Steve Kemp wrote:
On Sun, Nov 05, 2006 at 09:37:39PM +0100, steef wrote:
some helpful soul on the alsa-userlist advised me to put a textfile with
*options snd-hda-intel index=0 disable_msi=1*
is some kind soul out there who can tell me the exact meaning of the phrase
*--disable_msi=1*?
These flags are passed directly to the "insmod" command, which will
a) load the kernel module and b) set module-parameters.
The parameters are entirely module-specific. The documentation for
the snd-hda-intel module shows the following as recognized parameters:
model - force the model name
position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO
size)
single_cmd - Use single immediate commands to communicate with codecs (for
debugging only)
disable_msi - Disable Message Signaled Interrupt (MSI)
What that means? I have no idea. But if you look at the code you
might gain some clues. Ultimately if it works I'd figure the fine
details are mostly irrelevant..
guess you are right: i'm just curious.
found this:
Tue, 17 Oct 2006 23:13:01 +0200
From Adrian Bunk <>
Subject [RFC: 2.6.19 patch] snd-hda-intel: default MSI to off
Digg This
<http://digg.com/submit?phase=2&url=http%3A%2F%2Flkml.org%2Flkml%2F2006%2F10%2F17%2F282&title=Adrian%20Bunk%3A%20%5BRFC%3A%202.6.19%20patch%5D%20snd-hda-intel%3A%20default%20MSI%20to%20off&topic=linux_unix>
On Thu, Oct 05, 2006 at 11:08:57PM +0200, Prakash Punnoor wrote:
Am Donnerstag 05 Oktober 2006 19:30 schrieb Fatih A????c??:
> 2006/10/5, Prakash Punnoor <[EMAIL PROTECTED]>:
> > Hi,
> >
> > subjects say it all. Without irqpoll my nic doesn't work anymore.
I added
> > Ingo
> > to cc, as my IRQs look different, so it may be a prob of APIC
routing or
> > the
> > like.
> > Can you try booting with pci=nomsi ? I have a similar problem with my
I used snd-hda-intel.disable_msi=1 and this actually helped! Now the
nforce nic works w/o problems. So it was the audio driver causing
havoc on the nic. ...
Unless someone finds and fixes what causes such problems, I'd therefore
suggest the patch below to let MSI support to be turned off by default.
steef
(See the file Documentation/ALSA-Configuration.txt inside the alsa
distribution for a few more details.)
Steve
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