Bug#428050: unfinite loop inside xdm

[Aleksey Cheusov <vle@gmx.net>]

 >> After a few days of normal work xdm hangs and doesn't respond to the remote
 >> xdmcp queries anymore. It wastes CPU and does nothing.
 >> I strace it, look below.
 >> 
 >> cheusov@syn-proc:~$ sudo strace -p 4319 2>&1 | head
 >> Process 4319 attached - interrupt to quit
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> read(5, "", 4096)                       = 0
 >> cheusov@syn-proc:~$
 >> 
 >> I used 'head' here because the list of read calls is unfinite.
 >> 
> Hi Aleksey,

> sorry for the late reply.  Do you still experience this problem with
> xdm?  If this is the case, could you attach gdb to the xdm process and
> get a backtrace, so we know where it's stuck?

After upgrade to xdm-1.1.4-3 I don't see this problem anymore.
If I'll see it again, I show backtrace.

-- 
Best regards, Aleksey Cheusov.