On Monday 2012-03-26 03:42, Liu Bo wrote:

On 03/23/2012 08:07 PM, Jan Engelhardt wrote:

quoted

Observed on Linux 3.2.9 after the controller/disk flaked in-out.
(The world still needs a SCSI error decoding tool to tell normal people 
what cmd and res are about.)

I'm not that sure if your 3.2.9-jng4-default build contains this commit or not:

commit 8bedd51b6121c4607784d75f852828d25d119c52
(Btrfs: Check for NULL page in extent_range_uptodate)

8bedd isn't in 3.2.9; thanks for the hint, I will try that one.