Hey guys,
I am encountering some TCP issues on a RHEL5.5 with unbound 1.4.6
(homemade), ldns 1.6.4 (EPEL5) and libevent-1.4.13 (stock:).
TCP stops working after a random amount of time (after a day or two). As
a result we have timeouts or sometimes an answer after many seconds. To
fix this odd behaviour I must restart unbound. I can see interesting
stuff in the logs which doesn't sound good :
[..]
2010-11-14T20:58:50.266456+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:01:32.850306+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:02:40.550057+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:04:39.722422+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:09:22.810925+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:12:07.241707+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:32:12.354364+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:38:47.172330+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:38:47.785624+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:38:47.791953+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:38:47.792277+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:38:50.490228+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:38:50.490766+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:42:49.785485+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:42:49.808128+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T21:45:01.650444+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T22:28:38.252697+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
2010-11-14T22:41:44.186902+11:00 ns2 unbound: [11863:0] error: tcp
writev: Broken pipe
Note that I am using : interface-automatic: yes.
How I compile/package unbound :
%configure --with-ldns= --with-libevent --with-pthreads --with-ssl \
--disable-rpath --enable-debug --disable-static \
--with-conf-file=%{_sysconfdir}/%{name}/unbound.conf \
--with-pidfile=%{_localstatedir}/run/%{name}/%{name}.pid \
Could this be linked to the fact I compiled Unbound 1.4.6 with ldns
1.6.4 (saying that because Paul Wouters opened a thread about possible
dangerous linking when building RPM - something you've just fixed in 1.4.7).
Any thoughts ? Except this small issue unbound is quite awesome. Many
thanks for this great piece of software.
Thomas
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