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From:	"Dave Korn" <dk AT artimi DOT com>
To:	"'Max Bowsher'" <maxb AT ukf DOT net>,
	"'Luke Kendall'" <luke DOT kendall AT cisra DOT canon DOT com DOT au>, <cygwin AT cygwin DOT com>
Subject:	RE: What to do when setup fails?
Date:	Wed, 10 Nov 2004 13:16:02 -0000
MIME-Version:	1.0
In-Reply-To:	<025801c4c6bd$75306140$e6ec6f83@robinson.cam.ac.uk>
Message-ID:	<NUTMEGUf2d9zGeMiDzq0000061c@NUTMEG.CAM.ARTIMI.COM>
X-OriginalArrivalTime:	10 Nov 2004 13:16:02.0390 (UTC) FILETIME=[6D41D760:01C4C727]
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> -----Original Message-----
> From: cygwin-owner On Behalf Of Max Bowsher
> Sent: 10 November 2004 00:37
> To: Luke Kendall; cygwin
> Subject: Re: What to do when setup fails?
> 
> Luke Kendall wrote:
> > I recently found another system that Cygwin setup failed on 
> > every time.
> >
> > I'm installing from a local mirror for which all the 
> > checksums are good.
> >
> > It fails due to mount, apparently.  A panel titled "Mount" pops up
> > after the download stage, saying: "The operation completed
> > successfully", and then setup exits.
> >
> > I tried several times, with failures pretty consistent but 
> > just small variations on this theme.
> 
> Bizarre. I've noted this in setup's bug tracker for attention when my 
> university work eases off.


From mount.cc:

void
create_mount (String const posix, String const win32, int istext,
	      int issystem)
{
  char buf[1000];
  HKEY key;
  DWORD disposition;
  DWORD flags;

  remove_mount (posix);

  snprintf (buf, sizeof(buf), "Software\\%s\\%s\\%s\\%s",
	   CYGWIN_INFO_CYGNUS_REGISTRY_NAME,
	   CYGWIN_INFO_CYGWIN_REGISTRY_NAME,
	   CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, posix.cstr_oneuse ());

  HKEY kr = issystem ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
  if (RegCreateKeyEx (kr, buf, 0, (char *)"Cygwin", 0, KEY_ALL_ACCESS,
		      0, &key, &disposition) != ERROR_SUCCESS)
    fatal ("mount");


  Luke, if setup is failing to create that key, you must be trying to install
for all users while running as a user with inadequate rights, mustn't you?  The
attached patch would tell you what the actual error code was, if you felt like
rebuilding setup.

    cheers, 
      DaveK
-- 
Can't think of a witty .sigline today....

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Index: mount.cc
===================================================================
RCS file: /cvs/cygwin-apps/setup/mount.cc,v
retrieving revision 2.16
diff -p -u -r2.16 mount.cc
--- mount.cc	11 Jul 2003 22:48:14 -0000	2.16
+++ mount.cc	10 Nov 2004 10:28:02 -0000
@@ -153,7 +153,11 @@ create_mount (String const posix, String
   HKEY kr = issystem ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
   if (RegCreateKeyEx (kr, buf, 0, (char *)"Cygwin", 0, KEY_ALL_ACCESS,
 		      0, &key, &disposition) != ERROR_SUCCESS)
-    fatal ("mount");
+  {
+  char errbuffer[40];
+    _snprintf (errbuffer, 40, "mount %d", GetLastError ());
+    fatal (errbuffer);
+  }
 
   RegSetValueEx (key, "native", 0, REG_SZ, (BYTE *) win32.cstr_oneuse (),
 		 win32.size () + 1);


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