Re: Blocked tasks on 3.15.1, raid1 btrfs is no ends of trouble for me

2014-07-18 Thread Marc MERLIN
On Sat, Jul 19, 2014 at 11:59:24AM +1000, Chris Samuel wrote: > On Fri, 18 Jul 2014 05:44:57 PM Marc MERLIN wrote: > > > Sorry, this may be a bit misleading. I actually lost 2 filesystems that > > were raid0 on top of dmcrypt. > > Stupid question I know, but does this happen without dmcrypt? It'

Re: Blocked tasks on 3.15.1, raid1 btrfs is no ends of trouble for me

2014-07-18 Thread Chris Samuel
On Fri, 18 Jul 2014 05:44:57 PM Marc MERLIN wrote: > Sorry, this may be a bit misleading. I actually lost 2 filesystems that > were raid0 on top of dmcrypt. Stupid question I know, but does this happen without dmcrypt? cheers, Chris -- Chris Samuel : http://www.csamuel.org/ : Melbourne, VI

Re: Blocked tasks on 3.15.1, raid1 btrfs is no ends of trouble for me

2014-07-18 Thread Marc MERLIN
TL;DR: 3.15.5 (or .1 when I tried it) just hang over and over again in multiple ways on my server. They also hang on my laptop reliably if I enable kmemleak, but otherwise my laptop mostly survives with 3.15.x without kmemleak (although it does deadlock eventually, but that could be after days/week

Re: Blocked tasks on 3.15.1, raid1 btrfs is no ends of trouble for me

2014-07-18 Thread Marc MERLIN
On Fri, Jul 18, 2014 at 05:33:45PM -0700, Marc MERLIN wrote: > Howver, I have found that btrfs raid 1 on top of dmcrypt has given me no ends > of trouble. > I lost that filesystem twice due to corruption, and now it hangs my machine > (strace finds > that df is hanging on that partition). > garga

Re: Blocked tasks on 3.15.1, raid1 btrfs is no ends of trouble for me

2014-07-18 Thread Marc MERLIN
On Thu, Jul 17, 2014 at 09:18:07AM -0400, Chris Mason wrote: > > [ deadlocks during rsync in 3.15 with compression enabled ] > > Hi everyone, > > I still haven't been able to reproduce this one here, but I'm going > through a series of tests with lzo compression foraced and every > operation for