I had a number of similar btrfs balance crashes in the past few days, but the disk wasn't full. You should try tailing the system logs from a remote machine when it happens. You'll likely see some bug info before the system dies and becomes unusable.
The issue I encountered is described @ https://bugzilla.kernel.org/show_bug.cgi?id=105681 ᐧ On Wed, Oct 21, 2015 at 12:38 PM, Jakob Schürz <[email protected]> wrote: > Hi there! > > Is it possible, what i've recognized now. My system (debian) runs on > btrfs, and i have a lot of snapshots on my hard-disk. > Since some days my system freezes totally. I recognized, it always > happens during btrfs-balance. > > So i deleted some of the old snapshots and tried another balance-run. > Nothing happened... No system-freeze. > > System-freeze means: No Keyboard-action. The Mouse is frozen, the screen > is frozen, no magic-sysreq, no ssh-login. > > Can btrfs cause such a freeze?? > > greez > > jakob > -- > http://xundeenergie.at > http://verkehrsloesungen.wordpress.com/ > http://cogitationum.wordpress.com/ > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to [email protected] > 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
