[Samba] Samba4 high cpu load
steve at steve-ss.com
Mon Apr 30 08:04:37 MDT 2012
On 05/04/12 00:55, Günter Kukkukk wrote:
> On Wednesday 04 April 2012 15:33:46 steve wrote:
>> OpenSUSE 12.1
>> Version 4.0.0alpha19-GIT-7290a62
>> Upon starting, s4 burns the CPU for around 5 minutes:
>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
>> 3672 root 20 0 72780 20m 2388 R 95.4 1.1 0:36.84 samba
>> After which all is well. Maybe this is just openSUSE as on Ubuntu it's
>> less than 5 minutes (but still there).
>> Any ideas?
> when i had upgraded to opensuse 12.1 some months ago, i also noticed a
> 3 to 5 minutes hang with high CPU usage when samba4 was starting.
> S4 was started interactively with some debug info as
> ./sbin/samba -i -M single -d3
> and before the hang a strange message
> "WARNING! no socket to connect to"
> was displayed.
> Running s4 inside gdb showed the hang during startup of the internal ldap service.
> The CPU was "hard working" inside "the GNU Multiple Precision Arithmetic Library"
> Further investigation showed that pkcs11 was using the gnome-keyring module
> This module was also displaying the strange string "WARNING! no socket to connect to"
> (see also /etc/pkcs11/modules/* )
> Btw - i'm running KDE here.
> I de-installed gnome-keyring and most pkcs11 related stuff - and the s4 hang
> was gone! :-)
> It already took me a lot of time those days - so i did no further investigations ...
> Possibly it's enough to only de-install gnome-keyring.
> It should be noted, that samba4 is still inside its startup sequence when that hang occurs,
> not all modules have been initialized, so s4 is not able to operate properly at all during
> that (3 - 5 minutes) hang state!
> Cheers, Günter
Sorry to open this one up again but the problem with startup times on
The startup is now over 5 minutes. I have removed gnome keyring and the
The delay is the same interactive or not. can anyone point me in the
right direction to trace this?
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