Mailinglist Archive: opensuse-bugs (2746 mails)

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[Bug 807513] gpk-update-viewer uses CPU but never completes

https://bugzilla.novell.com/show_bug.cgi?id=807513

https://bugzilla.novell.com/show_bug.cgi?id=807513#c11


--- Comment #11 from Jean Delvare <jdelvare@xxxxxxxx> 2013-06-21 07:40:08 UTC
---
Additional information, which I think is valuable for reproducing the issue...

Today I have checked the CPU usage with "top" on a 12.3 machine where the
problem supposedly never happens. I noticed that gpk-update-viewer used about
50% of one logical CPU, while the actual update was using 100% of another
logical CPU. This is a powerful machine, so from a usability perspective
everything was fine.

The machine I mentioned in comment #10 where the problem always happens, is an
old laptop, with single logical CPU (single core and no hyper-threading). If
refreshing the graphical interface has higher priority than doing the actual
update, that would explain why on that machine the update never completes.

So I suspect that the bug is happening on a lot more machines than we thought,
but on most of them its effect goes unnoticed.

If anyone wants to reproduce this bug, I suggest doing so on a machine with a
single logical CPU (either a virtual machine, or a physical machine booted with
maxcpus=1.)

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