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Re: setup hangs during postinstall

Christopher Faylor wrote:
>On Wed, Oct 08, 2003 at 12:49:44PM -0400, Igor Pechtchanski wrote:
>>This is a known bug (as a search of the recent archives would have
>>shown).  People are investigating.  As a short term workaround, you can
>>"mv /etc/postinstal/{,.done}" and rerun setup.
>I sure wish I could duplicate this bug...
Well, I can.

I've got an XP box running a current CVS compiled cygwin DLL,
a current CVS compiled cygpath, and a just downloaded setup stuck
reinstalling XFree86-bin-icons.  I attached gdb to cygpath and got the

It looks to me like the stack is corrupted, but I'm probably just being
naive.  I included all three thread backtraces just in case anyone can
see anything.  Let me know if have any better idea about how to track this

(gdb) info threads
  3 thread 1920.0x4f0  0x77f75a59 in ntdll!DbgUiConnectToDbg ()
   from /cygdrive/c/WINDOWS/System32/ntdll.dll
  2 thread 1920.0x6e4  0x7ffe0304 in ?? ()
* 1 thread 1920.0x760  0x7ffe0304 in ?? ()
(gdb) thread 1
[Switching to thread 1 (thread 1920.0x760)]#0  0x7ffe0304 in ?? ()
(gdb) bt
#0  0x7ffe0304 in ?? ()
#1  0x77f5c524 in ntdll!ZwWaitForMultipleObjects ()
   from /cygdrive/c/WINDOWS/System32/ntdll.dll
#2  0x77e75ee0 in WaitForMultipleObjectsEx ()
   from /cygdrive/c/WINDOWS/system32/kernel32.dll
#3  0x00000003 in ?? ()
#4  0x0022e13c in ?? ()
#5  0x00000001 in ?? ()
(gdb) thread 2
[Switching to thread 2 (thread 1920.0x6e4)]#0  0x7ffe0304 in ?? ()
(gdb) bt
#0  0x7ffe0304 in ?? ()
#1  0x77f5bfb4 in ntdll!ZwReadFile ()
   from /cygdrive/c/WINDOWS/System32/ntdll.dll
#2  0x77e7abbd in ReadFile () from /cygdrive/c/WINDOWS/system32/kernel32.dll
#3  0x00000768 in ?? ()
(gdb) thread 3
[Switching to thread 3 (thread 1920.0x4f0)]#0  0x77f75a59 in ntdll!DbgUiConnectToDbg () from /cygdrive/c/WINDOWS/System32/ntdll.dll
(gdb) bt
#0  0x77f75a59 in ntdll!DbgUiConnectToDbg ()
   from /cygdrive/c/WINDOWS/System32/ntdll.dll
#1  0x77f5f31f in ntdll!KiUserCallbackDispatcher ()
   from /cygdrive/c/WINDOWS/System32/ntdll.dll
#2  0x00000005 in ?? ()
#3  0x00000004 in ?? ()
#4  0x00000001 in ?? ()
#5  0x003fffd0 in ?? ()
#6  0x85e0d020 in ?? ()
#7  0xffffffff in ?? ()
#8  0x77fa88f0 in wcstombs () from /cygdrive/c/WINDOWS/System32/ntdll.dll

Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
Phone: 314-551-8460
Fax:   314-551-8444

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