Re: Remounting read-write after error is not allowed

2017-04-18 Thread Alexandru Guzu
So you think this might be a bug in the Kernel? In fact I wanted to try with a newer kernel, but could no longer reproduce the issue. In addition, I did a scrub on the partition and there were no errors. So wither there was some transient disk issue that affected only that partition, or there is a

Re: Remounting read-write after error is not allowed

2017-04-17 Thread Liu Bo
On Mon, Apr 17, 2017 at 02:00:45PM -0400, Alexandru Guzu wrote: > Not sure if anyone is looking into that segfault, but I have an update. > I disconnected the USB drive for a while and today I reconnected it > and it auto-mounted with no issue. > > What is interesting is that the drive letter

Re: Remounting read-write after error is not allowed

2017-04-17 Thread Alexandru Guzu
Not sure if anyone is looking into that segfault, but I have an update. I disconnected the USB drive for a while and today I reconnected it and it auto-mounted with no issue. What is interesting is that the drive letter changed to what is was before when it was working. Remember that in my first

Re: Remounting read-write after error is not allowed

2017-04-14 Thread Alexandru Guzu
Thanks for the reply. I mounted it ro: $ sudo btrfs fi show /mnt Segmentation fault (core dumped) dmesg says: ... kernel BUG at /build/linux-wXdoVv/linux-4.4.0/fs/btrfs/ctree.c:5205! ... RIP: 0010:[] [] btrfs_search_forward+0x268/0x350 [btrfs] ... Call Trace: []

Re: Remounting read-write after error is not allowed

2017-04-14 Thread Chris Murphy
Can you ro mount it and: btrfs fi show /mnt btrfs fi df /mnt And then next update the btrfs-progs to something newer like 4.9.2 or 4.10.2 and then do another 'btrfs check' without repair. And then separately do it again with --mode=lowmem and post both sets of results? Chris Murphy -- To

Remounting read-write after error is not allowed

2017-04-13 Thread Alexandru Guzu
Hello, I am not sure how to better summarize this but I'll give a more detailed description. I am using btrfs tools v4.4, I setup up a btrfs partition on an external USB2 drive and I started to play with it. The partition was about HALF full when I decided to run duperemove on it. This took a