see fedora bug for kernel version delta: https://bugzilla.redhat.com/show_bug.cgi?id=1089763
Does reverting 379dfc25e257ffe10eb53b86d2375f7c0f4f33ef help? If not, can you bisect? Please attach your dmesg output.
Created attachment 97722 [details] [review] fix That attached patch should fix it.
fixed in 3.15.0-0.rc2.git2.1.fc21.x86_64
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