X-Recipient:	archive-cygwin AT delorie DOT com
X-Spam-Check-By:	sourceware.org
Message-ID:	<2877.139.153.254.191.1217345552.squirrel@www.cs.stir.ac.uk>
In-Reply-To:	<20080729151626.GF29031@calimero.vinschen.de>
References:	<2870 DOT 139 DOT 153 DOT 254 DOT 191 DOT 1217245935 DOT squirrel AT www DOT cs DOT stir DOT ac DOT uk> <20080728123114 DOT GM29031 AT calimero DOT vinschen DOT de> <1399 DOT 139 DOT 153 DOT 254 DOT 191 DOT 1217336060 DOT squirrel AT www DOT cs DOT stir DOT ac DOT uk> <20080729134843 DOT GY29031 AT calimero DOT vinschen DOT de> <2536 DOT 139 DOT 153 DOT 254 DOT 191 DOT 1217343309 DOT squirrel AT www DOT cs DOT stir DOT ac DOT uk> <20080729151626 DOT GF29031 AT calimero DOT vinschen DOT de>
Date:	Tue, 29 Jul 2008 16:32:32 +0100 (BST)
Subject:	Re: opendir/readdir failure on non-Samba Unix-hosted remote volumess
From:	"Sam Nelson" <sam AT cs DOT stir DOT ac DOT uk>
To:	cygwin AT cygwin DOT com
Reply-To:	sam AT cs DOT stir DOT ac DOT uk
User-Agent:	SquirrelMail/1.4.9a
MIME-Version:	1.0
X-stir.ac.uk-MailScanner:	Found to be clean
X-stir.ac.uk-MailScanner-From:	sam AT cs DOT stir DOT ac DOT uk
X-IsSubscribed:	yes
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

On Tue, July 29, 2008 16:16, Corinna Vinschen wrote:
> On Jul 29 15:55, Sam Nelson wrote:
>> On Tue, July 29, 2008 14:48, Corinna Vinschen wrote:
>> > I don't know
>> > how much time you want to invest, but if you want to, you will have to
>> > dig deeper:
>> >
>> > - First of all, disable setting dir->__flags |= dirent_get_d_ino in
>> >   fhandler_disk_file::opendir at line 1570.  This disables the
>> >   FileIdBothDirectoryInformation call entirely, so only the
>> >   FileBothDirectoryInformation call is left.
>>
>> Sorted!  As of that commenting out, `ls' works.  `echo *' is a bit more
>> Unix-like than it has been for a while, as well.  `strace ls' appears
>> trouble-free.
>
> What a luck.  So just using the info class FileIdBothDirectoryInformation
> plays havoc with TAS.  For the time being, I suggest to keep the above
> setting disabled and use that tweaked Cygwin in your environment.

I guess I can arrange that.  Building it from source turned out to be
relatively close to `as easy as falling off a log'.

> Here's one additional test I'd like to ask you to do for the sake of
> Cygwin 1.7.  Please replace the FileBothDirectoryInformation with
> FileDirectoryInformation and strace it again.  You'll suffer the crash,
> but until then, does the NtQueryDirectoryFile return successfully?

This will have to be tomorrow.

>> So, then, to whom do I have to be Really, Really Nice, to make that
>> official?
>
> That would be me.  I can add a special case for file systems choking on
> FileIdBothDirectoryInformation.

I'll look forward to it.
-- 
SAm.

-- 
Academic Excellence at the Heart of Scotland.
The University of Stirling is a charity registered in Scotland, 
 number SC 011159.


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -