Ironically, I am getting very nice results this second time I am trying the 2.6.38-7 -generic kernel. Using the trace, however, causes a lot of audio dropouts when using a low latency setting.
I will give it some more time. Hopefully, things will stay like this, then. On 04/06/2011 02:36 AM, ailo wrote: > On 04/05/2011 09:13 PM, David Henningsson wrote: >>> I'm testing the 2.6.38-7 -generic, and it is in fact working better than >>> before. Almost as well as -lowlatency. >> >> Only almost? >> Anyway, that's kind of why I've losing faith in lowlatency personally - >> I have yet to see someone showing me that it actually performs better >> than the generic kernel. >> > > I have not been able to achieve as low latencies with -generic as with > -lowlatency, except for once, which was on 2.6.38-1. At the time, > -generic seemed to behave exactly the same as -lowlatency, however after > a system update, the same -generic kernel would not give me low > latencies without audio dropouts anymore. > Two of us got the same initial result with 2.6.38-1, so I'm pretty sure > it was not something I dreamt :P. > > After that, for a good while, -generic was not usable with jackd for > latencies that are required for playing soft instruments, or monitoring > realtime audio processing. > Now, with 2.6.38-7, -generic seems to behave a good deal better, but I > can still not get the same low latency as I can with -lowlatency. > > Also, during this whole period, -lowlatency has been more or less, > perfectly stable, and virtually as reliable as a realtime patched kernel. > The diff in my tests may be more related to me picking up problems > during later tests, that I didn't pick up during my first tests. Or > something in Ubuntu other than the kernel is affecting that in later tests. > > So, my opinion is, I have still to see proof of -generic behaving as > reliably as -lowlatency. > -- ailo -- Ubuntu-Studio-devel mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-devel
