Re: More terminal iocctl's need to be PASSTHROUGH?

[Paul Goyette <paul%vps1.whooppee.com@localhost>]

Please add the following to the list - these occur when I try to
edit a previous command using tcsh/'s history (I pressed Up-Arrow,
Back-Space, retyped a character, and then Enter)

BARF 0x20004b08
BARF 0x20004b08
BARF 0x20004b08
BARF 0x20004b08
BARF 0x20004b08
BARF 0x20004b08


On Thu, 22 Oct 2015, Paul Goyette wrote:

> On Wed, 21 Oct 2015, Christos Zoulas wrote:
>
> > On Oct 21, 10:30am, paul%vps1.whooppee.com@localhost (Paul Goyette) wrote:
> > -- Subject: More terminal iocctl's need to be PASSTHROUGH?
> >
> > | I noticed christos updated the list of PASSTHROGUH IOCCTLs the other
> > | day, so I figured that might reduce the boucing in/out of compat module.
> > |
> > | But it seems that there's more work to do here.  In a xterm window, and
> > | running tcsh as my shell, simply typing a backspace character causes the
> > | module to bounce in.
> > |
> >
> > Can you apply this and tell me what it prints? It does not print for me.
> >
> > christos
> >
> > Index: tty.c
> > ===================================================================
> > RCS file: /cvsroot/src/sys/kern/tty.c,v
> > retrieving revision 1.269
> > diff -u -u -r1.269 tty.c
> > --- tty.c       18 Oct 2015 15:58:23 -0000      1.269
> > +++ tty.c       21 Oct 2015 11:52:44 -0000
> > @@ -1395,6 +1395,7 @@
> >                return EPASSTHROUGH;
> >
> >        default:
> > +               printf("BARF 0x%lx\n", cmd);
> > #ifdef COMPAT_60
> >                error = compat_60_ttioctl(tp, cmd, data, flag, l);
> >                if (error != EPASSTHROUGH)
>
> I just booted up with this, and here's what I got.  The first of
> these happens almost immediately after starting xdm ...
>
> # dmesg | grep BARF
> BARF 0x40245765
> BARF 0x40087603
> BARF 0x40087603
> BARF 0x80087602
> BARF 0x20004b0a
> BARF 0x20004b42
> BARF 0x40044b41
> BARF 0x20004b42
> BARF 0x20004b07
> BARF 0x40044b41
> BARF 0x20004b42
> BARF 0x20004b07
> BARF 0x20004b0a
> BARF 0x20007604
> BARF 0x20004b0a
> BARF 0x20007604
> BARF 0x20004b07
> BARF 0x40044b41
> BARF 0x20004b42
> BARF 0x20004b42
> BARF 0x20004b42
> BARF 0x20004b42
> #
>
>
>
> +------------------+--------------------------+-------------------------+
> | Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
> | (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
> | Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org  |
> +------------------+--------------------------+-------------------------+

+------------------+--------------------------+-------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org  |
+------------------+--------------------------+-------------------------+