC2hJz252kwJ6qgrmVHKDl4P+VqFX9OLRTLblkVeJ/NfE+Z yVU9isB95+2hDH8wEUGVT9QykZsMndcw2RfYVvV4pKG5iwOWtE8UIfOTX5KyhsBX EfYuh5gwungUoN8G5jUoZAHxSBUDRRf+BS+k9jTa577h9+ChFrU= =QagA -----END PGP SIGNATURE----- --Apple-Mail=_9AD4530D-CCA5-40CA-9DCF-25C58AA14C0D--
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