Date: Fri, 14 May 1999 14:11:52 -0500 From: "Matthew D. Fuller" <fullermd@futuresouth.com> To: Luoqi Chen <luoqi@watermarkgroup.com> Cc: sheldonh@uunet.co.za, current@FreeBSD.ORG, gmarco@scotty.masternet.it Subject: Re: Panic with screen w/info (was Re: Today's kernel crashes on starting X) Message-ID: <19990514141151.B21020@futuresouth.com> In-Reply-To: <199905141736.NAA06376@lor.watermarkgroup.com>; from Luoqi Chen on Fri, May 14, 1999 at 01:36:41PM -0400 References: <199905141736.NAA06376@lor.watermarkgroup.com>
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On Fri, May 14, 1999 at 01:36:41PM -0400, a little birdie told me
that Luoqi Chen remarked
> Here's the better fix, please let me know if it works,
I won't be in a position to crash this box again until tomorrow, but I'll
give it a whirl then.
Thanks.
> Index: tty_pty.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/kern/tty_pty.c,v
> retrieving revision 1.57
> diff -u -r1.57 tty_pty.c
> --- tty_pty.c 1999/05/08 06:39:43 1.57
> +++ tty_pty.c 1999/05/14 17:32:33
> @@ -674,8 +674,7 @@
> tp->t_lflag &= ~EXTPROC;
> }
> return(0);
> - } else
> - if (devsw(dev)->d_open == ptcopen)
> + } else if (devsw(dev)->d_open == ptcopen) {
> switch (cmd) {
>
> case TIOCGPGRP:
> @@ -711,7 +710,16 @@
> pti->pt_flags &= ~PF_REMOTE;
> ttyflush(tp, FREAD|FWRITE);
> return (0);
> + }
> +
> + /*
> + * The rest of the ioctls shouldn't be called until
> + * the slave is open. (Should we return an error?)
> + */
> + if ((tp->t_state & TS_ISOPEN) == 0)
> + return (0);
>
> + switch (cmd) {
> #ifdef COMPAT_43
> case TIOCSETP:
> case TIOCSETN:
> @@ -735,6 +743,7 @@
> ttyinfo(tp);
> return(0);
> }
> + }
> error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
> if (error == ENOIOCTL)
> error = ttioctl(tp, cmd, data, flag);
--
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
| Matthew Fuller MF4839 http://www.over-yonder.net/ |
* fullermd@futuresouth.com fullermd@over-yonder.net *
| UNIX Systems Administrator Specializing in FreeBSD |
* FutureSouth Communications ISPHelp ISP Consulting *
| "The only reason I'm burning my candle at both ends, |
* is because I haven't figured out how to light the *
| middle yet" |
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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