Re: xterm access violations (again)

[Christopher Faylor <cgf-use-the-mailinglist-please at cygwin dot com>]

On Mon, Apr 04, 2011 at 02:27:27PM +0100, Jon TURNEY wrote:
>On 01/04/2011 17:05, Jim Reisert AD1C wrote:
>> On Sun, Mar 27, 2011 at 1:50 PM, Jim Reisert AD1C wrote:
>>> On Sat, Mar 26, 2011 at 12:35 PM, Christopher Faylor wrote:
>>>> Could someone try this with the latest snapshot?  I haven't made any
>>>> changes but I just want to confirm that it still fails with something
>>>> close to what will become Cygwin 1.7.9.
>>>>
>>>> http://cygwin.com/snapshots/
>>>>
>>>> You just have to replace the DLL.  Don't bother with a "cygwin-inst*"
>>>> tarball.
>>>
>>> Yes, still there:
>> 
>> How can I/we assist in debugging this problem?  First we need to
>> determine where the problem lies, whether it's in Cygwin itself, or
>> xterm. Today it took me 3-4 tries to get an xterm up.  As I was
>> running late for work, it was kind of frustrating.
>
>I think you could:
>
>1. Obtain the cygwin1.dbg file corresponding to your cygwin1.dll (for
>snapshots, it is available from the snapshot page, for releases, I believe it
>is in the corresponding cygwin src package), and place it next to your cygwin1.dll
>2. Run xterm under gdb
>3. Obtain a backtrace when the segv occurs
>4. Diagnose the problem
>5. Write and test a patch to fix it
>
>You'll probably want to refer to [1] for that last step. :-)
>
>[1] http://cygwin.com/contrib.html

FWIW, I know what is causing the problem but not how to fix it.  It's
similar to

http://cygwin.com/ml/cygwin/2011-04/msg00001.html

Rebasing should fix that particular problem but it's not a panacea.

cgf

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