Debugging under SMP problem

Michael V. Nikolaev
Thu Jun 29 15:13:00 GMT 2000

What Cygwin components do you mean? I installed all software from (directory "latest"). I also tried to solve the problem with cygwin1.dll from the CVS snapshot (22-jun-2000). Unfortunately with no success. By the way my previous mail contains cygcheck results attached.

Best regards,
----- Original Message ----- 
From: "Chris Faylor" <>
To: "Cygwin" <>
Sent: 29 ?????? 2000 ?. 19:16
Subject: Re: Debugging under SMP problem

> It sounds like you're not running cygwin 1.1.2.  A bug similar to this
> was fixed there.
> cgf
> On Thu, Jun 29, 2000 at 03:00:13PM +0300, Michael V. Nikolaev wrote:
> >I have latest Cygwin release installed under Windows NT server 4.0 (SP
> >6a) with dual Pentium II processors (cygcheck output is attached).
> >When I trying to debug (with latest gdb) any program (just "main(){}")
> >I get the following exception:
> >
> >Program received signal SIGSEGV, Segmentation fault.
> >0x77f6ce4c in ?? ()
> >
> >The executed instruction is "incl 0x10(%eax)" in NTDLL, and eax == 0.
> >It is executed when cygwin startup code attempts to load advapi.dll.
> >The previous instruction loads eax with 0 from memory location (mov
> >(%esi),%eax).  I was trying to debug this program with Borland
> >Turbodebugger (td32) - the result is the same.  When being debugged on
> >another, single-processor PC running WinNT WS SP 6a, all is OK, so I
> >guess that this is Cygwin1.dll problem with SMP-platforms.
> --
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