Re: Fw: [Bugme-new] [Bug 9822] New: mdacon messing up console on hw w/o MDA adapter

[Geert Uytterhoeven <geert@linux-m68k.org>]

On Sat, 26 Jan 2008, Andrew Morton wrote:
> Begin forwarded message:
> 
> Date: Sat, 26 Jan 2008 06:00:42 -0800 (PST)
> From: bugme-daemon@bugzilla.kernel.org
> To: bugme-new@lists.osdl.org
> Subject: [Bugme-new] [Bug 9822] New: mdacon messing up console on hw w/o MDA adapter
> 
> 
> http://bugzilla.kernel.org/show_bug.cgi?id=9822
> 
>            Summary: mdacon messing up console on hw w/o MDA adapter
>            Product: Drivers
>            Version: 2.5
>      KernelVersion: 2.6.24 and before
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: low
>           Priority: P1
>          Component: Console/Framebuffers
>         AssignedTo: jsimmons@infradead.org
>         ReportedBy: devzero@web.de
> 
> 
> Latest working kernel version: didn`t try before 
> Earliest failing kernel version: don`t know, but may exist for a long time
> Distribution: openSuSE
> Hardware Environment: various (e.g. FSC Scenic T 1Ghz i815 PC, FSC Lifebook,
> VMware Workstation)
> Software Environment: -
> 
> Problem Description:
> loading mdacon on a system without MDA adapter screws up the console window. i
> cannot use it afterwards. i would have expected some "no mda adapter found" and
> a clean exit afterwards.
> 
> Steps to reproduce:
> modprobe mdacon
> 
> also see:
> http://marc.info/?l=linux-kernel&m=120082731013963&w=2
> http://uwsg.indiana.edu/hypermail/linux/kernel/0203.3/0524.html
> 
> 
> same issue with cfag12864bfb. behaviour is a little bit different, but console
> is also unusable afterwards.

Cfag12864bfb uses a plain platform device, which doesn't seem to do any
checking for the presence of the appropriate hardware.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

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