Crazy, after upgrade, dist-upgrade, I'm still on 3.14 kernel.
But after restart and trying using command
watch /proc/interrupts
49: 145 143 PCI-MSI-edge snd_hda_intel
and playing audacious, mute-unmute etc...
show normally without errors or weird characterst instead snd_hda_intel.
uname -a
Linux skymond 3.13.0-19-generic #40-Ubuntu SMP Mon Mar 24 02:37:00 UTC 2014
i686 i686 i686 GNU/Linux
I think now is ok but I'm not sure how and why. Think to mark it solved,
if repates errors maybe to context reopen this ticket?
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1297659
Title:
Unknown IRQ result on Lenovo T400
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