xfs deadlock in stable kernel 3.0.4

[Christoph Hellwig]

On Tue, Sep 20, 2011 at 07:23:00PM +0200, Stefan Priebe - Profihost AG wrote:
> >  - what is the fs geometry?
> What do you exactly mean? I've seen this on 1TB and 160GB SSD
> devices with totally different disk layout.

The output of mkfs.xfs (of xfs_info after it's been created)

> >Note that 2.6.38 moved the whole log grant code to a lockless algorithm,
> >so this might be a likely culprit if you're managing to hit race windows
> >no one else does, i.e. this really is a timing issue.
> I'm nearly willing todo anything to solve this. What can i do to
> help. My last hope from today was to get some code lines with kgdb -
> sadly it does not happen at all when kgdb is attached ;-(

I'll run tests on a system with a pci-e flash device today.  Just to
make sure we are on the same page, can you give me your kernel .config
in addition to the mkfs output above?