xfs deadlock on buffer semaphore while reading directory

[Stan Hoeppner]

On 2/3/2013 12:35 AM, Linda Walsh wrote:

> Odd thing about my current probs -- my current system has been
> up 12 days...but before that it had been up 43 days...

Linux greer 3.2.6 #1 SMP Mon Feb 20 17:05:10 CST 2012 i686 GNU/Linux
 10:13:13 up 339 days, 22:42,  1 user,  load average: 0.06, 0.06, 0.05

This is a hand rolled 'minimalist' kernel with the old SLAB allocator,
no modules, Debian 6 atop.  Just over 11 months of flawless operation,
though load is probably much lighter than on your system.

> I can't get the buffers to 'free' no matter what
> echo 3> /proc/sys/vm/drop_caches does nothing.

That's interesting.

> so I may be rebooting soon...

Did you roll this 3.7.1 yourself?  I'm wondering if you did something
wonky in your config that's causing or contributing to your problems.

-- 
Stan