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Re: "no buffer space available" on Win2K [cgf, please comment]


Vince,

Vince Hoffman wrote:
If its of any interest i can now definatley duplicate my problem on my box
without involving X at all. (It does seem to involve cygwin but i'm hoping i
can verify that and get something more concrete before i start bugging any
lists again.)

Yes, I did a search on google for Cygwin and WSAENOBUFS last night:


http://www.google.com/search?&q=cygwin+WSAENOBUFS
(Note: You will need to look at "cached" copies of most links.)


This turned up a wealth of info, including the fact that this problem has struck XWin.exe before. We had applied a fix that had mostly taken care of the problem, but it apparently did not completely fix the problem. Cygwin's DLL has also been changed in response to this problem a few times in the past. The way I see it, one of two things is happening:


1) Kylix exemplifies that the problem in either XWin.exe or Cygwin proper was never completely fixed. Rather, the problem always existed but only a few applications can cause it to occur.

2) There has been a regression in Cygwin proper or XWin.exe. I kind of doubt the latter since the original fix that was applied is still in my local tree.


Of these two, I feel that #1 is most likely. Someone that monitors Cygwin proper more closely will need to comment on whether #2 is likely based on recent changes. [Chris - Got any input?]



Note that the google search above returns lots of info about how this problem has exemplified itself in other apps running on Cygwin, notably squid. So, while the problem may not be isolated to XWin.exe, we can still probably try to do something on our part that will minimize the impact of the problem. That will require lots of code auditing and debugging, which I am not sure will happen.



Harold



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