On 15/02/2021 19:47, Gary Buhrmaster wrote: > On Mon, Feb 15, 2021 at 6:39 PM Dan Horák <dan@xxxxxxxx> wrote: > >> The open question still is whether we should try to keep 64k as default >> as it would allow to find the remaining bugs and offer 4k kernel variant >> (COPR for ppc64le should be coming back soon), similar for the >> installer (a new remix/spin). After BTRFS removes the page size >> dependency, switching the kernels shouldn't cause any issues for users. > > I think it may be instructive to look at the enabling IPv6 > had on the entire ecosystem (and going to ipv6-first > networking). Which definitely broke things (and there > remain, in the greater world, lots of things still broken > when IPv6 is enabled). However, if we still used ipv4-first > networking even more would almost certainly still be > broken, because no one would experience or report > the issues with IPv6. > > If you agree that fixing the 64K bugs are important > (and I personally think they are), you need to go > 64K first to get the reports, and get the fixes. The problem is that not all ppc64le bugs are related to page size I was recently looking at ffmpeg issues[1] that happen on any page size, that is now fixed and it also fixes issues in Blender. Going to 4k page size, we effectively drain the swamp to the half-water mark. Some bugs will go away, other bugs will still be there. The volume of workstation bugs is actually quite intimidating. Even for somebody with a lot of experience, it takes away a certain amount of energy. Some users and maybe even some developers will spend so much time on hacks and workarounds that they have no time or energy left to report the bugs, bisect them or even fix them. But I do agree that we can't avoid 64k indefinitely. If there is a way to support both page sizes and run unit tests for all packages on both that would be really useful. In addition to unit tests, it would be useful to have a manual check on Firefox, Thunderbird, LibreOffice, etc before each major release on 64k. 64k issues for ppc64le will also get more attention when other architectures go 64k, then we won't have all the pressure on ppc64le users. IPv6 was for every architecture so the effort was spread a lot more widely. Regards, Daniel 1. https://trac.ffmpeg.org/ticket/9077 _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
