Fails on Antergos Linux 4.8.2-1-ARCH #1 SMP PREEMPT Mon Oct 17 08:11:46 CEST 2016 x86_64 GNU/Linux
btrfs-progs v4.8.1 On Mon, Oct 10, 2016 at 10:05 PM, Chris Murphy <li...@colorremedies.com> wrote: > On Mon, Oct 10, 2016 at 12:42 PM, Roman Mamedov <r...@romanrm.net> wrote: >> On Mon, 10 Oct 2016 10:44:39 +0100 >> Martin Dev <mrturtle...@gmail.com> wrote: >> >>> I work for system verification of SSDs and we've recently come up >>> against an issue with BTRFS on Ubuntu 16.04 >> >>> This seems to be a recent change >> >> ...well, a change in what? >> >> If you really didn't change anything on your machines and the used process, >> there is no reason for anything to start breaking, other than obvious >> hardware >> issues from age/etc (likely not what's happening here). >> >> So you most likely did change something yourself, and perhaps the change was >> upgrading OS version, kernel version(!!!), or versions of software in >> general. >> >> As such, the first suggestion would be go through the recent software updates >> history, maybe even restore an OS image you used three months ago (if >> available) and confirm that the problem doesn't occur there. After that it's >> a >> process called bisecting, there are tools for that, but likely you don't even >> need those yet, just carefully note when you got which upgrades, paying >> highest attention to the kernel version, and note at which point the >> corruptions start to occur. > > > There have been various trim bugs, in Btrfs but also in the block > layer. And I don't remember all the different versions involved. I'd > like to think 4.4.24 should behave the same as 4.8.1, so I would > retest with those two, using something without ubuntu specific > backports (i.e. something as close to the kernel.org trees of those > versions as possible). I have no idea what Ubuntu generic 4.4.0-21 > translates into. Because of the 0, it makes me think it's literally > 4.4.0 with 21 sets of various backports, from some unknown time frame > without going and looking it up. If that's really 4.4.21, then it's > weirdly named, I don't know why any distro would do that. > > In any case I would compare 4.8.1 and 4.4.24 because those two should > work and if not it's a bug that needs to get fixed. Independently, > check the SSD firmware. There have been bugs there also. > > -- > Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html