Chris Cannam wrote: > Clemens: > > Most sound cards don't have an internal timer that could be used for > > MIDI timing. ALSA uses whatever timer is configured, the default for > > this is the RTC timer. > > It is? For ALSA sequencer queues? I thought the > default was system timer.
Since 1.0.11, the RTC timer is used, if available. > Maybe it just depends on the modules you have loaded. Timer modules are loaded automatically. > My impression from Rosegarden users' reports has > been that trying to use the ALSA sequencer with the > RTC timer (something I've never bothered with myself: > I always use a 1000Hz system timer) is a reliable way > to lock up your system completely, with most kernels > from about 2.6.13 or so onwards. Kernels >= 2.6.15 work. The configure script checks for older kernels. HTH Clemens
