Date: Thu, 30 Jun 2016 15:52:04 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Patrick Lamaiziere <patfbsd@davenulle.org> Cc: freebsd-stable@freebsd.org Subject: Re: 10.3-RELEASE amd64 segmentation faults in wc, sh... Message-ID: <20160630125204.GO38613@kib.kiev.ua> In-Reply-To: <20160630135732.76f27305@mr185083> References: <20160630135732.76f27305@mr185083>
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On Thu, Jun 30, 2016 at 01:57:32PM +0200, Patrick Lamaiziere wrote: > Hello, > > I'm building a pair of firewall with 10.3 and I see some rare > segmentation faults (5 in a week) in processes like wc, sh or ifstated. > > wc, sh are used by some scripts who check the state of the interfaces > and the state of bgp sessions. Ifstated called theses scripts too. > > I thought there was a bug in ifstated so I made a small program in > perl to do the same thing but the problem is not in ifstated. > > The machines are some Dell R730, I've checked the memory with > memtest86 for one week without error. The problem occurs on both > firewalls so i don't think this is a hardware problem. > > Any idea? > > Thanks, regards. > > ifstated > -------- > Core was generated by `ifstated'. > Program terminated with signal 11, Segmentation fault. > Reading symbols from /usr/local/lib/libevent-2.0.so.5...(no debugging symbols found)...done. > Loaded symbols for /usr/local/lib/libevent-2.0.so.5 > Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done. > Loaded symbols for /lib/libc.so.7 > Reading symbols from /lib/libthr.so.3...(no debugging symbols found)...done. > Loaded symbols for /lib/libthr.so.3 > Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. > Loaded symbols for /libexec/ld-elf.so.1 > #0 0x0000000800e23a67 in pthread_getspecific () from /lib/libthr.so.3 > Cannot find new threads: generic error > > sh > -- > Core was generated by `sh'. > Program terminated with signal 11, Segmentation fault. > Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. > Loaded symbols for /libexec/ld-elf.so.1 > #0 0x000000080063351b in _rtld_atfork_post () from /libexec/ld-elf.so.1 > > wc > -- > Core was generated by `wc'. > Program terminated with signal 11, Segmentation fault. > Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. > Loaded symbols for /libexec/ld-elf.so.1 > #0 0x0000000800612524 in _rtld_atfork_post () from /libexec/ld-elf.so.1 This is most likely the problems, reported and fixed in r300758, PR 204764 r302063, and PR 204426 r302236. First and second commits are already in stable/10, the third one will be merged in several days.
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