On Fri, 2007-04-27 at 13:55 +0200, Ingo Molnar wrote: > * Ingo Molnar <[EMAIL PROTECTED]> wrote: > > > update for lkml readers: this is some really 'catastrophic' condition > > triggering on your box. Here ogg123 just never skips on an older 750 > > MHz box, which is 4-5 times slower than your 2GHz box - while i have > > _fourty nice-0 infinite loops_ running. I.e. at this clearly > > ridiculous load, at just 2.5% of CPU time ogg123 is just chugging > > along nicely and never leaves out a beat. > > Kasper, just to exclude the possibility that this is somehow related to > IO scheduling, could you copy the OGG file over to /dev/shm and play it > from there? Do you still get the bad skips?
That's what I can observe here: ogg123 local harddisk skips ogg123 nfs works ogg123 /dev/shm works The skips when running from the local harddisk are definitely caused by the I/O scheduler or some other bottleneck in the block/disk/scsi/sata jungle. I try to find out more details. tglx - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/