On Wednesday 15 November 2006 21:14, Linus Torvalds wrote:
>
> On Wed, 15 Nov 2006, Mws wrote:
> >
> > after some small discussions on alsa-user ml i recognised this
> > thread today.
> > i thought my problem could also exist on this msi stuff.
> > i disabled msi in kernel config, reboot, and, after starting x & kde
> > i got immediately a freeze.
> > last and maybe important last try has been to
> > enable msi support _but_ boot kernel with cmdline pci=nomsi
> > this finally did work out. i got a working sound environment again.
>
> I expect that you have the exact same issue as Olivier: the "hang" is
> probably because you started using the sound device (beeping on the
> console is handled by the old built-in speaker, but in X a single beep
> tends to be due to sound device drivers), and because of sound irq
> misrouting you had some other device (like your harddisk) that got their
> irq disabled due to the "nobody cared" issue.
>
> > i find it a bit abnormal that the disabling msi in kernel config behaviour
> > is different from kernel cmdline pci=nomsi option.
>
> Now, that does actually worry me. It _should_ have worked with CONFIG_MSI
> disabled. I wonder if some of the MSI workarounds actually broke the HDA
> driver subtly.
>
> Anyway, it would be a good idea to test the current -git tree if you can,
> both with CONFIG_MSI and without (and _without_ any "pci=nomsi" kernel
> command line). It should hopefully work, exactly because the HDA driver
> now shouldn't even try to do any MSI stuff by default.
>
> Knock wood.
>
> Linus
hi,
linus, just cloned current git, but will test it tomorrow morning.
will inform you on the results.
thanks
marcel
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