https://bugzilla.kernel.org/show_bug.cgi?id=185531 Bug ID: 185531 Summary: pata_hpt366 irq xx: nobody cared Product: IO/Storage Version: 2.5 Kernel Version: Linux 4.4.0-45-generic Ubuntu SMP x86_64 Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: IDE Assignee: io_ide@xxxxxxxxxxxxxxxxxxxx Reporter: ilario.gottardello@xxxxxxxxx Regression: No Some time after boot, a spurious interrupt make this driver downgrade performance from udma to pio. This interrupt is assigned solely to this card, as says /proc/interrupts: CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 19: 4147 0 0 188 195666 0 0 0 IO-APIC 19-fasteoi pata_hpt366, pata_hpt366 This is the relevant part from dmesg: [ 3049.573902] irq 19: nobody cared (try booting with the "irqpoll" option) [ 3049.573910] CPU: 4 PID: 0 Comm: swapper/4 Tainted: P OE 4.4.0-45-generic #66-Ubuntu [ 3049.573912] Hardware name: System manufacturer System Product Name/P8H67-V, BIOS 3707 07/12/2013 [ 3049.573915] 0000000000000086 d86ed4c7c37291ec ffff88012f303e60 ffffffff813f1fe3 [ 3049.573919] ffff8800c07a5a00 ffff8800c07a5ab4 ffff88012f303e88 ffffffff810dd7a3 [ 3049.573922] ffff8800c07a5a00 0000000000000000 0000000000000013 ffff88012f303ec0 [ 3049.573925] Call Trace: [ 3049.573927] <IRQ> [<ffffffff813f1fe3>] dump_stack+0x63/0x90 [ 3049.573940] [<ffffffff810dd7a3>] __report_bad_irq+0x33/0xc0 [ 3049.573943] [<ffffffff810ddb37>] note_interrupt+0x247/0x290 [ 3049.573946] [<ffffffff810dadc7>] handle_irq_event_percpu+0x167/0x1d0 [ 3049.573949] [<ffffffff810dae6e>] handle_irq_event+0x3e/0x60 [ 3049.573952] [<ffffffff810de0a6>] handle_fasteoi_irq+0x96/0x150 [ 3049.573956] [<ffffffff810310fa>] handle_irq+0x1a/0x30 [ 3049.573962] [<ffffffff8183429b>] do_IRQ+0x4b/0xd0 [ 3049.573965] [<ffffffff81832382>] common_interrupt+0x82/0x82 [ 3049.573966] <EOI> [<ffffffff816c4dce>] ? cpuidle_enter_state+0x10e/0x2b0 [ 3049.573975] [<ffffffff816c4fa7>] cpuidle_enter+0x17/0x20 [ 3049.573979] [<ffffffff810c4112>] call_cpuidle+0x32/0x60 [ 3049.573982] [<ffffffff816c4f83>] ? cpuidle_select+0x13/0x20 [ 3049.573986] [<ffffffff810c43d0>] cpu_startup_entry+0x290/0x350 [ 3049.573989] [<ffffffff810516e4>] start_secondary+0x154/0x190 [ 3049.573992] handlers: [ 3049.573995] [<ffffffff815e81e0>] ata_bmdma_interrupt [ 3049.573997] [<ffffffff815e81e0>] ata_bmdma_interrupt [ 3049.573999] Disabling IRQ #19 Already changed cables and moved the card in another slot, the issue still appears. I'm willing to help debug the issue. Thanks in advance. -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
