RE: [PATCH v2]Btrfs: pwrite blocked when writing from the mmaped buffer of the same page

2011-02-20 Thread Zhong, Xin
The backtrace in your attachment looks like a known bug of 2.6.37 which have already been fixed in 2.6.38. I have no idea why latest btrfs still hang in your environment if there's no debug info... -Original Message- From: Maria Wikström [mailto:ma...@ponstudios.se] Sent: Friday, Februa

Cannot set-default back to ID 0

2011-02-20 Thread Bernhard Schmidt
Hi, a recent Ubuntu upgrade killed my system. Luckily I had done a btrfs snapshot before, so I set the particular subvolume as default using # btrfs subvolume set-default 261 /mnt from a rescue system and was back up in no time. I then mounted the original volume with subvolid=0 and repaired it.

bad tree block start

2011-02-20 Thread Maria Wikström
Hi, the computer froze for a few seconds then this appeared in the log: btrfs bad tree block start 9407756905013237084 32178176 There was no other messages from btrfs. I can mount, unmount, read, write and all the data seems to be there. What does it mean? My guess is that there was some kind of

Re:

2011-02-20 Thread Maria Wikström
sön 2011-02-20 klockan 13:22 +0100 skrev Christian Brunner: > subscribe You probably want to send subscribe linux-btrfs to majord...@vger.kernel.org instead :) // Maria -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.

Re: [Bugme-new] [Bug 29302] New: Null pointer dereference with large max_sectors_kb

2011-02-20 Thread Tomas Zvala
On 18.2.2011 21:18, Chris Mason wrote: Ok, so it isn't part of the open devices code that prints errors, my guess is we're failing to read a good super. Could you please mkfs.btrfs /dev/xxx, sync, then btrfsck /dev/xxx, I want to make sure things are really getting written. Here's a patch that