[Mono-list] Problem with 1.2.6
Ben Clewett
ben at roadrunner.uk.com
Fri Dec 28 10:10:00 EST 2007
Madars,
I am on 2.2.4. Well the least I can do is try 2.2.6 and see if the
problem does go away. Thanks for the advise.
Ben
Madars Vitolins wrote:
> Hi Ben,
>
> What apache version you use?
> Actually I had some kind of this error too in the past (but not sure was
> it the same), I upgraded to apache 2.2(.6) and that problem went away.
> (that was before I found that URL I mentioned.).
> Previous apache version was 2.0.x
> BTW
> upgrade to apache 2.2 is more or less painful, if you are using lot of
> modules (I am using gentoo linux)
>
> Madars
>
> On Dec 28, 2007 3:26 PM, Ben Clewett < ben at roadrunner.uk.com
> <mailto:ben at roadrunner.uk.com>> wrote:
>
>
>
> Hi Madars, Marek and others,
>
> URL:
> http://lists.ximian.com/pipermail/mono-list/2007-September/036430.html
>
> Error:
> [crit] (17)File exists: Failed to create shared memory segment for
> backend 'XXGLOBAL'
>
> I have been playing with this problem some more. I think the diagnostic
> in the URL you passed me may be wrong.
>
> There are memory segments owned by root which come and go with Apache.
> I start Apache as root, but it then spawns by the uid.conf:
> User wwwrun
> Group www
> This is unambiguous, should be owned by 'wwwrun' or 'root'? Also, any
> which were not there before start of Apache seem to go after
> termination?
>
> However the other suggestion to re-boot the server makes no difference.
> I get the reported error from a brand new boot. This is therefore
> directly contradictory to the reported error:
>
> # uptime
> 1:22pm up 0:02, 4 users, load average: 0.65, 0.40, 0.16
>
> # ipcs -m
> ------ Shared Memory Segments --------
> key shmid owner perms bytes nattch
> status
>
> # /etc/rc.d/apache2 start
> Starting httpd2 (prefork)
> [Fri Dec 28 13:23:27 2007] [crit] (17)File exists: Failed to create
> shared memory segment for backend 'XXGLOBAL'
>
> Therefore I think this is still outstanding.
>
> This has been a problem for a long time. It forces me to completely
> take a server off-line in order to start it. This is a real pain. (All
> our users loose their sessions and complain like a regiment of old
> ladies, and it takes me an hour to do a job which should take a few
> seconds.) If there is anything I can do to assist the correction of
> this problem, please let me know!
>
> Ben
>
>
> Madars Vitolins wrote:
> > Hi,
> >
> > Check this
> >
> "http://lists.ximian.com/pipermail/mono-list/2007-September/036430.html
> <http://lists.ximian.com/pipermail/mono-list/2007-September/036430.html>"
> > Sound like releated with IPC.
> > "....
> >
> > You have two options at this point:
> >
> > - reboot the server
> > - use the ipcs -m command to list the shared memory segments and
> then ipcrm -m
> > shmid for each of the former apache segments (you can tell which
> belonged to
> >
> > apache by the owner - it will be the user apache runs as). Before
> removing the
> > segments, though, make sure that you stop apache. "
> >
> >
> > May be helps!
> >
> > Thanks,
> > Madars
> >
> > On Dec 21, 2007 11:22 AM, Ben Clewett <ben at roadrunner.uk.com
> <mailto:ben at roadrunner.uk.com>
> > <mailto:ben at roadrunner.uk.com <mailto:ben at roadrunner.uk.com>>> wrote:
> >
> >
> >
> > Dear Mono,
> >
> > I have just upgraded from 1.2.5 to 1.2.6 .
> >
> > The startup problem I was getting on 1.2.5 has now gone:
> >
> > [Tue Sep 25 14:24:20 2007] [crit] Failed to remove dashboard file
> > '/tmp/mod_mono_dashboard_XXGLOBAL_1', further actions
> impossible.
> > Operation not permitted
> >
> > Many thanks! It was driving me mad as I had to take an
> entire server
> > offline to upgrade Mono code.
> >
> > However I now have a new startup problem:
> >
> > [Fri Dec 21 09:18:28 2007] [crit] (17)File exists: Failed to
> create
> > shared memory segment for backend 'XXGLOBAL'
> >
> > This does not cause as many problems, but the mod_mono
> Control Panel
> > does not work all the time.
> >
> > Any ideas???
> >
> > Thanks again,
> >
> > Ben Clewett.
> >
> >
> >
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