Bug #60961 [NEW]: Graceful Restart (USR2) isn't very graceful

From: Operating system: Debian Squeeze PHP version: 5.3.9 Package: FPM related Bug Type: Bug Bug description:Graceful Restart (USR2) isn't very graceful Description: ------------ I just compiled a new PHP+APC with the CVE-2012-0830 fix. It looks like all/some of the the active requests died. I had the same problem when upgrading to 5.3.8 and 5.3.9 too. # cat /var/log/nginx/error.log *empty* # cat /var/run/php-fpm.pid 2161 # ps aux | fgrep -i 2161 root 2161 0.1 0.2 123692 4520 ? Ss 06:28 0:00 php-fpm: master process (/opt/php/etc/php-fpm.conf) # kill -USR2 2161 # cat /var/log/nginx/error.log 2012/02/02 21:08:26 [error] 25004#0: *7381002 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7381001 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7372696 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7381238 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7374985 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7369723 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7360478 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7371999 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7375111 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XXX 2012/02/02 21:08:26 [error] 25004#0: *7381000 readv() failed (104: Connection reset by peer) while reading upstream, client: xx.xx.xx.xx, server: XXX This gives 502 Bad Gateway on the client. -- Edit bug report at https://bugs.php.net/bug.php?id=60961&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=60961&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=60961&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=60961&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=60961&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60961&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=60961&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=60961&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=60961&r=needscript Try newer version: https://bugs.php.net/fix.php?id=60961&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=60961&r=support Expected behavior: https://bugs.php.net/fix.php?id=60961&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=60961&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=60961&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=60961&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=60961&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=60961&r=dst IIS Stability: https://bugs.php.net/fix.php?id=60961&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=60961&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=60961&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=60961&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=60961&r=mysqlcfg