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Bug#550840: UPD: apache2-mpm-prefork: reload does not work: childs hangs on FUTEX_WAIT_PRIVATE

found: 2.2.16-6+squeeze4

is this bug still (or again?) present in Debian Squeeze?

I think I hit this problem multiple times during last week, getting
something like:

hostname:/# strace -p 22854
Process 22854 attached - interrupt to quit
futex(0x7f1dc6f96550, FUTEX_WAIT_PRIVATE, 2, NULL^C <unfinished ...>
Process 22854 detached

After finding this bugreport I disabled ipv6 on the server which seems
to fix the issue.

-- Package-specific info:
List of enabled modules from 'apache2 -M':
  alias auth_basic auth_pam auth_sys_group authn_file authz_default
  authz_groupfile authz_host authz_user autoindex deflate dir env
  macro mime php5 rewrite setenvif status
List of enabled php5 extensions:
  curl gd mcrypt mysql mysqli pdo pdo_mysql suhosin

-- System Information:
Debian Release: 6.0.3
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-2-xen-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages apache2-mpm-prefork depends on:
ii  apache2.2-bin          2.2.16-6+squeeze4 Apache HTTP Server common
binary f
ii  apache2.2-common       2.2.16-6+squeeze4 Apache HTTP Server common files

apache2-mpm-prefork recommends no packages.

apache2-mpm-prefork suggests no packages.

-- no debconf information

CHECON   EDV-Consulting und Redaktion
         Claus Herwig * Barer Straße 70 * 80799 München
         +49 89 27826981 * Fax 27826982 * c.herwig@checon.de

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