SOLVED cPanel 68 - Maintenance ended, however it did not exit cleanly

jndawson · Oct 18, 2017

Updating to v.68.0.2 and v.68.0.4 results all of our servers getting this email:

Code:

The cPanel & WHM update process failed for the following reason:


Maintenance ended; however, it did not exit cleanly (256). Review the update logs to determine why the update failed.



Update log preview:
[2017-10-17 03:07:58 -0700] [/usr/local/cpanel/scripts/migrate_local_ini_to_php_ini] No local.ini.
[2017-10-17 03:07:58 -0700] [/usr/local/cpanel/scripts/migrate_local_ini_to_php_ini] … done!
[2017-10-17 03:07:58 -0700] [/usr/local/cpanel/scripts/migrate_local_ini_to_php_ini] Processing ea-php70 …
[2017-10-17 03:07:58 -0700] [/usr/local/cpanel/scripts/migrate_local_ini_to_php_ini] No local.ini.
[2017-10-17 03:07:58 -0700] [/usr/local/cpanel/scripts/migrate_local_ini_to_php_ini] … done!
[2017-10-17 03:07:58 -0700] - Finished command `/usr/local/cpanel/scripts/migrate_local_ini_to_php_ini --run --verbose` in 0.744 seconds
[2017-10-17 03:07:58 -0700] 92% complete
[2017-10-17 03:07:58 -0700] - Finished in 0.066 seconds
[2017-10-17 03:07:58 -0700] Processing: Ensuring an "Active" MySQL profile is set
[2017-10-17 03:07:58 -0700] - Processing command `/usr/local/cpanel/scripts/check_mysql`
[2017-10-17 03:07:58 -0700] [/usr/local/cpanel/scripts/check_mysql] “check_mysql” will complete in the background (process ID 28813).
[2017-10-17 03:07:58 -0700] - Finished command `/usr/local/cpanel/scripts/check_mysql` in 0.123 seconds
[2017-10-17 03:07:58 -0700] 93% complete
[2017-10-17 03:07:58 -0700] Processing: Checking CloudLinux installation
[2017-10-17 03:07:58 -0700] - Processing command `/usr/local/cpanel/bin/cloudlinux_update`
[2017-10-17 03:07:58 -0700] - Finished command `/usr/local/cpanel/bin/cloudlinux_update` in 0.064 seconds
[2017-10-17 03:07:58 -0700] Processing: Updating plugins data cache
[2017-10-17 03:07:58 -0700] - Processing command `/usr/local/cpanel/bin/refresh_plugin_cache`
[2017-10-17 03:07:58 -0700] - Finished command `/usr/local/cpanel/bin/refresh_plugin_cache` in 0.379 seconds
[2017-10-17 03:07:58 -0700] 94% complete
[2017-10-17 03:07:58 -0700] 95% complete
=> Log closed Tue Oct 17 03:07:58 2017
----------------------------------------------------------------------------------------------------
=> Log opened from cPanel Update (upcp) - Slave (18337) at Tue Oct 17 03:07:58 2017
[2017-10-17 03:07:58 -0700] E Post Maintenance ended, however it did not exit cleanly (256). Please check the logs for an indication of what happened

What is causing this? There is no indication that something isn't working.
To which log is the last line referring? We've done massive searches and can't find anywhere it appears.

ElviCities · Oct 18, 2017

Same.... The only error in my update log is the following (note the "E" flag - an easy way to find errors in the log):

Code:

[2017-10-18 20:32:02 -0500]   Processing: Restarting any outdated services
[2017-10-18 20:32:02 -0500]    - Processing command `/usr/local/cpanel/scripts/find_outdated_services --always-restart`
[2017-10-18 20:32:02 -0500]      [/usr/local/cpanel/scripts/find_outdated_services] Looking for outdated services …
[2017-10-18 20:32:02 -0500] E    [/usr/local/cpanel/scripts/find_outdated_services] The “/usr/local/cpanel/scripts/find_outdated_services” command (process 2838) reported error number 255 when it ended.
[2017-10-18 20:32:02 -0500]   The Administrator will be notified to review this output when this script completes
[2017-10-18 20:32:02 -0500]    - Finished command `/usr/local/cpanel/scripts/find_outdated_services --always-restart` in 0.131 seconds

And then, like you, this being reported at the end:

Code:

[2017-10-18 20:32:49 -0500] E Post Maintenance ended, however it did not exit cleanly (256). Please check the logs for an indication of what happened

However, this does not seem to have any ill effects. Perhaps the cPanel folks have some more insight.

cPWilliamL · Oct 19, 2017

Hi @jndawson

As ElviCities pointed out, could you check the related log file for the 'E' tag? This can be done as below:
Code:
# awk '$4=="E"' /var/cpanel/updatelogs/update.XXXXXX.log
@ElviCities, The `/scripts/find_outdated_services' script checks for processes/services whose RPM's have been updated, but the service has not been restarted. If you run this script manually, do you see any errors or output?

