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Roger 10-23-2011 12:05 AM

Apache2 problem - Ubuntu 11.10
 
I had noticed over past days that calling web pages from localhost seems
to take longer, sometimes around 10-15 seconds or more.
I installed django on Friday but it did not work so uninstalled and
removed residual files.
Now calling localhost or 127.0.0.1 gives blank browser.

/var/log/apache2/error.log reports:
[Sun Oct 23 10:58:46 2011] [notice] child pid 15731 exit signal
Segmentation fault (11)
[Sun Oct 23 10:58:46 2011] [notice] child pid 15732 exit signal
Segmentation fault (11)
[Sun Oct 23 10:58:46 2011] [notice] child pid 15733 exit signal
Segmentation fault (11)

I can access our server pages and google is ok.
No help from google on segmentation fault that I could find.

Can anyone advise me why this happens to localhost, what I should be
aware of and how to fix please.
Thanks in advance
Roger




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Richard Shaw 10-23-2011 12:08 PM

Apache2 problem - Ubuntu 11.10
 
On Sat, Oct 22, 2011 at 7:05 PM, Roger <arelem@bigpond.com> wrote:
>
> I had noticed over past days that calling web pages from localhost seems
> to take longer, sometimes around 10-15 seconds or more.
> I installed django on Friday but it did not work so uninstalled and
> removed residual files.
> Now calling localhost or 127.0.0.1 gives blank browser.
>
> /var/log/apache2/error.log reports:
> [Sun Oct 23 10:58:46 2011] [notice] child pid 15731 exit signal
> Segmentation fault (11)
> [Sun Oct 23 10:58:46 2011] [notice] child pid 15732 exit signal
> Segmentation fault (11)
> [Sun Oct 23 10:58:46 2011] [notice] child pid 15733 exit signal
> Segmentation fault (11)
>
> I can access our server pages and google is ok.
> No help from google on segmentation fault that I could find.
>
> Can anyone advise me why this happens to localhost, what I should be
> aware of and how to fix please.

First,l I wish I could help, but I have no idea what's going on
there... Perhaps you could try to figure out which process is running
on those pid's? I'm not sure how you would do that after they
exited... I would also double check that all residual files are really
gone, or maybe a file was created after install that wasn't removed?

Second, since you're referencing Ubuntu in your subject, perhaps
asking this question on an Ubuntu list or forum would be more
appropriate?

Richard
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Craig White 10-23-2011 12:19 PM

Apache2 problem - Ubuntu 11.10
 
On Sun, 2011-10-23 at 11:05 +1100, Roger wrote:
> I had noticed over past days that calling web pages from localhost seems
> to take longer, sometimes around 10-15 seconds or more.
> I installed django on Friday but it did not work so uninstalled and
> removed residual files.
> Now calling localhost or 127.0.0.1 gives blank browser.
>
> /var/log/apache2/error.log reports:
> [Sun Oct 23 10:58:46 2011] [notice] child pid 15731 exit signal
> Segmentation fault (11)
> [Sun Oct 23 10:58:46 2011] [notice] child pid 15732 exit signal
> Segmentation fault (11)
> [Sun Oct 23 10:58:46 2011] [notice] child pid 15733 exit signal
> Segmentation fault (11)
>
> I can access our server pages and google is ok.
> No help from google on segmentation fault that I could find.
>
> Can anyone advise me why this happens to localhost, what I should be
> aware of and how to fix please.
> Thanks in advance
> Roger
----
considering that this is Fedora Users List, your question seems quite
out of place.

You might actually want to attach an strace to the PID of your running
apache to see what is happening (ie, the error) but I would guess that
you should probably remove/re-install apache2 on your Ubuntu server.

Craig


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Reindl Harald 10-23-2011 12:34 PM

Apache2 problem - Ubuntu 11.10
 
Am 23.10.2011 14:19, schrieb Craig White:
> considering that this is Fedora Users List, your question seems quite
> out of place.

that is true

> You might actually want to attach an strace to the PID of your running
> apache to see what is happening (ie, the error) but I would guess that
> you should probably remove/re-install apache2 on your Ubuntu server

it would be the frist time taht reinstall a package on a system with
a package-managment would change anything - this is not windows

reinstall does never touch configurations and most mistakes leading
to crahses are wrong configurations with third-party modules and these
are also not touched be reinstall the main-package



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Roger 10-23-2011 11:43 PM

Apache2 problem - Ubuntu 11.10
 
<snip>
>> I had noticed over past days that calling web pages from localhost seems
>> to take longer, sometimes around 10-15 seconds or more.
>> I installed django on Friday but it did not work so uninstalled and
>> removed residual files.
>> Now calling localhost or 127.0.0.1 gives blank browser.
>>
>>
>> </snip>
> ----
> considering that this is Fedora Users List, your question seems quite
> out of place.
>
> You might actually want to attach an strace to the PID of your running
> apache to see what is happening (ie, the error) but I would guess that
> you should probably remove/re-install apache2 on your Ubuntu server.
>
> Craig
>
> Thanks Craig and Richard
I think I may have found the answer.
Django put changes in www-data, links and files were created to files in
/usr/share, /usr/bin and /var.
I deleted the links then deleted the extra www-data files and wsgi and
found all hidden references to django and methodically removed every one.
Then ran apt-get autoremove and apt-ge autoclean and apt-get update to
rebuild the sources.list.
localhost now calls the drupal files and my test index.html in /var/www
so all is well - almost.

I need to work out the difference between calling 127.0.0.1 giving
instant display yet calling a drupal page suffers a delayed response.
It seems to be a ubuntu/apache2 thing because fedora 14/httpd is much
faster.
Thank you for your replies
Roger

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