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Re: Updated:Error opening framebuffer device/Unknown symbol

To: "Markus Gothe" <markus.gothe@27m.se>, "kaka" <share.kt@gmail.com>
Subject: Re: Updated:Error opening framebuffer device/Unknown symbol
From: "Kevin D. Kissell" <KevinK@mips.com>
Date: Thu, 25 Oct 2007 09:03:45 -0700
Cc: <directfb-users@directfb.org>, <directfb-dev@directfb.org>, <linux-mips@linux-mips.org>, <uclinux-dev@uclinux.org>, <linux-fbdev-users@lists.sourceforge.net>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <eea8a9c90710250155h7534fdfajf7193921575e96fe@mail.gmail.com> <4720BCAE.1030209@27m.se>
Sender: linux-mips-bounce@linux-mips.org
He's been told this at least 3 times.  I'm starting to think that he's a troll.

----- Original Message ----- 
From: "Markus Gothe" <markus.gothe@27m.se>
To: "kaka" <share.kt@gmail.com>
Cc: <directfb-users@directfb.org>; <directfb-dev@directfb.org>; 
<linux-mips@linux-mips.org>; <uclinux-dev@uclinux.org>;
<linux-fbdev-users@lists.sourceforge.net>
Sent: Thursday, October 25, 2007 8:56 AM
Subject: Re: Updated:Error opening framebuffer device/Unknown symbol


> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> You cannot use libc-stuff for the kernel, use the kernel equalients...
>
> //Markus
>
> kaka wrote:
> > Hi All,
> >
> > Thanks for the overhelming responses.
> > I was able to remove the problem of Unknown symbols by linking the
> > proper libraries. Now the problem got reduced to the following messages.
> >
> > # insmod brcmstfb.ko
> > brcmstfb: Unknown symbol printf
> > brcmstfb: Unknown symbol malloc
> > brcmstfb: Unknown symbol free
> > insmod: cannot insert `brcmstfb.ko': Unknown symbol in module (2):
> > No such file or directory
> > #
> >
> > for the above problem i had tried to link "libgcc.a " but those
> > symbols are also undefined in it also.
> > RECAP:
> > While running  the cross compiled directFB example on MIPS chip,*
> > We tried to install the framebuffer driver(command given
> > above) after creating the node fb0.
> > APPROACH:
> > Actually the code of frambuffer driver consists of usual kernel
> > framebuffer code and properitiary graphics lib code.
> > The properitiary graphics lib code is using malloc,print and free
> > from <stdlib.h> and that is why those symbols are coming undefined.
> >
> > Could anybody help in this regard?
> > Thanks in advance.
> >
> > kaka
> >
> >
> >
> > ---------- Forwarded message ----------
> > From: *kaka* < share.kt@gmail.com <mailto:share.kt@gmail.com>>
> > Date: Oct 12, 2007 6:33 PM
> > Subject: Error opening framebuffer device/Unknown symbol
> > register_framebuffer
> > To: directfb-users@directfb.org
> > <mailto:directfb-users@directfb.org>, directfb-dev@directfb.org
> > <mailto:directfb-dev@directfb.org>.
> >
> >
> >
> >     * Hi All, *
> >
> >     * While running  the cross compiled directFB example on MIPS chip, *
> >
> >     *
> >
> >
> >
> >     We tried to install the framebuffer driver(command given at the
> bottom) and we have already created the node fb0. *
> >
> >     * We are getting the following error,  *
> >
> >
> >
> >     * Can anybody help in this regard ? *
> >
> >     * Thanks in Advance. *
> >
> >     # ../../cross_directfb/simple_mips
> >
>
> >          =======================|  DirectFB 1.0.0  |=======================
> >               (c) 2001-2007  The DirectFB Organization (directfb.org
> <http://directfb.org/>)
> >               (c) 2000-2004  Convergence (integrated media) GmbH
> >             ------------------------------------------------------------
> >
>
> >     (*) DirectFB/Core: Single Application Core. (2007-10-05 14:17)
> >     (!) Direct/Util: opening '/dev/fb0' failed
> >         --> No such device or address
> >     (!) DirectFB/FBDev: Error opening framebuffer device!
> >     (!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER
> environment variable.
> >     (!) DirectFB/Core: Could not initialize 'system' core!
> >         --> Initialization error!
> >     simple.c <96>:
> >             (#) DirectFBError [DirectFBCreate (&dfb)]: Initialization
> error!
> >     #
> >
> >     * While running the following command in MIPS chip, we are getting
> the following error. *
> >
> >     # insmod brcmstfb.ko
> >     brcmstfb: Unknown symbol unregister_framebuffer
> >     brcmstfb: Unknown symbol printf
> >     brcmstfb: Unknown symbol malloc
> >     brcmstfb: Unknown symbol fb_find_mode
> >     brcmstfb: Unknown symbol fb_dealloc_cmap
> >     brcmstfb: Unknown symbol fb_alloc_cmap
> >     brcmstfb: Unknown symbol framebuffer_release
> >     brcmstfb: Unknown symbol free
> >     insmod: cannot insert `brcmstfb.ko': Unknown symbol in module (2):
> No such file or directory
> >     #
> >     #
> >
> >
> >
> >
> >
> >
> > --
> > Thanks & Regards,
> > kaka
> >
> > --
> > Thanks & Regards,
> > kaka
>
>
> - --
> _______________________________________
>
> Mr Markus Gothe
> Software Engineer
>
> Phone: +46 (0)13 21 81 20 (ext. 1046)
> Fax: +46 (0)13 21 21 15
> Mobile: +46 (0)73 718 72 80
> Diskettgatan 11, SE-583 35 Linköping, Sweden
> www.27m.com
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