Le 21/08/2016 à 17:39, Jean-Denis Girard a écrit : > Hi list, > > After upgrading my Fedora 23 system from 4.4.12 to 4.7.2, I'm seeing one > btrfs-cleaner process stuck at 100% CPU. The problem disappears when > going back to 4.4 kernel (4.4.17), but is also present with Fedora > kernel 4.6.6-200.fc23. Just for the archives, I found that the problem was related to fragmentation. Mounting without autodefrag on 4.7.2 avoided btrfs-cleaner stuck at 100 % CPU. Then I did manually defragment all Btrfs volumes, and could then remount with autodefrag. Every thing is ok after ~12 hours uptime. Thanks, -- Jean-Denis Girard SysNux Systèmes Linux en Polynésie française https://www.sysnux.pf/ Tél: +689 40.50.10.40 / GSM: +689 87.797.527 -- 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
