Issue #13038 has been updated by Erik Dalén.
Michael Stahnke wrote: > Are you on RHEL or CentOS or something similar? We've seen issues with > specific kernels on EL 5 systems. This is on Debian Squeeze (Linux 2.6.32). The agent is run from cron. ---------------------------------------- Bug #13038: Hung agent processes https://projects.puppetlabs.com/issues/13038#change-56492 Author: Erik Dalén Status: Needs More Information Priority: Normal Assignee: Erik Dalén Category: Target version: Affected Puppet version: 2.7.11 Keywords: select hung process stuck Branch: Since upgrading to 2.7.11 (from 2.6.2) we have experienced a number or hosts where the puppet process has gotten stuck. Doing a strace shows the following: Process 15272 attached - interrupt to quit select(0, NULL, NULL, NULL, {0, 386506}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout) select(0, NULL, NULL, NULL, {1, 0}^C <unfinished ...> Process 15272 detached lsof output: # lsof -p 15272 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME puppet 15272 root cwd DIR 254,0 4096 917506 /root puppet 15272 root rtd DIR 254,0 4096 2 / puppet 15272 root txt REG 254,0 5424 794665 /usr/bin/ruby1.8 puppet 15272 root mem REG 254,0 80712 1180151 /lib/libresolv-2.11.2.so puppet 15272 root mem REG 254,0 22928 1180172 /lib/libnss_dns-2.11.2.so puppet 15272 root mem REG 254,0 37984 922400 /usr/lib/ruby/1.8/x86_64-linux/zlib.so puppet 15272 root mem REG 254,0 10784 925695 /usr/lib/ruby/1.8/x86_64-linux/shadow.so puppet 15272 root mem REG 254,0 8648 922394 /usr/lib/ruby/1.8/x86_64-linux/digest/md5.so puppet 15272 root mem REG 254,0 45824 922412 /usr/lib/ruby/1.8/x86_64-linux/socket.so puppet 15272 root mem REG 254,0 93936 793016 /usr/lib/libz.so.1.2.3.4 puppet 15272 root mem REG 254,0 1693344 797851 /usr/lib/libcrypto.so.0.9.8 puppet 15272 root mem REG 254,0 349248 797852 /usr/lib/libssl.so.0.9.8 puppet 15272 root mem REG 254,0 298664 922401 /usr/lib/ruby/1.8/x86_64-linux/openssl.so puppet 15272 root mem REG 254,0 15304 922415 /usr/lib/ruby/1.8/x86_64-linux/racc/cparse.so puppet 15272 root mem REG 254,0 12712 922397 /usr/lib/ruby/1.8/x86_64-linux/digest.so puppet 15272 root mem REG 254,0 12808 922392 /usr/lib/ruby/1.8/x86_64-linux/digest/sha1.so puppet 15272 root mem REG 254,0 14392 791358 /usr/lib/gconv/UTF-16.so puppet 15272 root mem REG 254,0 17064 922409 /usr/lib/ruby/1.8/x86_64-linux/iconv.so puppet 15272 root mem REG 254,0 19352 922402 /usr/lib/ruby/1.8/x86_64-linux/strscan.so puppet 15272 root mem REG 254,0 271400 922421 /usr/lib/ruby/1.8/x86_64-linux/nkf.so puppet 15272 root mem REG 254,0 12680 922406 /usr/lib/ruby/1.8/x86_64-linux/syslog.so puppet 15272 root mem REG 254,0 47616 1180155 /lib/libnss_files-2.11.2.so puppet 15272 root mem REG 254,0 43552 1180152 /lib/libnss_nis-2.11.2.so puppet 15272 root mem REG 254,0 89064 1180168 /lib/libnsl-2.11.2.so puppet 15272 root mem REG 254,0 31616 1180165 /lib/libnss_compat-2.11.2.so puppet 15272 root mem REG 254,0 5344 922420 /usr/lib/ruby/1.8/x86_64-linux/fcntl.so puppet 15272 root mem REG 254,0 11032 922399 /usr/lib/ruby/1.8/x86_64-linux/etc.so puppet 15272 root mem REG 254,0 16560 922398 /usr/lib/ruby/1.8/x86_64-linux/thread.so puppet 15272 root mem REG 254,0 119984 922403 /usr/lib/ruby/1.8/x86_64-linux/syck.so puppet 15272 root mem REG 254,0 21120 922413 /usr/lib/ruby/1.8/x86_64-linux/stringio.so puppet 15272 root mem REG 254,0 1432968 1180158 /lib/libc-2.11.2.so puppet 15272 root mem REG 254,0 530736 1180167 /lib/libm-2.11.2.so puppet 15272 root mem REG 254,0 35104 1180169 /lib/libcrypt-2.11.2.so puppet 15272 root mem REG 254,0 14696 1180157 /lib/libdl-2.11.2.so puppet 15272 root mem REG 254,0 31744 1180160 /lib/librt-2.11.2.so puppet 15272 root mem REG 254,0 131260 1180159 /lib/libpthread-2.11.2.so puppet 15272 root mem REG 254,0 927840 794548 /usr/lib/libruby1.8.so.1.8.7 puppet 15272 root mem REG 254,0 128744 1180170 /lib/ld-2.11.2.so puppet 15272 root mem REG 254,0 26048 793220 /usr/lib/gconv/gconv-modules.cache puppet 15272 root 0r FIFO 0,8 0t0 765633332 pipe puppet 15272 root 1u REG 254,0 0 393323 /tmp/tmpfs2dR5B (deleted) puppet 15272 root 2u REG 254,0 0 393323 /tmp/tmpfs2dR5B (deleted) puppet 15272 root 3r FIFO 0,8 0t0 765635635 pipe puppet 15272 root 4w FIFO 0,8 0t0 765635635 pipe puppet 15272 root 5u unix 0xffff8801b88f0f00 0t0 765635637 socket -- You have received this notification because you have either subscribed to it, or are involved in it. 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