[pptp-server] what does this mean

[Brian Denheyer]

We definitely seem to be having reasonably reproducible problems with pptp.

Can anybody tell me what these error messages mean, or where they
might come from ?

Sep 20 08:29:24  pptpd[24120]: GRE: read(fd=5,buffer=804d9c0,len=8196) from
 PTY failed: status = -1 error = Input/output error
Sep 20 08:29:24  pptpd[24120]: CTRL: PTY read or GRE write failed (pty,gre)
=(5,6)
Sep 20 08:29:24  pptpd[24120]: CTRL: Client 12.72.37.31 control connection 
finished

Brian