yumbackend.py taking up 100% of the CPU

I was one of the people with this issue.

How I fixed it?

# yum remove apper

APPER is the cause of the yumBackend.py process.

Once I removed it, the problem was solved.

Since I don’t use PackageKit I had no problem removing this package. I rather use yumex for yum gui.

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Slow WiFi connection on Fedora 16 with ath9k driver

This issue should be fixed according to Red Hat’s Bugzilla (Bug #698978), but it’s happening to me … so… searching a bit in FedoraForums I found this workaround (and works)

# rmmod ath9k
# modprobe ath9k nohwcrypt=1

Hope this can truly be fixed in next relases.