[rt-users] Regarding Apache server failure

bharath reddy vangoor.bharath at gmail.com
Thu Oct 8 10:21:56 EDT 2015


Hi Matt,

Thanks for replying back, here are the details :

Distro :
root at devrt:~# cat /etc/os-release
NAME="Ubuntu"
VERSION="12.04.3 LTS, Precise Pangolin"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu precise (12.04.3 LTS)"
VERSION_ID="12.04"

cd /var/log
ls -lrt (I'm showing only latest)
-rw-r----- 1 syslog    adm      124 Oct  8 09:58 kern.log
-rw-r----- 1 root      adm      529 Oct  8 09:58 apport.log
-rw-r----- 1 syslog    adm     3086 Oct  8 10:00 syslog
-rw-r----- 1 syslog    adm   113879 Oct  8 10:00 auth.log

root at devrt:/var/log# cat kern.log
Oct  8 09:58:10 devrt kernel: [3001033.121438] /usr/sbin/apach[5529]:
segfault at b54d9f80 ip b54d9f80 sp bfc702dc error 14

root at devrt:/var/log# cat apport.log
ERROR: apport (pid 5532) Thu Oct  8 09:58:11 2015: called for pid 5529,
signal 11
ERROR: apport (pid 5532) Thu Oct  8 09:58:11 2015: executable:
/usr/lib/apache2/mpm-prefork/apache2 (command line "/usr/sbin/apache2 -k
start")
ERROR: apport (pid 5532) Thu Oct  8 09:58:11 2015: is_closing_session(): no
DBUS_SESSION_BUS_ADDRESS in environment
ERROR: apport (pid 5532) Thu Oct  8 09:58:11 2015: apport: report
/var/crash/_usr_lib_apache2_mpm-prefork_apache2.0.crash already exists and
unseen, doing nothing to avoid disk usage DoS

root at devrt:/var/log# cat syslog
Oct  8 09:58:10 devrt kernel: [3001033.121438] /usr/sbin/apach[5529]:
segfault at b54d9f80 ip b54d9f80 sp bfc702dc error 14
Oct  8 10:00:01 devrt CRON[5582]: (smmsp) CMD (test -x /etc/init.d/sendmail
&& /usr/share/sendmail/sendmail cron-msp)

cd /var/log/apache2
ls -lrt

last updated file under this directory is on oct 6th
rw-r--r-- 1 root root      0 Oct  6 15:33 error.log

Is there any way I can enable more debug messages through apache ?

Thanks,
Bharath.





















On Tue, Oct 6, 2015 at 4:16 PM, Matt Zagrabelny <mzagrabe at d.umn.edu> wrote:

> On Tue, Oct 6, 2015 at 3:09 PM, bharath reddy <vangoor.bharath at gmail.com>
> wrote:
> > Dear All,
> >
> > I'm trying to configure RT to communicate with my LDAP, for which I
> followed
> > this link : https://metacpan.org/pod/RT::Authen::ExternalAuth . After
> making
> > the required changes, when I restarted my apache server it is failing
> with
> > following error :
> >
> > root at devrt:/rt/etc# /etc/init.d/apache2 start
> >  * Starting web server apache2
> > Segmentation fault (core dumped)
> > Action 'start' failed.
> > The Apache error log may have more information.
> >    ...fail!
> >
> > There is no important messages in log files:
> >
> > root at devrt:/rt/etc# cat /var/log/apache2/error.log
> > [Tue Oct 06 15:13:41 2015] [info] Init: Seeding PRNG with 648 bytes of
> > entropy
> > [Tue Oct 06 15:13:41 2015] [info] Loading certificate & private key of
> > SSL-aware server
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_pphrase.c(470): unencrypted
> > RSA private key - pass phrase not required
> > [Tue Oct 06 15:13:41 2015] [info] Init: Initializing (virtual) servers
> for
> > SSL
> > [Tue Oct 06 15:13:41 2015] [info] Configuring server for SSL protocol
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(367): Creating new
> SSL
> > context (protocols: TLSv1, TLSv1.1, TLSv1.2)
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(541): Configuring
> > client authentication
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(1218): CA
> certificate:
> > /C=SE/O=AddTrust AB/OU=AddTrust External TTP Network/CN=AddTrust
> External CA
> > Root
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(1218): CA
> certificate:
> > /C=US/O=Internet2/OU=InCommon/CN=InCommon Server CA
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(608): Configuring
> > permitted SSL ciphers [!aNULL:!eNULL:!EXP:HIGH:MEDIUM:!ADH:!MD5]
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(316): Configuring
> TLS
> > extension handling
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(739): Configuring
> RSA
> > server certificate
> > [Tue Oct 06 15:13:41 2015] [debug] ssl_engine_init.c(785): Configuring
> RSA
> > server private key
> > [Tue Oct 06 15:13:41 2015] [info] mod_ssl/2.2.22 compiled against Server:
> > Apache/2.2.22, Library: OpenSSL/1.0.1
>
> What distro are you using?
>
> To see the most recently written to log files, try:
>
> cd /var/log
> ls -lrt
>
> and
>
> cd /var/log/apache2
> ls -lrt
>
> -m
>
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