Apache's processes disappear after `apache2ctl graceful` with the
following lines in errorlog:
[Sun Apr 04 17:38:25 2010] [error] (4)Interrupted system call: waitpid()
failed
[Sun Apr 04 17:38:25 2010] [error] (4)Interrupted system call: waitpid()
failed
[Sun Apr 04 17:38:25 2010] [error] (4)Interrupted system call: waitpid()
failed
[Sun Apr 04 17:38:25 2010] [error] (4)Interrupted system call: waitpid()
failed
[Sun Apr 04 17:38:25 2010] [error] (4)Interrupted system call: waitpid()
failed
[Sun Apr 04 17:38:25 2010] [error] (4)Interrupted system call: waitpid()
failed
[Sun Apr 04 17:38:25 2010] [error] (4)Interrupted system call: waitpid()
failed
I have no experience in debugging so I hope to get some help here :)
What should I do to get more detailed information about the reason of fails?
# apache2 -v
Server version: Apache/2.2.9 (Debian)
Server built: Nov 15 2009 11:32:50
# apache2 -t -D DUMP_MODULES
Loaded Modules:
core_module (static)
log_config_module (static)
logio_module (static)
mpm_itk_module (static) # <- (!)
http_module (static)
so_module (static)
alias_module (shared)
auth_basic_module (shared)
authn_file_module (shared)
authz_default_module (shared)
authz_groupfile_module (shared)
authz_host_module (shared)
authz_user_module (shared)
autoindex_module (shared)
deflate_module (shared)
dir_module (shared)
env_module (shared)
include_module (shared)
mime_module (shared)
negotiation_module (shared)
php5_module (shared)
rewrite_module (shared)
setenvif_module (shared)
There is a one more weird thing with Linux kernel. I use Debian Lenny,
but uname shows 2.6.33 kernel.
# uname -a
Linux (hostname here) 2.6.33 #1 SMP Thu Feb 25 21:13:55 MSK 2010 x86_64
GNU/Linux
# dpkg -l | grep linux-image
ii linux-image-2.6-amd64 2.6.26+17+lenny1 Linux
2.6 image on AMD64
ii linux-image-2.6.26-2-amd64 2.6.26-21lenny4 Linux
2.6.26 image on AMD64
I think hosting company rebuilt a kernel and installed their custom one
on my server so that could be the reason of waitpid() fails and a dozen
of segmentation faults, but this thesis should be proven before blaming
them :)
Thanks in advance.
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