On Thu, 2010-09-30 at 16:38 +0200, Ralf Mardorf wrote: > On Thu, 2010-09-30 at 07:35 -0400, Ronan Jouchet wrote: > > Hello everybody, > > > > Many are confused about the various realtime kernels, so here is a > > reminder of the situation as of Sept. 2010 (but _please_ see > > https://help.ubuntu.com/community/UbuntuStudio/RealTimeKernel , which is > > more detailed and continuously updated). > > > > ***Summary*** > > vanilla = unpatched kernel straight from kernel.org > > generic = vanilla + ubuntu sauce (it's the default ubuntu kernel) > > > > The *soft realtime kernels, prepared by changing build-time parameters* > > preempt = generic + mild configuration to reduce latency > > lowlatency = generic + aggressive configuration to reduce latency > > > > The *hard realtime kernels, prepared by applying a big patch* from Ingo > > Molnar to the kernel source before building: > > realtime = vanilla + patch (hard to maintain and stabilize because > > merging 2 pieces of code is never easy) > > rt = generic + patch (even harder to maintain and stabilize because > > merging 3 pieces of code is harder than 2) > > > > ***Availability*** > > - for Maverick, generic will be the only kernel in the archives, thus > > the default kernel for ubuntu and ubuntustudio, but Alessio has been > > maintaining a PPA providing lowlatency and realtime > > - for Natty or later: work is being done to include lowlatency in the > > official archives and make it the default ubuntustudio kernel > > > > I hope this clears some doubts. By the way, this confusion is only going > > to get more intense at release time (less informed / technical users). > > Could we include some kind of note informing users about this? Why not a > > "RealTime kernel help" item in the Audio Production menu, redirecting to > > the wiki page? > > > > Good day, > > > > -- Ronan Jouchet > > For what do multimedia users (producers, but consumers) need more, but > vanilla + rt-patch? Does somebody run a multi-user data server on the > same machine, as he is using in his audio or audio-video studio? This > would be nonsense. > > 2 cents, > Ralf
PS: Ok, on 32-bit architecture some might need support for large RAM in addition, this might be an additional patch, hat's not needed on 64-bit architecture. -- Ubuntu-Studio-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
