cygwin 1.7.15: svn disk I/O error

[Warren Young]

On 6/14/2012 4:00 PM, Garrison, Jim (ETW) wrote:
>> Why would you think that a disk I/O error was either anti-virus or
>> Cygwin related and not... a disk I/O error?  Have you looked in your
>> event logs for errors?
>
> It is indeed AV related -- a race between SQLite and AV

That's one possibility, but check this out:

	http://stackoverflow.com/questions/11007024/

tl;dr: someone made the problem go away by rolling my recent 3.7.12 
release back to the prior 3.7.3 version.

I doubt the problem is in the upstream changes between .3 and .12.  I'm 
more worried about the build option changes.  SQLite has a lot of 
Windows-specific code in it, plus some Cygwin-specific code, too.  The 
build changes override some things to force it to believe it's being 
built for a more generic POSIX type system.

It may be both things: the build option changes that force more I/O 
calls to go through Cygwin instead of direct to the Win32 API could be 
tickling BLODA bugs.

Yet another possibility is that the build option changes cause a subtle 
ABI change that will be fixed when SVN is rebuilt against it.

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