Date: Fri, 9 May 2014 13:59:37 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Karl Pielorz <kpielorz_lst@tdx.co.uk> Cc: Daniel Eischen <deischen@freebsd.org>, freebsd-hackers@freebsd.org Subject: Re: Stuck CLOSED sockets / sshd / zombies... Message-ID: <20140509105937.GE74331@kib.kiev.ua> In-Reply-To: <45E85B0B7769CBE623165498@Mail-PC.tdx.co.uk> References: <20140410184855.GP21331@kib.kiev.ua> <211BD03C086DDB1A07FDF036@Mail-PC.tdx.co.uk> <20140411131649.GR21331@kib.kiev.ua> <652B8CA4866C0B9E4650430B@Mail-PC.tdx.co.uk> <20140411141526.GT21331@kib.kiev.ua> <464979E8F6FCBD7EA7DAA38B@Mail-PC.tdx.co.uk> <20140411160628.GV21331@kib.kiev.ua> <Pine.GSO.4.64.1404111320250.23129@sea.ntplx.net> <20140411183949.GX21331@kib.kiev.ua> <45E85B0B7769CBE623165498@Mail-PC.tdx.co.uk>
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--DRp5/Sds4nAqvQzf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, May 09, 2014 at 09:28:29AM +0100, Karl Pielorz wrote: >=20 > --On 11 April 2014 21:39 +0300 Konstantin Belousov <kostikbel@gmail.com>= =20 > wrote: >=20 > > BTW, below is the updated patch with the workaround for sshd issue. > > > > diff --git a/secure/usr.sbin/sshd/Makefile b/secure/usr.sbin/sshd/Makef= ile > > index 4f730a9..b3231a4 100644 > > --- a/secure/usr.sbin/sshd/Makefile > > +++ b/secure/usr.sbin/sshd/Makefile > > @@ -57,6 +57,12 @@ CFLAGS+=3D -DNONE_CIPHER_ENABLED > > DPADD+=3D ${LIBCRYPT} ${LIBCRYPTO} ${LIBZ} > > LDADD+=3D -lcrypt -lcrypto -lz > > > > +# put the threading library last > > +.if ${MK_KERBEROS_SUPPORT} !=3D "no" > > +DPADD+=3D ${LIBPTHREAD} > > +LDADD+=3D -lpthread > > +.endif > > + > > .if defined(LOCALBASE) > > CFLAGS+=3D -DXAUTH_PATH=3D\"${LOCALBASE}/bin/xauth\" > > .endif >=20 > As far as I can see this hasn't been committed to 10/Stable yet? (or=20 > anywhere?) That means anything we build from 10/Stable is still going to= =20 > have this issue - where sshd hangs because "libthr wrapper thr_sighandler= ()=20 > for the signal handlers is not installed as the recepient of the kernel= =20 > signal, which prevents libthr locks for rtld from working properly." It was committed in r265313 to stable/10, and in r265314 to stable/9, although the later was not strictly neccessary. >=20 > This is causing us issues [as well as some other people running other too= ls=20 > - not fixed by this patch] - I would raise a PR - but it's not my patch! = :) >=20 > Thanks, >=20 > -Karl > =20 --DRp5/Sds4nAqvQzf Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBAgAGBQJTbLUYAAoJEJDCuSvBvK1BUQsP/Auh89YBSkBZZ2vqgD7Fgx/B rxaalguYe5rt4pZSLu08H3JTOyIxXJq3byRgBguwP93dXvGpOjFq/vIvCbc/CayV GvGp+lsHiMA81gqSHt6tvg1La3/ucBDXpNJDTJl90JUxK3IjcBhN5RBusus6WJqw ft3iqdLRwvfSS56ShPRTOVTBbcHe2roIVdeMyiRwDiPKxA/io2hXsWgxfPqUJVrC 5tyzrfHNj3lDopqCpbm4Cy8XofcP6PjdIgR/9rZkjxRBbVDvbXg6YyYkNNbTWzAw EIDk4VMC6WryO4VwIg4uGnXqcAnKXB+Vobx8I0tWkJhZCpGH5doEBOSb/to/qDHB 1ap3WqZK3noPBZL5mhat5kOf4Kec9f1+ruVlrd83injiaTtP3c8nXFG4urG3OXX+ a2XBYb9j7DfgRKgWrJ+Y01sfiqWknRbQWKILhlp4CQK1CpwIz+HnmFmPa2BZ4JHM Nk/gCT9JCD1kVhrAX6CS8LVsDTURGegOXiktvEhg4xo7HVF7yWRWWspu7l3Emnve gI/uHq/hNL38omXH4Y2dqOsgDJ6Fph2RtqbPmOiJrgZ2lrZQJ4moQcfAsYDnZwtW nbvJApVvB+ff4WXzOAbrIFIa51+kPa8FWjT9QD1rFikp09Uq76G14n8nbBermsT6 frK8vQqAPlmjgWqOYlUX =Na74 -----END PGP SIGNATURE----- --DRp5/Sds4nAqvQzf--
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