Re: [jazzplusplus-devel] Starting jackd on Mandriva

[Pete S. <pst...@gm...>]

DM = D.B. Moore
DM>>> //my comments
DM>>>
DM>>> CONFIG_HZ_1000=y
DM>>> CONFIG_HZ=1000
DM>>>
DM>>> //you DO have the right HZ
DM>>>
DM>>> # CONFIG_PREEMPT_NONE is not set
DM>>> CONFIG_PREEMPT_VOLUNTARY=y
DM>>> # CONFIG_PREEMPT is not set
DM>>> # CONFIG_PREEMPT_BKL is not set
DM>>>
DM>>> // I haven't looked at qsynth code, but my
DM>>> // guess is the above is the show-stopper.
DM>>> // 'VOLUNTARY' = normal 'Desktop' preemption
DM>>> //'Low-latency Desktop requires
DM>>> // CONFIG_PREEMPT=y (as I do)
DM>>>
DM>>> CONFIG_DEFAULT_IOSCHED="cfq"
DM>>>
DM>>> // not actually how sure this one matters...
DM>>> // I use DEADLINE myself as I'm more
DM>>> // interested in linear performance
DM>>>
DM>>> CONFIG_TICK_ONESHOT=y
DM>>> CONFIG_NO_HZ=y
DM>>> CONFIG_HIGH_RES_TIMERS=y
DM>>>
DM>>> // I don't use the 'dynamic ticks' stuff
DM>>> // I believe one needs the HIGH_RES_TIMER
DM>>> // set like you have
DM>>>
DM>>> I believe this accounts for what you're
DM>>> seeing with qsynth.

PS = Pete Stieber
PS>> For the record, my Fedora x86_64 install worked OTB.
PS>> Do you want the same information from it?

DM> Sure thing, it's a useful back-check ...and adds
DM> to my knowledge

A gzipped version of the config file for my Fedora 8 box is attached.

Pete