Messages in this thread | | | Date | Tue, 10 Aug 2004 11:22:49 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] voluntary-preempt-2.6.8-rc3-O4 |
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* Ingo Molnar <mingo@elte.hu> wrote:
> another idea: you are running this on a C3, using CONFIG_MCYRIXIII, > correct? That is one of the rare configs that triggers X86_USE_3DNOW > and MMX ops. If 3dnow is in any way handicapped in that CPU then that > could cause trouble. Could you compile for e.g. CONFIG_M586TSC? [that > option should be fully compatible with a C3.] - this will exclude the > MMX page clearing ops.
another (more remote) possibility is that the timestamp counter gets somehow messed up during MMX ops. Does the ALSA detector use the timestamp counter, or does it only use jiffies? (if it only used jiffies that would give us some robustness since it's an independent time-source.) I suspect 'music indeed skips' isnt a good enough test for this case, given that jackd starts up ...
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