Anything interesting from:
egrep 'EE|WW' /var/log/Xorg.*
Pat
On 09/18/2015 09:33 AM, Valentin B wrote:
> Hello Pat and Armando,
>
> Thank you very much for your great explanation. Based on your writing,
> it seems there is no reason to switch. I therefore would like to take
> the opportunity to explain the following.
>
> Since SL7 has implemented systemd init system, we are having a few
> issues with the migration process. The problems arose with the
> migration to SL7.1 which won't boot to GDM. These issues were not
> present on SL7.0.
>
> Looking at the logs e.g journalctl -b | grep gdm results into the
> following:
>
> Sep 18 15:38:07 fallows.intra.astro.rug.nl gdm[1023]: Child process
> 2117 was already dead.
>
> Sep 18 15:38:07 fallows.intra.astro.rug.nl gdm[1023]: GdmDisplay:
> display lasted 0.057283 seconds
>
> Sep 18 15:38:07 fallows.intra.astro.rug.nl dbus-daemon[723]:
> dbus[723]: [system] Rejected send message, 1 matched rules;
> type="method_call", sender=":1.17" (uid=0 pid=1023 comm="/usr/sbin/gdm
> ") interface="org.freedesktop.DBus.Properties" member="GetAll" error
> name="(unset)" requested_reply="0" destination=":1.23" (uid=0 pid=2118
> comm="/usr/libexec/gdm-simple-slave --display-id /org/gn")
>
> Sep 18 15:38:07 fallows.intra.astro.rug.nl dbus[723]: [system]
> Rejected send message, 1 matched rules; type="method_call",
> sender=":1.17" (uid=0 pid=1023 comm="/usr/sbin/gdm ")
> interface="org.freedesktop.DBus.Properties" member="GetAll" error
> name="(unset)" requested_reply="0" destination=":1.23" (uid=0 pid=2118
> comm="/usr/libexec/gdm-simple-slave --display-id /org/gn")
>
> Sep 18 15:38:07 fallows.intra.astro.rug.nl gdm[1023]: Child process
> 2123 was already dead.
>
> Sep 18 15:38:07 fallows.intra.astro.rug.nl gdm[1023]: GdmDisplay:
> display lasted 0.056510 seconds
>
> Sep 18 15:38:07 fallows.intra.astro.rug.nl gdm[1023]:
> GdmLocalDisplayFactory: maximum number of X display failures reached:
> check X server log for errors
>
>
> I've done a lot of googling and stumbled upon a few bug reports
> regarding this issue. Is this a known problem? Is there a fix?
>
> Thanks again for your time!
>
>
> Kind regards,
> Valentin
>
> On 09/18/2015 04:19 PM, Pat Riehecky wrote:
>> Hello,
>>
>> Thanks for your interest in Scientific Linux. Fermilab continues to
>> be the primary sponsor of Scientific Linux, with some assistance from
>> DESY and ETHZ (OpenAFS and Live Media).
>>
>> We plan to continue development of SL. While the future is hard to
>> predict, there are currently no indications that will change. The
>> Fermilab computing infrastructure relies on SL.
>>
>> In terms of moving from 6 to 7, we recommend a complete
>> re-install[1]. As a whole the OS feels very different. There is a
>> lot to like about this new release, and a lot that is very very
>> different. Whatever your plans, I strongly recommend reading the
>> Upstream Release Notes (a link is present within the SL notes)[2]. I
>> would encourage a review of the SL release notes
>>
>> We are still planning a customization framework for local contexts -
>> like Sites and Spins from SL5 and SL6 with less overhead, but that
>> work is still pending. An easy customization framework may be useful
>> for Kapteyn.
>>
>> I hope this information is helpful,
>>
>> Pat
>>
>> [1]
>> http://ftp.scientificlinux.org/linux/scientific/7/x86_64/release-notes/#_upgrading_from_sl_6
>> [2]
>> http://ftp.scientificlinux.org/linux/scientific/7/x86_64/release-notes/#_the_upstream_vendor_8217_s_release_notes
>>
>> On 09/18/2015 07:00 AM, Valentin B wrote:
>>> Hi,
>>>
>>> In our faculty (Kapteyn astronomical institute) we are using
>>> Scientific Linux 6 on our servers and client machines. Recently, we've
>>> considered to migrate to Scientific Linux 7 but are not sure if this
>>> is the right move to make. CentOS7 is also a potential consideration
>>> but we cannot confirm if this is the right way either.
>>>
>>> Is Fermilab and CERN still involved in the development and maintenance
>>> of Scientific Linux and for how long? Should we still choose to use
>>> SL6 and migrate to SL7 or would we better be off using CentOS? What
>>> potential problems could we be facing migrating to SL7? Can one of
>>> you shed some light on this?
>>>
>>> Thanks in advance!
>>>
>>
>
--
Pat Riehecky
Scientific Linux developer
Fermi National Accelerator Laboratory
www.fnal.gov
www.scientificlinux.org
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