Kernel 2.6.30.4 loop(..?) regression (& with/2.6.31-rc6)

[Justin Piszcz]

On Fri, 28 Aug 2009, Justin Piszcz wrote:
>
> On Wed, 26 Aug 2009, Justin Piszcz wrote:
>
>> On Wed, 26 Aug 2009, Christoph Hellwig wrote:
>> 
>>> On Wed, Aug 26, 2009 at 05:19:11PM -0400, Justin Piszcz wrote:

Christoph,

Now 6 days without any problems using -o nobarrier.

$ uptime
  07:43:55 up 6 days, 14:12,  1 user,  load average: 0.00, 0.00, 0.00

So -o nobarrier is a workaround for the issue.  How / what debug settings
should be enabled to catch the bug/problem when -o nobarrier is used?

Justin.