Public bug reported: Hi, I'm running ubuntu 16.04 (since january) and relatively recently (after another kernel upgrade during alpha-beta stage) I've started experience problems with the mouse (it's a radio-powered one). After checking the syslog that is what I've found:
May 5 16:39:03 lyu-ubuntu kernel: [11999.623139] irq 20: nobody cared (try booting with the "irqpoll" option) May 5 16:39:03 lyu-ubuntu kernel: [11999.623157] CPU: 1 PID: 0 Comm: swapper/1 Tainted: P OE 4.4.0-21-generic #37-Ubuntu May 5 16:39:03 lyu-ubuntu kernel: [11999.623159] Hardware name: ASUSTeK Computer Inc. K50IN /K50IN , BIOS 222 01/22/2010 May 5 16:39:03 lyu-ubuntu kernel: [11999.623163] 0000000000000086 87c743a25af182af ffff8800bfa83cf8 ffffffff813e93c3 May 5 16:39:03 lyu-ubuntu kernel: [11999.623168] ffff8800b57abe00 ffff8800b57abeb4 ffff8800bfa83d20 ffffffff810dd3a3 May 5 16:39:03 lyu-ubuntu kernel: [11999.623171] ffff8800b57abe00 0000000000000000 0000000000000014 ffff8800bfa83d58 May 5 16:39:03 lyu-ubuntu kernel: [11999.623176] Call Trace: May 5 16:39:03 lyu-ubuntu kernel: [11999.623178] <IRQ> [<ffffffff813e93c3>] dump_stack+0x63/0x90 May 5 16:39:03 lyu-ubuntu kernel: [11999.623192] [<ffffffff810dd3a3>] __report_bad_irq+0x33/0xc0 May 5 16:39:03 lyu-ubuntu kernel: [11999.623196] [<ffffffff810dd737>] note_interrupt+0x247/0x290 May 5 16:39:03 lyu-ubuntu kernel: [11999.623199] [<ffffffff810da9c7>] handle_irq_event_percpu+0x167/0x1d0 May 5 16:39:03 lyu-ubuntu kernel: [11999.623202] [<ffffffff810daa6e>] handle_irq_event+0x3e/0x60 May 5 16:39:03 lyu-ubuntu kernel: [11999.623206] [<ffffffff810ddca6>] handle_fasteoi_irq+0x96/0x150 May 5 16:39:03 lyu-ubuntu kernel: [11999.623211] [<ffffffff8103115a>] handle_irq+0x1a/0x30 May 5 16:39:03 lyu-ubuntu kernel: [11999.623215] [<ffffffff81826edb>] do_IRQ+0x4b/0xd0 May 5 16:39:03 lyu-ubuntu kernel: [11999.623220] [<ffffffff81824fc2>] common_interrupt+0x82/0x82 May 5 16:39:03 lyu-ubuntu kernel: [11999.623439] [<ffffffffc1411c50>] ? _nv013458rm+0x30/0x30 [nvidia] May 5 16:39:03 lyu-ubuntu kernel: [11999.623446] [<ffffffff8108591e>] ? __do_softirq+0x7e/0x290 May 5 16:39:03 lyu-ubuntu kernel: [11999.623450] [<ffffffff81085ca3>] irq_exit+0xa3/0xb0 May 5 16:39:03 lyu-ubuntu kernel: [11999.623454] [<ffffffff81826ee4>] do_IRQ+0x54/0xd0 May 5 16:39:03 lyu-ubuntu kernel: [11999.623458] [<ffffffff81824fc2>] common_interrupt+0x82/0x82 May 5 16:39:03 lyu-ubuntu kernel: [11999.623460] <EOI> [<ffffffff816bb9ee>] ? cpuidle_enter_state+0x10e/0x2b0 May 5 16:39:03 lyu-ubuntu kernel: [11999.623468] [<ffffffff816bbbc7>] cpuidle_enter+0x17/0x20 May 5 16:39:03 lyu-ubuntu kernel: [11999.623473] [<ffffffff810c3d52>] call_cpuidle+0x32/0x60 May 5 16:39:03 lyu-ubuntu kernel: [11999.623476] [<ffffffff816bbba3>] ? cpuidle_select+0x13/0x20 May 5 16:39:03 lyu-ubuntu kernel: [11999.623480] [<ffffffff810c4010>] cpu_startup_entry+0x290/0x350 May 5 16:39:03 lyu-ubuntu kernel: [11999.623485] [<ffffffff810516f4>] start_secondary+0x154/0x190 May 5 16:39:03 lyu-ubuntu kernel: [11999.623487] handlers: May 5 16:39:03 lyu-ubuntu kernel: [11999.623492] [<ffffffff8160c440>] usb_hcd_irq May 5 16:39:03 lyu-ubuntu kernel: [11999.623495] Disabling IRQ #20 The currently running kernel version is 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1578552 Title: irq 20: nobody cared To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1578552/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs