Would it be possible for you to post the complete kernel logs for a working kernel (3.0.0-17-generic)? From your kernel log, I can see:
[ 3.040826] irq 11: nobody cared (try booting with the "irqpoll" option) [ 3.040832] Pid: 0, comm: swapper/1 Not tainted 3.2.0-24-generic #39-Ubuntu [ 3.040835] Call Trace: [ 3.040837] <IRQ> [<ffffffff810db41d>] __report_bad_irq+0x3d/0xe0 [ 3.040848] [<ffffffff810db6a5>] note_interrupt+0x135/0x190 [ 3.040852] [<ffffffff810d8f09>] handle_irq_event_percpu+0xa9/0x220 [ 3.040856] [<ffffffff810d90d1>] handle_irq_event+0x51/0x80 [ 3.040860] [<ffffffff810dc0fa>] handle_fasteoi_irq+0x6a/0x110 [ 3.040865] [<ffffffff81015282>] handle_irq+0x22/0x40 [ 3.040869] [<ffffffff8166789a>] do_IRQ+0x5a/0xe0 [ 3.040874] [<ffffffff8165cc2e>] common_interrupt+0x6e/0x6e [ 3.040876] <EOI> [<ffffffff8103cf8b>] ? native_safe_halt+0xb/0x10 [ 3.040883] [<ffffffff8101b983>] default_idle+0x53/0x1d0 [ 3.040887] [<ffffffff8101bb5d>] amd_e400_idle+0x5d/0x120 [ 3.040890] [<ffffffff81012236>] cpu_idle+0xd6/0x120 [ 3.040895] [<ffffffff8163ab21>] start_secondary+0xd9/0xdb [ 3.040897] handlers: [ 3.040903] [<ffffffffa0126370>] irq_handler [ 3.040905] Disabling IRQ #11 And IRQ 11 seems to be the one assigned to the firewire_ohci driver. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1005920 Title: Extremely slow performance on Firewire disk To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1005920/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
