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SubjectRe: [patch V3 28/35] PCI/MSI: Simplify pci_irq_get_affinity()
On 1/31/22 03:27, Thomas Gleixner wrote:
> On Sun, Jan 30 2022 at 09:12, Guenter Roeck wrote:
>> On Fri, Dec 10, 2021 at 11:19:26PM +0100, Thomas Gleixner wrote:
>> This patch results in the following runtime warning when booting x86
>> (32 bit) nosmp images from NVME in qemu.
>>
>> [ 14.825482] nvme nvme0: 1/0/0 default/read/poll queues
>> ILLOPC: ca7c6d10: 0f 0b
>> [ 14.826188] ------------[ cut here ]------------
>> [ 14.826307] WARNING: CPU: 0 PID: 7 at drivers/pci/msi/msi.c:1114 pci_irq_get_affinity+0x80/0x90
>
> This complains about msi_desc->affinity being NULL.
>
>> git bisect bad f48235900182d64537c6e8f8dc0932b57a1a0638
>> # first bad commit: [f48235900182d64537c6e8f8dc0932b57a1a0638] PCI/MSI: Simplify pci_irq_get_affinity()
>
> Hrm. Can you please provide dmesg and /proc/interrupts from a
> kernel before that commit?
>

Sure. Please see http://server.roeck-us.net/qemu/x86/.
The logs are generated with with v5.16.4.

Guenter

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