linux-kernel - Re: tty-related oops in latest kernel(s)?

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Date:	Thu, 31 May 2007 06:14:18 +0800
From:	"Antonino A. Daplas" <adaplas@...il.com>
To:	Tero Roponen <teanropo@....fi>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: tty-related oops in latest kernel(s)?

On Wed, 2007-05-30 at 19:01 +0300, Tero Roponen wrote:
> On Wed, 30 May 2007, Andrew Morton wrote:
> 
> > On Wed, 30 May 2007 15:02:49 +0300 (EEST) Tero Roponen <teanropo@....fi> wrote:
> > 
> > > On Wed, 30 May 2007, Pekka Enberg wrote:
> > > 
> > > > On 5/30/07, Tero Roponen <teanropo@....fi> wrote:

> [root@...rop ~]# cat oops.c
> #include <sys/ioctl.h>
> #include <stdio.h>
> #include <linux/fb.h>
> #include <fcntl.h>
> 
> int main(void)
> {
>         struct fb_var_screeninfo fbinfo;
>         int fd = open("/dev/fb0", O_RDWR);
>         if (fd < 0)
>                 return 1;
> 
>         /* Get screeninfo */
>         ioctl(fd, FBIOGET_VSCREENINFO, &fbinfo);
> 
>         /* Change depth from current 16 to 24. */
>         fbinfo.bits_per_pixel = 24;
>         ioctl(fd, FBIOPUT_VSCREENINFO, &fbinfo);
> 
>         return 0;
> }
> 
> So this seems to be a framebuffer error.

It's a fb_setcolreg() bug in neofb.  Try this patch?

Tony



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