Thanks,

Agics · Oct 20, 2017

I receive the same error. Rebuilding the RPM database works. If I do an update after that no errors occur, however in the next scheduled update run the error is back.
The problem started with an upgrade to 68

ElviCities · Oct 22, 2017

cPWilliamL said: ↑
Hi @jndawson

As ElviCities pointed out, could you check the related log file for the 'E' tag? This can be done as below:
Code:
# awk '$4=="E"' /var/cpanel/updatelogs/update.XXXXXX.log
@ElviCities, The `/scripts/find_outdated_services' script checks for processes/services whose RPM's have been updated, but the service has not been restarted. If you run this script manually, do you see any errors or output?

Thanks,
Click to expand...
Sorry for the delay in responding. Indeed, running the script manually spits out the following error:
Code:
Looking for outdated services …
Cpanel::Exception::Unsupported/(XID jyqtz9) The kernel does not support smaps.
 at /usr/local/cpanel/Cpanel/Exception/CORE.pm line 336.
        Cpanel::Exception::create("Unsupported", "The kernel does not support [asis,smaps].") called at /usr/local/cpanel/Cpanel/Exception.pm line 46
        Cpanel::Exception::__ANON__(__CPANEL_HIDDEN__, __CPANEL_HIDDEN__) called at /usr/local/cpanel/Cpanel/ProcessCheck/Outdated.pm line 64
        Cpanel::ProcessCheck::Outdated::_get_exec() called at /usr/local/cpanel/Cpanel/ProcessCheck/Outdated.pm line 103
        Cpanel::ProcessCheck::Outdated::outdated_services() called at /scripts/find_outdated_services line 63
        scripts::find_outdated_services::run(scripts::find_outdated_services=HASH(0x1e3aa48)) called at /scripts/find_outdated_services line 54
Interesting that there is a kernel related error, as nothing on that end has changed.

Giordano Vicari · Oct 24, 2017

I've the same error. How can i solve this problem?
Thank you for your reply

cPWilliamL · Oct 24, 2017

The kernel does not support smaps
Click to expand...

It seems that a custom kernel is installed, which blocks this. Is grsecurity in use?

Russ Friesen · Oct 25, 2017

I am also having this message. Running /scripts/find_outdated_services also has same error.
Yes this is a grs kernel (3.14.32-xxxx-grs-ipv6-64 #7 SMP)

Code:

Cpanel::Exception::Unsupported/(XID gfbksf) The kernel does not support smaps.
 at /usr/local/cpanel/Cpanel/Exception/CORE.pm line 336.
        Cpanel::Exception::create("Unsupported", "The kernel does not support [asis,smaps].") called at /usr/local/cpanel/Cpanel/Exception.pm line 46
        Cpanel::Exception::__ANON__(__CPANEL_HIDDEN__, __CPANEL_HIDDEN__) called at /usr/local/cpanel/Cpanel/ProcessCheck/Outdated.pm line 64
        Cpanel::ProcessCheck::Outdated::_get_exec() called at /usr/local/cpanel/Cpanel/ProcessCheck/Outdated.pm line 72
        Cpanel::ProcessCheck::Outdated::eek:utdated_processes() called at /usr/local/cpanel/Cpanel/ProcessCheck/Outdated.pm line 173
        Cpanel::ProcessCheck::Outdated::_outdated_services_for_centos6() called at /usr/local/cpanel/Cpanel/ProcessCheck/Outdated.pm line 100
        Cpanel::ProcessCheck::Outdated::eek:utdated_services() called at /scripts/find_outdated_services line 63
        scripts::find_outdated_services::run(scripts::find_outdated_services=HASH(0x10876a8)) called at /scripts/find_outdated_services line 54

ElviCities · Oct 26, 2017

Hi, yes grsec is in use. Always has been, though. Not sure what has changed on cpanel's end to start causing this.

cPanelMichael · Oct 26, 2017

Hello,

I've opened internal case CPANEL-16624 to report the upcp failure notifications in cPanel 68 when the grsec kernel is installed. I'll monitor this case and update this thread with more information as it becomes available.

Thank you.

jndawson · Oct 26, 2017

Follow up:

The 'E' was the clue. We discovered that although each server had the same error, the 'E' line in the log provided different reason for the error. One was a quota issue, another missing vm-tools, etc. Seemed to track down to rpms not getting updated in order, or something.

Fix was to update rpm database and run upcp --force. Needed to do it twice on at least 2 servers. After that, no further issues.

