I have an APC UPS too. Great find. Who would have guessed an IRQ handling
problem message from the kernel was due to a serial or USB device. Wow.

On Thu, Apr 18, 2019 at 7:16 AM Kai-Heng Feng <kai.heng.f...@canonical.com>
wrote:

> Thanks for the info. Have anyone filed a bug against upstream apcupsd?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1781016
>
> Title:
>   Slow flood of do_IRQ: No irq for vector
>
> Status in linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   Every few seconds I get something like this in my dmesg:
>
>   [44984.933221] do_IRQ: 1.34 No irq handler for vector
>   [44986.933976] do_IRQ: 1.34 No irq handler for vector
>   [44991.935614] do_IRQ: 1.34 No irq handler for vector
>   [45004.938590] do_IRQ: 1.34 No irq handler for vector
>   [45005.939002] do_IRQ: 4.34 No irq handler for vector
>   [45034.949161] do_IRQ: 4.34 No irq handler for vector
>   [45051.954569] do_IRQ: 4.34 No irq handler for vector
>   [45058.956019] do_IRQ: 4.34 No irq handler for vector
>   [45062.957727] do_IRQ: 4.34 No irq handler for vector
>   [45063.958204] do_IRQ: 4.34 No irq handler for vector
>   [45073.961103] do_IRQ: 4.34 No irq handler for vector
>
>   The numbers vary. Some examples are 4.34, 4.36, 1.34, 0.33, 6.34,
>   7.33, 5.37. Eventually dmesg's ring buffer is full and my entire log
>   is just messages like above with varying #.## numbers.
>
>   I researched it and tried disabling irqbalance. It had no effect, the
>   messages continued.
>
>   The system is a Ryzen 2700X with B350 chipset on Asus Prime B350-PLUS.
>   I have 64GB of Kingston DDR4-2400 ECC memory and Samsung 960 PRO M.2
>   NVMe SSD, and an Intel I350-T4 quad port gigabit NIC. This issue never
>   occurred before installing 18.03 on the same hardware. No overclocking
>   whatsoever has ever been done to this machine.
>
>   Also, I had to disable selective suspend on USB in this version to
>   prevent major USB issues, which was not required in 17.10, that might
>   be related.
>
>   My system seems stable, but spurious IRQs can't be good. I'd like to
>   resolve this if possible.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 18.04
>   Package: linux-image-4.15.0-26-generic 4.15.0-26.28
>   ProcVersionSignature: Ubuntu 4.15.0-26.28-generic 4.15.18
>   Uname: Linux 4.15.0-26-generic x86_64
>   NonfreeKernelModules: nvidia_modeset nvidia
>   ApportVersion: 2.20.9-0ubuntu7.2
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  gdm        2145 F.... pulseaudio
>                         doug       3736 F.... pulseaudio
>    /dev/snd/controlC1:  gdm        2145 F.... pulseaudio
>                         doug       3736 F.... pulseaudio
>   Date: Tue Jul 10 12:49:00 2018
>   HibernationDevice:
>
>   InstallationDate: Installed on 2017-06-26 (379 days ago)
>   InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
> (20160420.1)
>   MachineType: System manufacturer System Product Name
>   ProcEnviron:
>    LANGUAGE=en_CA:en
>    TERM=xterm-256color
>    PATH=(custom, no user)
>    LANG=en_CA.UTF-8
>    SHELL=/bin/bash
>   ProcFB:
>
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-26-generic
> root=UUID=53446747-0814-48f7-b7c4-7fd7d7234d83 ro video=vesa:off vga=normal
> video=efifb:off usbcore.autosuspend=-1 usbhid.quirks=0x1e71:0x170e:0x4
>   PulseList:
>    Error: command ['pacmd', 'list'] failed with exit code 1: Home
> directory not accessible: Permission denied
>    No PulseAudio daemon running, or not running as session daemon.
>   RelatedPackageVersions:
>    linux-restricted-modules-4.15.0-26-generic N/A
>    linux-backports-modules-4.15.0-26-generic  N/A
>    linux-firmware                             1.173.1
>   RfKill:
>
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 04/19/2018
>   dmi.bios.vendor: American Megatrends Inc.
>   dmi.bios.version: 4011
>   dmi.board.asset.tag: Default string
>   dmi.board.name: PRIME B350-PLUS
>   dmi.board.vendor: ASUSTeK COMPUTER INC.
>   dmi.board.version: Rev X.0x
>   dmi.chassis.asset.tag: Default string
>   dmi.chassis.type: 3
>   dmi.chassis.vendor: Default string
>   dmi.chassis.version: Default string
>   dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvr4011:bd04/19/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB350-PLUS:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
>   dmi.product.family: To be filled by O.E.M.
>   dmi.product.name: System Product Name
>   dmi.product.version: System Version
>   dmi.sys.vendor: System manufacturer
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1781016/+subscriptions
>

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1781016

Title:
  Slow flood of do_IRQ: No irq for vector

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Every few seconds I get something like this in my dmesg:

  [44984.933221] do_IRQ: 1.34 No irq handler for vector
  [44986.933976] do_IRQ: 1.34 No irq handler for vector
  [44991.935614] do_IRQ: 1.34 No irq handler for vector
  [45004.938590] do_IRQ: 1.34 No irq handler for vector
  [45005.939002] do_IRQ: 4.34 No irq handler for vector
  [45034.949161] do_IRQ: 4.34 No irq handler for vector
  [45051.954569] do_IRQ: 4.34 No irq handler for vector
  [45058.956019] do_IRQ: 4.34 No irq handler for vector
  [45062.957727] do_IRQ: 4.34 No irq handler for vector
  [45063.958204] do_IRQ: 4.34 No irq handler for vector
  [45073.961103] do_IRQ: 4.34 No irq handler for vector

  The numbers vary. Some examples are 4.34, 4.36, 1.34, 0.33, 6.34,
  7.33, 5.37. Eventually dmesg's ring buffer is full and my entire log
  is just messages like above with varying #.## numbers.

  I researched it and tried disabling irqbalance. It had no effect, the
  messages continued.

  The system is a Ryzen 2700X with B350 chipset on Asus Prime B350-PLUS.
  I have 64GB of Kingston DDR4-2400 ECC memory and Samsung 960 PRO M.2
  NVMe SSD, and an Intel I350-T4 quad port gigabit NIC. This issue never
  occurred before installing 18.03 on the same hardware. No overclocking
  whatsoever has ever been done to this machine.

  Also, I had to disable selective suspend on USB in this version to
  prevent major USB issues, which was not required in 17.10, that might
  be related.

  My system seems stable, but spurious IRQs can't be good. I'd like to
  resolve this if possible.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-26-generic 4.15.0-26.28
  ProcVersionSignature: Ubuntu 4.15.0-26.28-generic 4.15.18
  Uname: Linux 4.15.0-26-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  gdm        2145 F.... pulseaudio
                        doug       3736 F.... pulseaudio
   /dev/snd/controlC1:  gdm        2145 F.... pulseaudio
                        doug       3736 F.... pulseaudio
  Date: Tue Jul 10 12:49:00 2018
  HibernationDevice:
   
  InstallationDate: Installed on 2017-06-26 (379 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  MachineType: System manufacturer System Product Name
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-26-generic 
root=UUID=53446747-0814-48f7-b7c4-7fd7d7234d83 ro video=vesa:off vga=normal 
video=efifb:off usbcore.autosuspend=-1 usbhid.quirks=0x1e71:0x170e:0x4
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-26-generic N/A
   linux-backports-modules-4.15.0-26-generic  N/A
   linux-firmware                             1.173.1
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/19/2018
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4011
  dmi.board.asset.tag: Default string
  dmi.board.name: PRIME B350-PLUS
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr4011:bd04/19/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB350-PLUS:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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