Re: GPF in read_extent_buffer while scrubbing on 3.7.0-rc8-00014-g27d7c2a

2013-01-03 Thread Jan Schmidt
Hi Mathieu, Sorry for the late reply. I had quite a good reproducer once for what I suspect may be your problem here - but it suddenly stopped reproducing the problem and I still haven't figured out why. (see https://patchwork.kernel.org/patch/1773611/ if you're interested) Can you please give

Re: GPF in read_extent_buffer while scrubbing on 3.7.0-rc8-00014-g27d7c2a

2012-12-14 Thread Mathieu Chouquet-Stringer
Hi, Anyone has any idea about what I should try next regarding this bug? On Mon, Dec 10, 2012 at 11:21:25PM +0100, Mathieu Chouquet-Stringer wrote: after enabling page alloc and slub debug, I was able to capture an error followed by the usual GPF. More below. On Thu, Dec 06, 2012

Re: GPF in read_extent_buffer while scrubbing on 3.7.0-rc8-00014-g27d7c2a

2012-12-10 Thread Mathieu Chouquet-Stringer
Hi again, after enabling page alloc and slub debug, I was able to capture an error followed by the usual GPF. More below. On Thu, Dec 06, 2012 at 03:34:58PM +0100, Mathieu Chouquet-Stringer wrote: Using the last couple of kernels (3.6 or 3.7), scrubbing my btrfs fs (which is on a luks

GPF in read_extent_buffer while scrubbing on 3.7.0-rc8-00014-g27d7c2a

2012-12-06 Thread Mathieu Chouquet-Stringer
Hello, Using the last couple of kernels (3.6 or 3.7), scrubbing my btrfs fs (which is on a luks based lvm device) will always end up crashing my pc. The error (screenshot: http://mathieu.csetco.com/btrfs-scrub-crash.jpeg) looks very similar to this crash (that's why I'm Cc'ing Sami):