Thank you for your answer. I will reformat the disk with a 3.10 kernel in the meantime, because I don't have any rpms for 3.16 now. On Tue, Oct 21, 2014 at 2:26 PM, Duncan <1i5t5.duncan@xxxxxxx> wrote: > Cristian Falcas posted on Tue, 21 Oct 2014 11:13:48 +0300 as excerpted: > >> Can I downgrade the kernel from 3.17.1 to latest 3.10 if I have a btrfs >> partition formatted and used on 3.17.1? >> >> I mean, is there something that could go wrong with the fs if suddenly I >> use an older kernel? >> >> I want to downgrade because last night we had some 1200 oops's in 1 hour >> on the 3.17 kernel related to "CPU#n stuck" and what seems to be btrfs >> work: > > You definitely don't want to downgrade that far -- there's way too many > btrfs fixes since then and you'd be needlessly risking your data. > > Much more viable would be to downgrade to the latest 3.16.x stable kernel > (definitely not 3.16.0 or 3.16.1 as they had an open issue much like > 3.17.0 does), and then upgrade to the latest 3.17.x in a couple weeks, as > there's some critical stable fixes in the pipeline for it. > > Or if you must, 3.14.x is the latest long-term-stable series, and is > continuing to get btrfs-stable patches along with the other stable > patches it gets. > > But I'd definitely not recommend reverting to older than 3.14.x stable > series, because even if it's a stable series and they catch and apply to > stable all the patches that ideally need to be applied back that far, if > you have problems, what you'd be running is simply too far back in > history to get much support on this list for. > > Also, keep in mind that the btrfs-is-experimental warnings didn't come > off until 3.12 or so. Any btrfs older than that was officially > experimental when it came out, and even if it's a long-term-stable > kernel, no stable series patches are going to remove the still > experimental nature of btrfs in a kernel that old. > > So 3.10, no way if it were /my/ data! Latest 3.14.x stable, I'd > consider. But preferably step back to the latest 3.16.x (past 3.16.2 for > sure) temporarily, and try latest 3.17.x again in a couple weeks (or 3.18- > live-git now) as there's some critical fixes for 3.17-stable now in 3.18 > and still making their way to the stable releases. > > -- > Duncan - List replies preferred. No HTML msgs. > "Every nonfree program has a lord, a master -- > and if you use the program, he is your master." Richard Stallman > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
