Mailinglist Archive: opensuse (1898 mails)

[C <smaug42@xxxxxxxxx>]

I've finally upgraded my main computer to 11.3 w/KDE4 - actually a
clean install of 11.3 in a fresh partition, and a new /home/$USER so
nothing from 11.2 is interfering.  I can still boot to 11.2 as a
comparison.

The problem is... 11.3 is periodically freezing.  The lock or freeze
never lasts more than a few seconds, but its long enough that if I'm
typing an email when it happens, several words won't be entered...
when the lock/freeze happens my system fans go from idle to full power
and I see a CPU spike start in my system monitor - I say start because
the actual spike never gets shown on the graph since the computer is
100% unresponsive during the freeze.

I've rebooted to 11.2 and the symptoms do not show there (using a /
partition on the same drive as the / for 11.3 and a common /home
partition but different $USER), and the computer behaves completely as
it should.

I've checked for things like Nepomuk indexing and other processes that
might be loading up the computer... but cannot find anything.  Nepomuk
is off in the settings, but there always seems to be a Nepomukserver
running.. as well as Akonadi even though I'm not using KMail... I
thought Akonadi was assoicated only with KMail?  Killing Nepomukserver
and Akonadiserver doesn't seen to have much effect (why are they
running in the first place?).

There is nothing I can see in the logs either, but that kind of makes
sense since the computer is totally unresponsive during the 2 to 5
second freeze.... nothing is drawn on screen... keyboard buffer is not
being filled...  it's 100% gone for that period... so nothing seems to
be writtne to the logs..

There is no heartbeat or regular pattern to the freezes either... it
appears to be random.

Changes made since the clean install - full base update, added the
Community repos and added a few extra apps (GStreamer, VLC,
Thunderbird, VirtualBox, Wine, SpiderOak).  I also installed the
latest nVidia driver (which meant I had to set Kernel/No_KMS_IN_INITRD
to yes, and add nomodeset brokenmodules=nouveau to
Bootloader/DEFAULT_APPEND).

I'd suspect hardware, but rebooting to 11.2 and things hum along as
normal (using the same hardware and adjacent / partitions).... so it
appears to be something 11.3 specific... question is.. what?  Whatever
it is, it's making 11.3 virtually unusable for me on this machine
(main server in the house for http, ftp, samba, nfs, ssh, as well as
my main work computer).

Anyone else seeing something like this?  Any ideas where I can look
for the culprit that's causing this?

C.
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