On Mon, Oct 4, 2021 at 3:07 PM Kevin Fenzi <ke...@scrye.com> wrote: > > On Mon, Oct 04, 2021 at 01:03:27PM -0400, Matthew Miller wrote: > > Hi all! I just got back from Open Source Summit, several of the talks I > > found interesting were on RISC-V -- a high-level one about the > > organizational structure, and Drew Fustini's more technical talk. > > > > In that, he noted that there's a Fedora build *, but it isn't an official > > Fedora arch. As I understand it, the major infrastructure blocker is simply > > that there isn't server-class hardware (let alone hardware that will build > > fast enough that it isn't a frustrating bottleneck). > > We have avoided using emulation in the past because we would be chasing > bugs in our emulation that aren't in real hardware and vice versa. > How good is the emulation support? Do we know/have people who can fix > things in it when we hit them? Tools folks: is emulation an option here? > Or do we still forbid it? > > > So, one question is: if we used, say, ARM or x86_64 Amazon cloud instances > > as builders, could we build fast enough under QEMU emulation to work? We > > have a nice early advantage, but if we don't keep moving, we'll lose that. > > > > But beyond that: What other things might be limits? Are there key bits of > > the distro which don't build yet? Is there a big enough risc-v team to > > respond to arch-specific build failures? And, do we have enough people to do > > QA around release time? > > Well, one big thing is that it's been a while since we had any secondary > arches and it's unclear how they would work today. In the distant past > secondary arches had their own koji and builders and composes and > releases and used koji-shadow to try and match up with primary koji. > This was basically more than a full time job for someone and I am sure > koji-shadow has atrophied in recent years, but perhaps at least some > subset could be made to work again. > > On the other hand we could just add it into primary koji, but then it > really really has to keep up or it's going to block everything else. > > So, probibly a 'secondary' koji and builders to start with to bootstrap > and to gather info on how hard it is to keep up and good emulation is > would be worthwhile, but it's gonna need some dedicated work. > > Perhaps we could get a up to date status report from folks working on > this, answering such questions as: > > * How good is emulation support
The lack of real hardware for RISC-V has made it so almost everyone is working with emulation. It's not realistic right now to work with real hardware. > * What would it take to keep up with the other arches? Is that possible? The real hardware options do not have the performance to keep up with the other architectures. > * What device(s) would we want to target and could we get sufficent > numbers of them for QA and devel folks to debug problems and test? This is probably more of a question for Fedora RISC-V folks like Richard W.M. Jones... > * Are there folks who can bootstrap/shepard the koji shadowing process? > We already have the other Koji instance that could be converted into a shadow Koji, couldn't it? -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
