Problem seems to be gone with latest Debian stable kernel update! I don't see the message anymore with 5.10.113.
On 2022-04-28 10:34 UTC+0200, Christian Britz wrote: > 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
