Bug 113611

Summary:	irq 16: nobody cared
Product:	Other	Reporter:	TaKeN (admin)
Component:	Other	Assignee:	other_other
Status:	NEW ---
Severity:	high
Priority:	P1
Hardware:	Intel
OS:	Linux
Kernel Version:	4.4.3	Subsystem:
Regression:	No	Bisected commit-id:

Description TaKeN 2016-03-03 20:55:11 UTC

Hello
After upgrade from 4.4.2 to 4.4.3 i get today:
[135936.812482] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.3-grsec-TaKeN-ipv6-64 #1
[135936.812483] Hardware name:                  /DH67BL, BIOS BLH6710H.86A.0160.2012.1204.1156 12/04/2012
[135936.812484]  0000000000000000 ffff88081fa43e70 ffffffff81674bd8 0000000000040400
[135936.812486]  ffff8807fb1b8e00 ffff8807fb1b8e9c ffff88081fa43e98 ffffffff811500f0
[135936.812487]  ffff8807fb1b8e00 0000000000000000 0000000000000000 ffff88081fa43ed0
[135936.812488] Call Trace:
[135936.812489]  <IRQ>  [<ffffffff81674bd8>] dump_stack+0x64/0x8c
[135936.812496]  [<ffffffff811500f0>] __report_bad_irq+0x30/0xc0
[135936.812497]  [<ffffffff81150467>] note_interrupt+0x227/0x270
[135936.812498]  [<ffffffff8114dcce>] handle_irq_event_percpu+0x9e/0x100
[135936.812499]  [<ffffffff8114dd66>] handle_irq_event+0x36/0x60
[135936.812501]  [<ffffffff81150ca4>] handle_fasteoi_irq+0x84/0x130
[135936.812504]  [<ffffffff8105b128>] handle_irq+0x18/0x30
[135936.812505]  [<ffffffff8105aa96>] do_IRQ+0x46/0xd0
[135936.812507]  [<ffffffff81e18d04>] common_interrupt+0x84/0x84
[135936.812508]  <EOI>  [<ffffffff81bbef17>] ? cpuidle_enter_state+0x107/0x1c0
[135936.812512]  [<ffffffff81bbeff2>] cpuidle_enter+0x12/0x20
[135936.812513]  [<ffffffff81142fff>] call_cpuidle+0x2f/0x60
[135936.812515]  [<ffffffff81bbefde>] ? cpuidle_select+0xe/0x10
[135936.812516]  [<ffffffff81143201>] cpu_startup_entry+0x1d1/0x290
[135936.812518]  [<ffffffff8108b965>] start_secondary+0x175/0x190
[135936.812519] handlers:
[135936.812523] [<ffffffff81a971f0>] ffffffff81a971f0
[135936.812530] Disabling IRQ #16

I use kernel line 4.4.X from start and first time got this problem...
Looks like BUG in 4.4.3

Thanks
TaKeN

Comment 1 TaKeN 2016-03-03 22:48:22 UTC

IRQ 16 it`s a USB HUB:

[    2.316478] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    2.316481] ehci-pci: EHCI PCI platform driver
[    2.316546] ehci-pci 0000:00:1a.0: EHCI Host Controller
[    2.316551] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 1
[    2.316563] ehci-pci 0000:00:1a.0: debug port 2
[    2.320455] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported
[    2.320461] ehci-pci 0000:00:1a.0: irq 16, io mem 0xfe523000
[    2.329717] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00