Mikus did you apply the patch in http://dev.laptop.org/ticket/10297 in the kernel_xo1.spec? It solves the asm issue. Patch, recompile the kernel install it (including headers and devel) and recompile your driver. No other kernel comes close to OLPCs :-)
--- On Wed, 9/29/10, Mikus Grinbergs <mi...@bga.com> wrote: > From: Mikus Grinbergs <mi...@bga.com> > Subject: Request for help with adding a driver to build os852 > To: "Chris Ball" <c...@laptop.org> > Cc: "OLPC Devel" <devel@lists.laptop.org>, "fedora-olpc-list" > <fedora-olpc-l...@redhat.com> > Date: Wednesday, September 29, 2010, 11:46 AM > I need to add two drivers for > external USB devices to os852. > > I believe that creating a complete build from scratch for > the XO-1, > which includes the drivers I want, ought to work -- but I'm > intimidated > at jumping into git and kernel-building, just for a couple > of drivers. > [Besides, I don't want to be in the business of build > maintenance.] > > > So far, I'm trying to see if I can compile those drivers > from source -- > but I'm having a HUGE struggle with the deficiencies of > XO-1 package > kernel-devel-2.6.31_xo1-20100823.1641.1.olpc.12d64069981699a.i586 > (it's missing header directories: 'arch/x86/include', > 'include/trace', > and 'include/asm-x86'). > > > But even when I've managed to compile the most recently > available driver > source and gotten an output module, 'modprobe' gives me > "unknown symbol" > errors, like the following (as logged in dmesg): > [139115.158397] uvcvideo: disagrees about version of > symbol > v4l_compat_translate_ioctl > [139115.158424] uvcvideo: Unknown symbol > v4l_compat_translate_ioctl > [139115.163353] uvcvideo: disagrees about version of > symbol video_devdata > [139115.163377] uvcvideo: Unknown symbol video_devdata > [139115.168912] uvcvideo: disagrees about version of > symbol > video_unregister_device > [139115.168932] uvcvideo: Unknown symbol > video_unregister_device > [139115.170160] uvcvideo: disagrees about version of > symbol > video_device_alloc > [139115.170160] uvcvideo: Unknown symbol > video_device_alloc > [139115.170160] uvcvideo: disagrees about version of > symbol > video_register_device > [139115.170160] uvcvideo: Unknown symbol > video_register_device > [139115.170160] uvcvideo: disagrees about version of > symbol video_usercopy > [139115.170160] uvcvideo: Unknown symbol video_usercopy > [139115.170160] uvcvideo: disagrees about version of > symbol > video_device_release > [139115.170160] uvcvideo: Unknown symbol > video_device_release > > And if I try to import the driver from (for instance) > kernel-2.6.31.9-174.fc12.i686.rpm (the driver is in Fedora > builds) into > kernel-2.6.31_xo1-20100823.1641.1.olpc.12d64069981699a.i586 > (the driver > is NOT in olpc builds) - I get "Invalid module format" from > the os852 > modprobe, even if I invoke it with 'modprobe --force'. > > > I'm asking that someone please tell me which Fedora kernel > package comes > closest to the XO-1 os852 kernel package - so I can go > exploring for > differences. I also suspect that the driver source > code I used is not > the same as the driver source code Fedora used -- do I have > to look in > Fedoraproject git for the driver source code to try to > compile ? > > > Thanks - help would be greatly appreciated, mikus > > _______________________________________________ > olpc mailing list > o...@lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/olpc > _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel