[linux-dvb] Re: What's the minor-shift (if there is one set)?

["Aurelian Pop" <puiu@cs.tut.fi>]

> Aurelian Pop writes:
>  > As you can see, the're a leap of 64 for every set in
the minor description.
>  > I have changed this file by adding another set (3)
using minors from 192 to 200, because I have currently 4
DVB-S on my box, and it works.
>  > My question is: can I modify this file so that I can
change this gap (in some cases it might be called a
minor-shift number) between the drivers, and if NOT, then it
means that we cannot use more than 4 DVB cards (>255!!!) on
the same machine (remember the DVB_NUM_DEVICES in dvbdev.h
is set to 16!) ???
>
> You will also have to adjust the defines in dvbdev.h.
>
>
> Ralph
>


I tried to change the values in dvbdev.h, but there are some
things I don't know why are like that...
The first thing will be why in the defines you can find the
devices 0, but for the demux there is the defines for 0 to
3.... why?
Basically I have now 3 dvb-t cards and 2 dvb-s cards in one
box and I cannot set the drivers to install the modules
properly...
The output from make insmod is:

[root@server1 driver]# make insmod
/usr/src/linux/scripts/pathdown.sh: TOPDIR: parameter null
or not set
./makedev.napi
rm: cannot remove directory `/dev/ost': Directory not empty
make
make[1]: Entering directory `/home/puiu/DVB/driver'
DIR=`pwd`; (cd /usr/src/linux; make SUBDIRS=$DIR modules)
make[2]: Entering directory `/usr/src/linux-2.4.8'
make -C  /home/puiu/DVB/driver
CFLAGS="-D__KERNEL__ -I/usr/src/linux-2.4.8/include  -Wall -
Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -
fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boun
dary=2 -march=i586 -fno-merge-constants  -DMODULE -DMODVERSI
ONS -include
/usr/src/linux-2.4.8/include/linux/modversions.h"
MAKING_MODULES=1 modules
make[3]: Entering directory `/home/puiu/DVB/driver'
make[3]: Nothing to be done for `modules'.
make[3]: Leaving directory `/home/puiu/DVB/driver'
make[2]: Leaving directory `/usr/src/linux-2.4.8'

make[1]: Leaving directory `/home/puiu/DVB/driver'
(       \
insmod dvbdev.o; \
insmod dvb_net.o;                \
insmod i2c-core; \
insmod videodev;                \
insmod dvb_filter.o;                \
insmod dmxdev.o;                \
insmod VES1893.o;               \
insmod VES1820.o;               \
insmod L64781.o;                \
insmod SP8870.o debug=1;        \
insmod tda8083.o;               \
insmod stv0299.o;               \
insmod tuner.o;                 \
insmod saa7146_core.o mode=0;   \
insmod saa7146_v4l.o;           \
insmod dvb_demux.o;             \
insmod dvb_frontend.o;           \
insmod dvb.o init_chan=2 pids_off=0;    \
)
Using
/lib/modules/2.4.8-26mdk/kernel/drivers/i2c/i2c-core.o.gz
Using
/lib/modules/2.4.8-26mdk/kernel/drivers/media/video/videodev
.o.gz
make: *** [insmod] Error 139


Subsequent "lsmod" commands end up in segmentation faults!!!


Anybody knows how to change the makedev.napi and dvbdev.h
files for more than 4 cards?

Thanks,
Aurelian




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