Leaving o2_speedup at i's default "on" doesn't change the picture on 3.11:
# sync && modprobe yenta_socket Oct 9 14:52:55 ishtar kernel: [ 57.637446] yenta_cardbus 0000:0d:06.0: CardBus bridge found [1025:013c] Oct 9 14:52:55 ishtar kernel: [ 57.637472] yenta_cardbus 0000:0d:06.0: O2: enabling read prefetch/write burst. If you experience problems or performance issues, use the yenta_socket parameter 'o2_speedup=off' Oct 9 14:52:55 ishtar kernel: [ 57.764939] yenta_cardbus 0000:0d:06.0: ISA IRQ mask 0x0cb8, PCI irq 22 Oct 9 14:52:55 ishtar kernel: [ 57.764945] yenta_cardbus 0000:0d:06.0: Socket status: 30000006 Oct 9 14:52:55 ishtar kernel: [ 57.764949] pci_bus 0000:0d: Raising subordinate bus# of parent bus (#0d) from #0e to #11 Oct 9 14:52:55 ishtar kernel: [ 57.764959] yenta_cardbus 0000:0d:06.0: pcmcia: parent PCI bridge window: [io 0x5000-0x5fff] Oct 9 14:52:55 ishtar kernel: [ 57.764962] pcmcia_socket pcmcia_socket0: cs: IO port probe 0x5000-0x5fff: Oct 9 14:52:55 ishtar kernel: [ 57.765918] excluding 0x5000-0x50ff 0x5400-0x54ff Oct 9 14:52:55 ishtar kernel: [ 57.770077] yenta_cardbus 0000:0d:06.0: pcmcia: parent PCI bridge window: [mem 0xf4700000-0xf47fffff] Oct 9 14:52:55 ishtar kernel: [ 57.770081] pcmcia_socket pcmcia_socket0: cs: memory probe 0xf4700000-0xf47fffff: Oct 9 14:52:55 ishtar kernel: [ 57.770084] excluding 0xf4700000-0xf470ffff Oct 9 14:52:55 ishtar kernel: [ 57.770094] yenta_cardbus 0000:0d:06.0: pcmcia: parent PCI bridge window: [mem 0x80000000-0x83ffffff pref] Oct 9 14:52:55 ishtar kernel: [ 57.770097] pcmcia_socket pcmcia_socket0: cs: memory probe 0x80000000-0x83ffffff: Oct 9 14:52:55 ishtar kernel: [ 57.770111] excluding 0x80000000-0x83ffffff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1237336 Title: linux-image-3.11.0-12-generic doesn't boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1237336/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs