quantal irqbalance missing MSI interrupts

Bug #1058237 reported by Joey Stanford on 2012-09-28
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
irqbalance (Ubuntu)
Undecided
Unassigned

Bug Description

I get these messages on boot-up.

Sep 28 11:30:17 localhost /usr/sbin/irqbalance: WARNING: MSI interrupts found in /proc/interrupts
Sep 28 11:30:17 localhost /usr/sbin/irqbalance: But none found in sysfs, you need to update your kernel
Sep 28 11:30:17 localhost /usr/sbin/irqbalance: Until then, IRQs will be improperly classified

Description: Ubuntu quantal (development branch) (beta 2)
Release: 12.10

joey@warthog:~$ sudo lshw |grep msi
             capabilities: pci msi pciexpress pm normal_decode bus_master cap_list
             capabilities: pci msi pciexpress pm normal_decode bus_master cap_list
                capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
             capabilities: pci msi pciexpress pm normal_decode bus_master cap_list
             capabilities: pm msi pciexpress bus_master cap_list
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
                capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
             capabilities: storage msi pm bus_master cap_list

Joey Stanford (joey) wrote :

Linux warthog 3.5.0-16-generic #24-Ubuntu SMP Thu Sep 27 23:57:26 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Robie Basak (racb) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better.

Please could you check if this is the same issue as:

https://bugzilla.redhat.com/show_bug.cgi?id=751138
http://code.google.com/p/irqbalance/issues/detail?id=36

AIUI, restarting irqbalance should work around the problem if this is the case?

When you respond please change the bug status back to New.

Changed in irqbalance (Ubuntu):
status: New → Incomplete
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