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