Re: [BUG 4.15-rc7] IRQ matrix management errors
From: Keith Busch
Date: Thu Jan 18 2018 - 03:45:12 EST
On Thu, Jan 18, 2018 at 09:10:43AM +0100, Thomas Gleixner wrote:
> Can you please provide the output of
>
> # cat /sys/kernel/debug/irq/irqs/$ONE_I40_IRQ
# cat /sys/kernel/debug/irq/irqs/48
handler: handle_edge_irq
device: 0000:1a:00.0
status: 0x00000000
istate: 0x00000000
ddepth: 0
wdepth: 0
dstate: 0x05401200
IRQD_ACTIVATED
IRQD_IRQ_STARTED
IRQD_SINGLE_TARGET
IRQD_AFFINITY_SET
IRQD_CAN_RESERVE
node: 0
affinity: 0-27,56-83
effectiv: 0
pending:
domain: PCI-MSI-2
hwirq: 0xd00002
chip: PCI-MSI
flags: 0x10
IRQCHIP_SKIP_SET_WAKE
parent:
domain: VECTOR
hwirq: 0x30
chip: APIC
flags: 0x0
Vector: 69
Target: 0