Re: "Disabling IRQ #9" - how to check for impact
Hello Ilya,
thank you for sharing so many interesting details!
On 2022-04-28 02:53 UTC+0200, IL Ka wrote:
> This is a known kernel
> bug: https://bugzilla.kernel.org/show_bug.cgi?id=207749
> <https://bugzilla.kernel.org/show_bug.cgi?id=207749>
I was almost sure the messages first appeared after the firmware update,
but the kernel bug is much older. I will definitely follow this thread.
> As we see from stacktrace, this handler is "acpi_irq" (you can also
> check it by reading /proc/interrupts):
There is a high number on CPU1:
9: 0 819113116 0 0 0 0
0 0 IR-IO-APIC 9-fasteoi acpi
Should I be worried about that?
> Many hardware things in laptops use ACPI: Brightness buttons, FN
> buttons, volume buttons, lid etc.
They seem to work.
> If everything works as expected (you see no problem with lid, buttons
> etc) simply ignore it.
It seems so.
> If no, try to install the latest kernel and file a bug to Debian (I
Latest kernel from backports did not help.
> You can also add "irqpoll" kernel param which will ask the kernel to
I think I have read somewhere that this can make the machine very slow.
So far I notice no impact of the bug, luckily. I guess I will live with
it and hope for a fix in a kernel of a later Debian release.
Best Regards,
Christian
--
http://www.cb-fraggle.de
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