Date: Mon, 10 Oct 2005 13:05:06 GMT From: "Norbert P. Copones" <norbert@feu-nrmf.ph> To: freebsd-gnats-submit@FreeBSD.org Subject: i386/87208: /dev/cuad[0/1] bad file descriptor error during mgetty read Message-ID: <200510101305.j9AD561C083079@www.freebsd.org> Resent-Message-ID: <200510101310.j9ADAF1f078051@freefall.freebsd.org>
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>Number: 87208 >Category: i386 >Synopsis: /dev/cuad[0/1] bad file descriptor error during mgetty read >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-i386 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Oct 10 13:10:14 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Norbert P. Copones >Release: FreeBSD 6.0-RC1 >Organization: FEU-NRMF >Environment: FreeBSD proxy.feu-nrmf.ph 6.0-RC1 FreeBSD 6.0-RC1 #0: Mon Oct 10 17:38:35 PHT 2005 norbert@feu-nrmf.ph:/usr/src/sys/i386/compile/GENERIC i386 >Description: The device /dev/cuad[0/1] cannot be accessed by mgetty during startup (mgetty entry in /etc/tty). mgetty log shows this output: 10/10 18:32:46 ad1 mgetty: interim release 1.1.33-Apr10 10/10 18:32:46 ad1 check for lockfiles 10/10 18:32:46 ad1 locking the line 10/10 18:32:47 ad1 mod: cannot make /dev/cuad1 stdin: Bad file descriptor 10/10 18:32:47 ad1 open device /dev/cuad1 failed: Bad file descriptor 10/10 18:32:47 ad1 cannot get terminal line dev=cuad1, exiting: Bad file descriptor >How-To-Repeat: setting "cuad1 "/usr/local/sbin/mgetty" unknown on insecure" in /etc/ttys and rebooting the system. >Fix: i tried changing cuad1 to ttyd1 in /etc/ttys entry and sending HUP signal to init. first attempt always fails (the usual bad file descriptor error), second attempt sometimes succeeds. then switching back ttyd1 to cuad1 again in /etc/ttys and sending HUP signal will error (cuad1: Device busy). so i killed mgetty and again send HUP signal to init and it will succeed at this time. >Release-Note: >Audit-Trail: >Unformatted:
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