Confirmed on my system as well. . . Even though /etc/default/apcupsd ISCONFIGURED=no I was getting the do_IRQ: 6.34 No irq handler for vector message continuously.
After commenting out the "DEVICE /dev/ttyS0" and restarting the apcupsd service the no irq error has stopped. Thankyou for this find Rob A On 2019-04-12 11:46 a.m., Kyle Brenneman wrote: > On my system, I found that the immediate cause of those messages was > running apcupsd, with the default configuration of trying to talk over a > serial cable, but without a UPS connected to it. Even if it was > otherwise configured for USB, I also had to remove the "DEVICE > /dev/ttyS0" line to fix the IRQ errors. > -- Chief SW Engineering Andrews Consulting Ottawa, ON, CA +1 613.435.7489 (Office) +1 613.447.7154 (Cell) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1781016 Title: Slow flood of do_IRQ: No irq for vector To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1781016/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs