On 8/29/2013 4:20 PM, Gerry wrote:
On 08/29/2013 01:36 PM, Lars Noodén wrote:
For the past 4 or 5 days Lubuntu has been freezing up on me at least
twice a day. The symptoms are that everything appears to stop working.
Even the mouse pointer won't move and I cannot switch to a console
(ctrl-alt-f1, etc).
There's usually nothing in the system log at all but this last time I
get a bunch of nulls:
Aug 29 13:17:01 mini2 CRON[3155]: (root) CMD ( cd / && run-parts
--report /etc/cron.hourly)
Aug 29 14:17:02 mini2 CRON[3291]: (root) CMD ( cd / && run-parts
--report /etc/cron.hourly)
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^
@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
The system crashed at 14:22, but there is nothing there in the log until
the (re)boot stage.
I cannot get the system to freeze up on demand nor does it appear to be
connected to any particular application. Yet it has been happening a
few times per day. This is very unusual and I have had no similar
problems previously. How can I gather more data on this the next time
it happens?
Regards,
/Lars
I also have this problem. I switched to Xubu 12.04 LTS to evade the
'the freeze' but since I upgraded to 12.04.3 'the freeze' returns.
If someone with the problem wants to pursue the prospect that this is a
kernel issue, I think the definitive starting point is the procedure at
https://wiki.ubuntu.com/Kernel/KernelBisection
Some of that looks pretty scary, but it seems to be the case that
execution is within the reach of end-users like me. The beauty of it is
that the procedure can be expected to eventually identify the problem
within a small chunk of code, which makes the developers' job of fixing
the problem much easier.
I'm learning how to do this for the first time myself as I continue to
pursue the root of a Flash video display problem that I posted about
recently.
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