From: Jean-Francois Moine <moinejf@free.fr>
To: Niamathullah sharief <newbiesha@gmail.com>
Cc: kernelnewbies@nl.linux.org, video4linux-list@redhat.com
Subject: Re: About Webcam module
Date: Mon, 14 Sep 2009 20:28:55 +0200 [thread overview]
Message-ID: <20090914202855.61b5e8ea@tele> (raw)
In-Reply-To: <25f5fcff0909141100m49db178cu178801a4d4fd5976@mail.gmail.com>
On Mon, 14 Sep 2009 23:30:27 +0530
Niamathullah sharief <newbiesha@gmail.com> wrote:
> Here i am facing a new problem. I tried to compile and install the
> gspca_main and gspca_zc3xx modules separately. I compiled them
> successfully. but i am getting error when inserting that modules
>
>
> root@sharief-desktop:/home/sharief/Desktop/video/gspca# insmod
> > gspca_zc3xx.ko
> >
> insmod: error inserting 'gspca_zc3xx.ko': -1 Unknown symbol in module
> >
> root@sharief-desktop:/home/sharief/Desktop/video/gspca# insmod
> gspca_main.ko
> >
> >
> insmod: error inserting 'gspca_main.ko': -1 Unknown symbol in module
> >
>
> I think this both modules what some other modules to get insert in to
> kernel...But i am sure about that modules. Can anyone help me?
Indeed, the 2 modules videodev and v4l1_compat must be loaded prior to
load first gspca_main and then gspca_zc3xx, as shown by lsmod (below).
Usually, insmod is not directly used. You must use modprobe which looks
at the symbols and loads the required modules.
> On Sat, Sep 12, 2009 at 11:54 AM, Jean-Francois Moine
> <moinejf@free.fr>wrote:
> >
> > So, your driver is gspca_zc3xx. Then, this module uses the gspca
> > framework, i.e it calls functions of the module gspca_main. This
> > last one calls functions of the common video module videodev. Then
> > again, if v4l1 compatibility is enabled, videodev calls functions
> > of v4l1_compat.
> >
> > lsmod shows all that directly:
> >
> > Module Size Used by
> > gspca_zc3xx 55936 0
> > gspca_main 29312 1 gspca_zc3xx
> > videodev 41344 1 gspca_main
> > v4l1_compat 22404 1 videodev
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
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next prev parent reply other threads:[~2009-09-14 18:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-11 7:20 About Webcam module Niamathullah sharief
[not found] ` <b89eadb20909110234v2b8ee579nc19eed163cc77463@mail.gmail.com>
2009-09-11 12:07 ` Niamathullah sharief
2009-09-12 6:24 ` Jean-Francois Moine
2009-09-14 18:00 ` Niamathullah sharief
2009-09-14 18:28 ` Jean-Francois Moine [this message]
2009-09-15 2:23 ` Niamathullah sharief
[not found] ` <41d311580909160826v7ab50508k96ed1035558263f8@mail.gmail.com>
2009-09-16 16:57 ` Niamathullah sharief
[not found] ` <41d311580909161827m3d8d59aam37b1a22396799335@mail.gmail.com>
2009-09-17 5:32 ` Niamathullah sharief
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