On 2/3/06, Lee Revell <rlrevell@xxxxxxxxxxx> wrote: > On Thu, 2006-02-02 at 20:24 -0500, Dana Olson wrote: > > I don't know check, exactly. Is it by version? Debian Sid appears to > > have libc6 (2.3.5-12) according to the package list. I'm running > > Breezy here, 2.3.2. > > Dana > > > > OK here is my message to the Ubuntu developers and their response. > Briefly, if we can submit the needed patches by the 26th, then Dapper > will support the new rlimits. This is certainly beyond the scope of my current knowledge. I would like to help, but I don't think I can research and learn that all before the deadline. Do you know anyone who would help out with this? Also, I would like to forward that on to Mark and see what he says. The motivation is the entire musician community who wants to not leave Ubuntu... It's not just a request from you, but really a request made on behalf of all potential Ubuntu musicians. Dana > On Thu, Feb 02, 2006 at 04:48:20PM -0500, Lee Revell wrote: > > The new RLIMIT_RTPRIO was introduced in kernel 2.6.12 to selectively > > allow non-root processes to run tasks with realtime priority. This is > > essential if we ever want reliable multimedia performance without > > forcing users to run as root. > > > > Supporting this new rlimit requires some changes to glibc, bash, and > > PAM. It was added to glibc 6 months ago: > > > > http://sourceware.org/ml/libc-hacker/2005-06/msg00005.html > > > > Presumably Dapper will ship with a post 2.6.12 kernel - so will Dapper > > ship with full userspace support for this new rlimit? > > > > I checked the current glibc sources and these new RLIMITs are not yet > > supported... > > Dapper feature freeze begins 2006-02-23. If you submit the appropriate > non-invasive patches in time for them to be merged before that date, I > see no reason not to include them. However, as yet, there is no motive > to push ahead of our upstreams on this point except for your request. > > -- > - mdz > >