On Thu, Nov 08, 2012 at 09:52:02AM +0000, Russell Coker wrote:
> Package: perdition
> Version: 1.19~rc4-2
> Severity: normal
>
> The following is an strace of a repeated perdition abort that is happening on
> one of my servers.
>
> I presume it's related to something on the Internet because the system has
> been
> running Squeeze for ages without trouble and it's crashed about a dozen times
> today without having crashed before.
>
> fcntl(3, F_SETFL, O_RDWR) = 0
> poll([{fd=3, events=POLLIN}], 1, -1) = 1 ([{fd=3, revents=POLLIN}])
> fcntl(3, F_GETFL) = 0x2 (flags O_RDWR)
> fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
> accept(3, 0x7fffadc5b900, [128]) = -1 ECONNABORTED (Software caused
> connection abort)
> accept(3, 0x7fffadc5b900, [128]) = -1 EAGAIN (Resource temporarily
> unavailable)
> fcntl(3, F_SETFL, O_RDWR) = 0
> gettimeofday({1352367448, 368675}, NULL) = 0
> socket(PF_FILE, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
> connect(4, {sa_family=AF_FILE, path="/dev/log"}, 110) = 0
> sendto(4, "<131>Nov 8 09:37:28 perdition.imap4[725]: Fatal error accepting
> child connection. Exiting.\n", 92, MSG_NOSIGNAL, NULL, 0) = 92
It looks like a good way forward would be to simply jump back to the top of
the main loop if accept() fails and errno is EAGAIN or ECONNABORTED. Do
you think there are any other errno values that should also be ignored?
> -- System Information:
> Debian Release: 6.0.6
> APT prefers stable
> APT policy: (500, 'stable')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 2.6.32-5-xen-amd64 (SMP w/4 CPU cores)
> Locale: LANG=en_AU, LC_CTYPE=en_AU (charmap=ISO-8859-1)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages perdition depends on:
> ii libc6 2.11.3-4 Embedded GNU C Library: Shared
> lib
> ii libdb4.8 4.8.30-2 Berkeley v4.8 Database Libraries
> [
> ii libgdbm3 1.8.3-9 GNU dbm database routines
> (runtime
> ii libidn11 1.15-2 GNU Libidn library,
> implementation
> ii libpam0g 1.1.1-6.1+squeeze1 Pluggable Authentication Modules
> l
> ii libpopt0 1.16-1 lib for parsing cmdline
> parameters
> ii libssl0.9.8 0.9.8o-4squeeze13 SSL shared libraries
> ii libvanessa-adt1 0.0.9-1 Library of Abstract Data Types
> ii libvanessa-logger0 0.0.10-1.1 Generic Logging Library
> ii libvanessa-socket2 0.0.12-1 Library to simplify TCP socket
> ope
>
> perdition recommends no packages.
>
> Versions of packages perdition suggests:
> pn perdition-ldap <none> (no description available)
> ii perdition-mysql 1.19~rc4-2 Library to allow perdition to
> acce
> pn perdition-odbc <none> (no description available)
> pn perdition-postgresql <none> (no description available)
>
> -- Configuration Files:
> /etc/default/perdition changed:
> RUN_PERDITION=yes
> FLAGS=--no_bind_banner
> POP3=yes
> POP3_FLAGS="-t 600"
> POP3S=yes
> POP3S_FLAGS="-t 600 --ssl_mode=ssl_listen --outgoing_port=110"
> IMAP4=yes
> IMAP4_FLAGS=
> IMAP4S=yes
> IMAP4S_FLAGS="--ssl_mode=ssl_listen --outgoing_port=143"
> MANAGESIEVE=yes
> MANAGESIEVE_FLAGS=
>
> /etc/perdition/perdition.conf changed:
> authenticate_timeout 120
> domain_delimiter :
> log_facility local0
> group perdition
> imap_capability IMAP4rev1 SASL-IR SORT THREAD=REFERENCES MULTIAPPEND UNSELECT
> LITERAL+ IDLE CHILDREN NAMESPACE LOGIN-REFERRALS UIDPLUS LIST-EXTENDED
> I18NLEVEL=1 QUOTA
> "\"IMPLEMENTATION\" \"perdition\" "\
> "\"SIEVE\" \"comparator-i;octet "\
> "comparator-i;ascii-casemap "\
> "fileinto "\
> "reject "\
> "envelope "\
> "encoded-character "\
> "vacation "\
> "subaddress "\
> "comparator-i;ascii-numeric "\
> "relational "\
> "regex "\
> "imap4flags "\
> "copy i"\
> "nclude "\
> "variables "\
> "body "\
> "enotify "\
> "environment "\
> "mailbox "\
> "date\" "\
> "\"SASL\" \"PLAIN\" "\
> "\"NOTIFY\" \"mailto\" "\
> "\"VERSION\" \"1.18\""
> connection_limit 0
> lower_case all
> map_library /usr/lib/libperditiondb_mysql.so.0
> map_library_opt "db2:3306:bluebottle:map:perdition:nuchohB2"
> timeout 3600
> username perdition
> ssl_ca_chain_file /etc/ssl/certs/RapidSSL_CA_bundle.pem
> ssl_ca_path /etc/perdition/
> ssl_cert_file /etc/ssl/certs/20110822-star.bluebottle.com.crt
> ssl_cert_accept_expired
> ssl_cert_verify_depth 9
> ssl_key_file /etc/ssl/certs/20110822-star.bluebottle.com.key
> ssl_no_cn_verify
>
>
> -- no debconf information
>
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