Maciej Puzio, the next step is to fully reverse commit bisect the kernel in order to identify the offending commit. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F ?
** Tags removed: needs-bisect ** Tags added: needs-reverse-bisect ** Tags removed: 1.12.0 latest-bios- ** Tags added: latest-bios-1.12.0 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1328984 Title: [Dell PowerEdge R510] Regression: Kernel 3.2.0-64 fails to boot with USB3 controller card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1328984/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs