Re: futex_wake_op deadlock?

[Ralf Baechle <ralf@linux-mips.org>]

On Fri, Nov 16, 2007 at 03:52:47PM -0800, Kaz Kylheku wrote:

> From time to time, on 2.6.17.7, I see a deadlock situation go off. The
> soft lockup tick occurs in the middle of do_futex, which is heavily
> inlined.  The system is actually hosed; it's not one of those
> recoverable CPU busy situations that can sometimes trigger the lockup
> detector.

Can you reproduce thing hang also if you're not running in a binary compat
mode, that is either running o32 binaries on a 32-bit kernel or 64-bit
binaries on a 64-bit kernel?

  Ralf