On 3/13/18, David Rosenstrauch <dar...@darose.net> wrote:
> On 03/12/2018 09:56 PM, Carsten Mattner via arch-general wrote:
>> Any BIOS updates or kernel updates recently (4.15.8)?
>> Try with 3.16 or 4.9 or another old lts kernel from archive.archlinux.org
>> just for testing (not production).
>> It's more likely that the kernel regressed rather than IRQ issues popping
>> up suddenly. It's possible but less likely.
> No BIOS updates. As far as kernel updates, I do those all the time, so
> not sure that would be the cause.
> After doing some digging, though, I did "cat /proc/interrupts", and this
> line stood out, for having an astronomically high number:
> CPU0 CPU1 CPU2 CPU3
> 16: 2424156658 0 0 0 IO-APIC 16-fasteoi
> uhci_hcd:usb5, parport1
> I have an old PCI card in the machine that's powers an old parallel port
> printer I used to use with it. Perhaps that's failing. I don't need
> the card anymore, so I might as well try taking it out and see if that
> makes things better. If not, I'll be back. :-)
Let us know in either case. Please tell me it's a huge plotter
you use to make construction plans for your rocket ships.