From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 185531] New: pata_hpt366 irq xx: nobody cared
Date: Fri, 28 Oct 2016 20:13:31 +0000
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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@kernel-bugs.osdl.org
Reporter: ilario.gottardello@gmail.com
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] [] dump_stack+0x63/0x90
[ 3049.573940] [] __report_bad_irq+0x33/0xc0
[ 3049.573943] [] note_interrupt+0x247/0x290
[ 3049.573946] [] handle_irq_event_percpu+0x167/0x1d0
[ 3049.573949] [] handle_irq_event+0x3e/0x60
[ 3049.573952] [] handle_fasteoi_irq+0x96/0x150
[ 3049.573956] [] handle_irq+0x1a/0x30
[ 3049.573962] [] do_IRQ+0x4b/0xd0
[ 3049.573965] [] common_interrupt+0x82/0x82
[ 3049.573966] [] ? cpuidle_enter_state+0x10e/0x2b0
[ 3049.573975] [] cpuidle_enter+0x17/0x20
[ 3049.573979] [] call_cpuidle+0x32/0x60
[ 3049.573982] [] ? cpuidle_select+0x13/0x20
[ 3049.573986] [] cpu_startup_entry+0x290/0x350
[ 3049.573989] [] start_secondary+0x154/0x190
[ 3049.573992] handlers:
[ 3049.573995] [] ata_bmdma_interrupt
[ 3049.573997] [] 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.
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