That's embarrassing... for some reason I thought just removing "quiet" gave me all the messages. Looks like there's a more defined problem, anyway.
Here's where it hangs: [ 29.435837] ACPI: PCI Interrupt 0000:02:0b.0[A] -> GSI 23 (level, low) -> IRQ 19 [ 55.735467] hdg: lost interrupt [ 85.664295] hdg: lost interrupt [ 105.620841] hdg: dma_timer_expiry: dma status == 0x24 [ 115.597122] hdg: DMA interrupt recovery [ 115.597126] hdg: lost interrupt [ 135.549676] hdg: dma_timer_expiry: dma status == 0x24 [ 145.525949] hdg: DMA interrupt recovery [ 145.525953] hdg: lost interrupt [ 165.478502] hdg: dma_timer_expiry: dma status == 0x24 [ 175.454779] hdg: DMA interrupt recovery [ 175.454784] hdg: lost interrupt [ 195.407334] hdg: dma_timer_expiry: dma status == 0x24 [ 205.383613] hdg: DMA interrupt recovery [ 205.383619] hdg: lost interrupt -- [feisty] boot stalls on "starting kernel event manager" https://launchpad.net/bugs/81164 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs