Apache fails to start

LawsHosting

LawsHosting

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Joined
Sep 13, 2008
Messages
2,398
Location
London UK
Own a little VPS for personal stuff, woke up to find Apache down:
Code: 
systemd[1]: httpd.service: Main process exited, code=killed, status=11/SEGV
kill[2211]: kill: failed to parse argument: '': No such file or directory
systemd[1]: httpd.service: Control process exited, code=exited status=1
systemd[1]: httpd.service: Unit entered failed state.
systemd[1]: httpd.service: Failed with result 'signal'.
Even after a reboot, rebuild apache, rebuild confs..... Still same outcome...

I have free disk space
Code: 
/dev/sda1        79G   15G   61G  20% /

Code: 
#ipcs -s
------ Semaphore Arrays --------
key        semid      owner      perms      nsems
0x00000000 0          zabbix     600        14


I'm really thinking of quitting the hosting industry.
 
floyd said:
What does the apache error log say?
Click to expand...
Nothing at all, well, the normal warnings about the ssl for localhost, shared[.]domains, etc, and
Code: 
[lbmethod_heartbeat:notice] [pid 6120:tid 139843505745856] AH02282: No slotmem from mod_heartmonitor
 
journalctl -xe gives
Code: 
 kernel: httpd[8469]: segfault at 0 ip 00007fe72255a53a sp 00007ffc5881f538 error 4 in libc-2.24.so[7fe7224cb000+195000]
 
Spent nearly all day trying to sort this........

Did a backtrace
(gdb) run -X -d /etc/httpd
Code: 
Starting program: /usr/sbin/httpd -X -d /etc/httpd
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff61fd53a in ?? () from /lib/x86_64-linux-gnu/libc.so.6
I would reinstall libc, but it might turn out worse....
 
Last edited:
The segfault has me concerned. Its like something incompatible got installed. I think libc is installed by custombuild. I have seen things like this happen when the DA license does not match the OS. But I am at a loss as to what else it could be if you have not made any changes.
 
I always use the cron to get notified if there's custombuild upgrades then upgrade....... and I always run system (apt/yum) upgrades manually.
 
Is mod_php set as PHP mode? If yes, may you try PHP-FPM? To make sure it's not the PHP module making Apache segfault.
 
Peter Laws said:
thinking of quitting the hosting industry.
Click to expand...
nah you're hanging in there..

DId you save all your data yet? I would do that.

Then when is the last time you ran a full ./build all

Seems to be pointing to something in Apache or PHP. Have you ./build those yet?
 
Maybe you have some 3rd party modules loaded in apache? To have less outage, until you find a fix, you may switch to another webserver.
 
I just do not understand what would go wrong when I have not touched anything....... Well, I did use apt-get to update the system, that's all I've done recently.....
 
In the amount of time you have tried to fix it you could have rebuilt it. If it were me I would backup everything and rebuild it.
 
I've decided to approach @smtalk 's company for assistance........ Yes, I could start fresh, but that'll be my last choice.... and I do not personally feel too well.
 
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