From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dmitriy A. Kuvshinov" Subject: serial port problem Date: Wed, 4 Dec 2002 10:45:47 +0000 Sender: linux-msdos-owner@vger.kernel.org Message-ID: <200212041045.47098.dmitriy@genphys.phys.msu.su> Reply-To: dmitriy@genphys.phys.msu.su Mime-Version: 1.0 Content-Transfer-Encoding: 8BIT Return-path: List-Id: Content-Type: text/plain; charset="us-ascii" To: linux-msdos@vger.kernel.org Greetings from Moscow!!! I have some errors in log-file dosemu-1.0.2: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS0 not configured! ERROR: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS0 not configured! ERROR: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS1 not configured! ERROR: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS1 not configured! ERROR: PORT: IRQ 12 conflict. IO devices COM1 & COM3 ERROR: PORT: IRQ 12 conflict. IO devices COM1 & COM3 ERROR: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS2 not configured! ERROR: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS2 not configured! ERROR: PORT: IRQ 11 conflict. IO devices COM2 & COM4 ERROR: PORT: IRQ 11 conflict. IO devices COM2 & COM4 ERROR: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS3 not configured! ERROR: DOSEMU: Need to be suid root to create Lock Files! Serial port on /dev/ttyS3 not configured! can't use hardware ram in low feature (non-suid root) DOSEMU CONF: reserving 64Kb at 0xE0000 for 'E' (EMS page frame) TIME: using 9154 usec for updating ALRM timer I want write/read data(for realtime managing two stepping motors) in /dev/ttyS0, but i cant do it. How i can fix this error? How i can set permission for user for write/read data in /dev/ttyS3? I use RedHat7.3 thanks for your answer and very sorry for my bad english! Dmitriy