09 October 2012

253. Leadtek DTV 1000s in kernel 3.6 (debian wheezy)

My Leadtek DTV 1000s has been working fine for a long time after the initial set-up, but when upgrading from kernel 3.4.0 to 3.6.0 on my tv computer' it suddenly stopped working.
me-tv 1.3.7-3

lspci shows
01:06.0 Multimedia controller: Philips Semiconductors SAA7130 Video Broadcast Decoder (rev 01)
but

 lsmod|grep saa 

returns nothing and there's nothing that looks right in /dev

Finally
sudo modprobe saa7134
FATAL: Module saa7134 not found.

 ls /lib/modules/3.4.0-amd64/kernel/drivers/media
common  dvb  media.ko  radio  rc  video
but

ls /lib/modules/3.6.0-amd64/kernel/drivers/media
common  dvb
Basically, saa7134.ko is never built.

I installed kernel 3.6 from deb files compiled on another computer. My first step was to uninstall linux-headers-3.6.0-amd64 and linux-image-3.6.0-amd64


Next, to get the saa7134 module-- roughly follow this post we get

wget http://www.kernel.org/pub/linux/kernel/v3.0/linux-3.6.tar.bz2
tar xvf linux-3.6.tar.bz2
cd linux-3.6/
cat /boot/config-`uname -r`>.config
make oldconfig

Make sure to answer in the affirmative here:
* Multimedia support
*
Multimedia support (MEDIA_SUPPORT) [M/n/y/?] Y
*
* Multimedia core support
*
Cameras/video grabbers support (MEDIA_CAMERA_SUPPORT) [N/y/?] (NEW) Y
Analog TV support (MEDIA_ANALOG_TV_SUPPORT) [N/y/?] (NEW)
Digital TV support (MEDIA_DIGITAL_TV_SUPPORT) [N/y/?] (NEW) Y
AM/FM radio receivers/transmitters support (MEDIA_RADIO_SUPPORT) [N/y/?] (NEW)
Remote Controller support (MEDIA_RC_SUPPORT) [N/y/?] (NEW) Y

Then build as usual
time fakeroot make-kpkg -j2 --initrd --revision=3.6.0 --append-to-version=-amd64 kernel_image kernel_headers

You can check that it built by

me@lithium:~/tmp/linux-3.6$ ls drivers/media/video/saa7134/*.ko -lah
drivers/media/video/saa7134/saa6752hs.ko
drivers/media/video/saa7134/saa7134-alsa.ko
drivers/media/video/saa7134/saa7134-dvb.ko
drivers/media/video/saa7134/saa7134-empress.ko
drivers/media/video/saa7134/saa7134.ko

All that's left now is to install the kernel:
mv ../linux*3.6*.deb . 
sudo dpkg -i *.deb

and you're done (see the original post for loading the driver: i.e. put options saa7134 tuner=48 card=175 in your /etc/modules) -- unless you have an nvidia graphics card, in which case

me@lithium:~/tmp/linux-3.6$ sudo dpkg-reconfigure nvidia-kernel-dkms

-------- Uninstall Beginning --------
Module:  nvidia
Version: 304.48
Kernel:  3.4.0-amd64 (x86_64)
-------------------------------------

Status: Before uninstall, this module version was ACTIVE on this kernel.

nvidia.ko:
 - Uninstallation
   - Deleting from: /lib/modules/3.4.0-amd64/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.

depmod.......

DKMS: uninstall completed.

-------- Uninstall Beginning --------
Module:  nvidia
Version: 304.48
Kernel:  3.6.0-amd64 (x86_64)
-------------------------------------

Status: Before uninstall, this module version was ACTIVE on this kernel.

nvidia.ko:
 - Uninstallation
   - Deleting from: /lib/modules/3.6.0-amd64/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.

depmod....

DKMS: uninstall completed.

------------------------------
Deleting module version: 304.48
completely from the DKMS tree.
------------------------------
Done.
Loading new nvidia-304.48 DKMS files...
Building for 3.4.0-amd64 and 3.6.0-amd64
Building initial module for 3.4.0-amd64
Done.

nvidia:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.4.0-amd64/updates/dkms/

depmod....

DKMS: install completed.
Building initial module for 3.6.0-amd64
Done.

nvidia:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.6.0-amd64/updates/dkms/

depmod....

DKMS: install completed.

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