On Tue, Nov 4, 2008 at 7:10 PM, Ariel Mauricio Nunez Gomez < [EMAIL PROTECTED]> wrote:
> On Tue, Nov 4, 2008 at 7:00 PM, Graham Dumpleton < > [EMAIL PROTECTED]> wrote: > >> >> 2008/11/5 Ariel <[EMAIL PROTECTED]>: >> > >> > >> > >> > > I am using mod_wsgi for deployment but recently my apache >> > installation on >> > > ubuntu 8.04 just locks after any start, stop or reload commands. >> > > >> > > I uninstalled it, wiped configuration settings, uninstallled >> > mod_python that >> > > was installed just before it did not respond anymore. >> > >> > It is a known problem that loading mod_python and mod_wsgi at the >> > same >> > time causes problems if Python not installed with a usable shared >> > library. >> > >> > http://code.google.com/p/modwsgi/wiki/InstallationIssues >> > >> > > Is there any other server I can install that works with modwsgi? >> > (I am using >> > > trac and django on the same server configured via mod_wsgi) >> > >> > You mean other than Apache? >> > >> > It seems you haven't explored properly yet why you were having the >> > problems you were. >> > >> > Graham >> > ----- >> > >> > Yeah, I really don't know what to do next, I already disabled >> > mod_python. >> > >> > And tried rebooting my server but even though it says it is going for >> > reboot it does not do so. (It is an Amazon EC2 instance so I am kind >> > of afraid of terminating the instance, although I already made a >> > backup of the most important stuff) >> > >> > Any advice on how to debug this? I checked apache logs but nothing >> > there. >> >> When you say 'rebooting my server', do you mean just Apache or the >> whole system? I don't know how Amazon EC2 works. >> >> If you mean just Apache, do be aware that when removing mod_python, >> generally necessary to do a full 'stop' of Apache. It isn't always >> enough to do an equivalent of 'apachectl restart' because mod_python >> doesn't cleanup properly and tends no to unload correctly on a restart >> where Apache parent process persists. Therefore causes issues for >> mod_wsgi on the restart even though mod_python technically now >> disabled. >> >> If you have a site you can point me to which explains how Amazon EC2 >> is set up, or if you or anyone else can explain what it really is, >> ie., VPS, shared system of some sort, whether you have shell access >> etc, that may help. > > Amazon EC2 is a VPS, but the instance does not have persistent storage, > instead it is always loaded from an image (called AMI), that image is > usually stored in S3. I did one snapshot after I finished configuring my > server, but that was 4 months ago and I am afraid I (may) not have > everything backed up. (Trac repos, mercurial repos, django database > records). > I have full ssh access and root account. > > >> Anything from the Apache error log files would >> also help, particularly the startup message which lists what modules >> are loaded. >> >> Has anyone else here got experience with Amazon EC2 with or without >> mod_wsgi? >> >> Graham >> >> > Well, I did '/etc/init.d/apache2 stop' with no luck, then I just ps -A | > grep apache and killed everything. > After that a '/etc/init.d/apache2 start' just hangs with no error on apache > logs. > > I check system messages and it turns out:* > [EMAIL PROTECTED]:/var/log/apache2# tail -f /var/log/messages > *Nov 4 23:59:47 pinax kernel: 4gb seg fixup, process bash (pid 23795), > cs:ip 73:0016b817 > Nov 4 23:59:48 pinax kernel: printk: 2 messages suppressed. > Nov 4 23:59:48 pinax kernel: 4gb seg fixup, process sshd (pid 23767), > cs:ip 73:0047cc6c > Nov 4 23:59:54 pinax kernel: printk: 109 messages suppressed. > > Maybe it is directly related to Amazon machines: > > http://groups.google.com/group/ec2ubuntu/browse_thread/thread/a145b228d83c0b71 > > I followed the instructions here and apache started running again :) http://ericmason.net/2008/09/amazon-ec2-and-4gb-seg-fixup/ I do not know what really happened, but it was triggered by mod_python and my machine crashed horrible not even letting me restart it (via shutdown -r now) Thanks Graham anyway for your support. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "modwsgi" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/modwsgi?hl=en -~----------~----~----~----~------~----~------~--~---