Agics · Oct 27, 2017

Yup, error is different for me as well. RPM solved it for once and the problem came back. I am going to do your suggestion now. update rpm database and run upcp --force twice.

cPanelMichael · Oct 31, 2017

Hello,

To update, the resolution for internal case CPANEL-16624 is included in cPanel 68.0.9:

Fixed case CPANEL-16624: Find_outdated_services: handle grsec kernel more gracefully.

Thank you.

ElviCities · Nov 1, 2017

Fantastic!
As stated above, the issue has been completely resolved - in my case. Thanks!

uk01 · Nov 1, 2017

Hi incase like me anyone else is searching for "E Post Maintenance ended, however it did not exit cleanly (256)" with the v68 upgrade.

I also got the error but mine was shown with the E flag

[2017-11-01 19:47:24 +0000] E [/usr/local/cpanel/scripts/quotacheck] The “/usr/local/cpanel/scripts/quotacheck” command (process 3461) reported error number 255 when it ended.

I had to increase a users quota, then force the update again, then put the quota back down. Luckily only on one server, but we shouldn't have to do this. Some users keep hitting the quota and won't upgrade so they leave it full.

russ@gfx · Nov 1, 2017

In my case, there was an error from the smartcheck command due to there not being an /etc/fstab file, which is normal for a VPS.
So it could be ignored.

Here was the issue:

========================
[2017-11-01 13:02:19 -0700] - Processing command `/usr/local/cpanel/scripts/smartcheck`
[2017-11-01 13:02:20 -0700] E [/usr/local/cpanel/scripts/smartcheck] The â€œ/usr/local/cpanel/scripts/smartcheckâ€ command (process 16541) reported error number 2 when it ended.
[2017-11-01 13:02:20 -0700] The Administrator will be notified to review this output when this script completes
========================

The smartcheck script failed because there is no /etc/fstab file:

========================
[13:28:35] [8995931] [~]$ stat /etc/fstab
stat: cannot stat â€˜/etc/fstabâ€™: No such file or directory
========================

cPanelMichael · Nov 2, 2017

uk01 said: ↑

I also got the error but mine was shown with the E flag

[2017-11-01 19:47:24 +0000] E [/usr/local/cpanel/scripts/quotacheck] The “/usr/local/cpanel/scripts/quotacheck” command (process 3461) reported error number 255 when it ended.

I had to increase a users quota, then force the update again, then put the quota back down. Luckily only on one server, but we shouldn't have to do this. Some users keep hitting the quota and won't upgrade so they leave it full.
Click to expand...

Hi @uk01,

I've moved this to a separate thread:

upcp failure notification - quotacheck

russ@gfx said: ↑

In my case, there was an error from the smartcheck command due to there not being an /etc/fstab file
Click to expand...

Hi @russ@gfx,

We actually have a separate thread and internal case open for that issue at:

upcp failure - smartcheck

I'll update that thread as soon as a resolution is published.

Thanks!

Bdzzld · Nov 7, 2017

@cPanelMichael:

I've the same problem since the upgrade to version 68 yesterday:
Code:
E Pre Maintenance ended, however it did not exit cleanly (256). Please check the logs for an indication of what happened
However:

We're not running a special or customized kernel. Just the standard CentOS one.

Running /scripts/find_outdated_services did not find any outdated services.

Please advise.

cPanelMichael · Nov 7, 2017

Hello,

I've moved this post to a separate thread. Please let us know the output from the following command:
Code:
awk '$4=="E"' /var/cpanel/updatelogs/update.XXXXXX.log
Replace "update.XXXXXX.log" with the name of the most recent log file in the /var/cpanel/updatelogs/ directory.

Thank you.

Bdzzld · Nov 8, 2017

@cPanelMichael:

It shows the following:

Code:

[2017-11-08 05:02:46 +0100] E    [/usr/local/cpanel/scripts/quotacheck] The â/usr/local/cpanel/scripts/quotacheckâ
                                  [2017-11-08 05:03:32 +0100] E Pre Maintenance ended, however it did not exit cleanly (256). Please check the logs for an indication of what happened

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SOLVED cPanel 68 - Maintenance ended, however it did not exit cleanly

jndawson Well-Known Member

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SOLVED cPanel 68 - Maintenance ended, however it did not exit cleanly

jndawson Well-Known Member

ElviCities Member

cPWilliamL cP Technical Analyst II Staff Member

Agics Member

ElviCities Member

Giordano Vicari Registered

cPWilliamL cP Technical Analyst II Staff Member

Russ Friesen Registered

ElviCities Member

cPanelMichael Forums Analyst Staff Member

jndawson Well-Known Member

Agics Member

cPanelMichael Forums Analyst Staff Member

ElviCities Member

uk01 Well-Known Member

russ@gfx Registered

cPanelMichael Forums Analyst Staff Member

Bdzzld Well-Known Member

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Bdzzld Well-Known Member

Tweaking cPanel Servers for maintenance cronjob times

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Error with cpanel_dovecot_solr_maintenance cron

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