From: sandmann AT clio DOT rice DOT edu (Charles Sandmann) Message-Id: <9912302004.AA15575@clio.rice.edu> Subject: Re: GDB, DOS 6.22, CWSDPMI and Interrupts To: salvador AT inti DOT gov DOT ar Date: Thu, 30 Dec 1999 14:04:23 -0600 (CST) Cc: eliz AT is DOT elta DOT co DOT il, djgpp-workers AT delorie DOT com In-Reply-To: <386BB485.CF8B011@inti.gov.ar> from "salvador" at Dec 30, 99 04:37:41 pm X-Mailer: ELM [version 2.4 PL20] Content-Type: text Reply-To: djgpp-workers AT delorie DOT com X-Mailing-List: djgpp-workers AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > I don't know anything about the dbgcom.c code, so perhaps that's imposible: What > about saving the state of the interrupts flag at the beginning of the hook and > restoring it before IRET? is that posible? That is what the original intent of some of that code is - to have the IRET instruction restore the state. Since CWSDPMI should be able to restore the flag since it's at IOPL=3, maybe it's a CWSDPMI bug, maybe a logic bug in dbgcom.c.