It seems dmesg wasn't included: [ 2794.402505] irq 16: nobody cared (try booting with the "irqpoll" option) [ 2794.402535] Pid: 0, comm: swapper/0 Tainted: P O 3.2.0-35-generic #55-Ubuntu [ 2794.402543] Call Trace: [ 2794.402564] [<c1560f2c>] ? printk+0x2d/0x2f [ 2794.402581] [<c10b1259>] __report_bad_irq+0x29/0xd0 [ 2794.402593] [<c10b14b4>] note_interrupt+0x104/0x150 [ 2794.402606] [<c107c1d4>] ? tick_nohz_stop_sched_tick+0x2b4/0x410 [ 2794.402618] [<c10af38f>] handle_irq_event_percpu+0x9f/0x1f0 [ 2794.402631] [<c157614d>] ? _raw_spin_lock_irqsave+0x2d/0x40 [ 2794.402642] [<c10af51b>] handle_irq_event+0x3b/0x60 [ 2794.402654] [<c10b1cc0>] ? unmask_irq+0x30/0x30 [ 2794.402664] [<c10b1d0e>] handle_fasteoi_irq+0x4e/0xd0 [ 2794.402671] <IRQ> [<c157d832>] ? do_IRQ+0x42/0xc0 [ 2794.402693] [<c106e483>] ? __hrtimer_start_range_ns+0x163/0x400 [ 2794.402704] [<c157d770>] ? common_interrupt+0x30/0x38 [ 2794.402716] [<c107c1d4>] ? tick_nohz_stop_sched_tick+0x2b4/0x410 [ 2794.402728] [<c10017da>] ? cpu_idle+0x6a/0xe0 [ 2794.402741] [<c15455a5>] ? rest_init+0x5d/0x68 [ 2794.402754] [<c1834771>] ? start_kernel+0x34d/0x353 [ 2794.402764] [<c18343b5>] ? pass_bootoption.constprop.2+0xe2/0xe2 [ 2794.402776] [<c18340a9>] ? i386_start_kernel+0xa9/0xaf [ 2794.402782] handlers: [ 2794.402795] [<c13deb10>] usb_hcd_irq [ 2794.402810] Disabling IRQ #16
** Attachment added: "dmesg.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1094904/+attachment/3471443/+files/dmesg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1094904 Title: irq 16: nobody cared usb_hcd_irq To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1094904/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs