Problem with 2.1.10 hanging

[Alan DeKok]

David Mitchell wrote:
> My 2.1.10 server I got compiled has a problem where it hangs after a few
> hours. I'm not sure if it's related to the number of requests it's
> processed or not. It's happened three times so far. Restarting the
> server always gets it working again. Using tcpdump I can confirm that
> it's receiving requests from the NAS but not processing them. Using
> strace I can see that it's stuck on a futex:
> 
> write(1, "Wed Aug 25 16:13:45 2010 : Info: "..., 70) = 70
> futex(0x827fe88, FUTEX_WAIT_PRIVATE, 2, NULL

  It's blocked in a write?  Weird...

  See doc/bugs.  You should be able to run it under gdb.  Then when it's
blocked, hit <CTRL>-C, and do "bt".  That should show *which* mutex is
locked.

> Alan, let me know if you'd rather have this type of thread on the
> Developer list instead of the User list. Thanks,

  That's probably the better place.

  Alan DeKok.