Comment 9 for bug 1555671

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Joseph Salisbury (jsalisbury) wrote :

Yes, the bug could have been introduced by an Ubuntu SAUCE patch. Testing the upstream kernels will tell us whether that is the case. Can you next the upstream v4.4.2 kernel? That is the upstream kernel Ubuntu 4.4.0-7-generic is based off of. If it does have the bug, then we know the bug was fixed in 4.5-rc1 and we need to perform a "Reverse" bisect. If it does not have the but, then that indicates an Ubuntu SAUCE patch introduced the bug, and we would want to perform a normal kernel bisect.

The v4.4.2 kernel can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.2-wily/