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| Who | What | When |
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| drmpeg | I've built the drivers from the latest git repo, and I'm having trouble with the em28xx_dvb driver.
Getting the many messages like this "em28xx_dvb: disagrees about version of symbol dvb_dmxdev_init" This is on Ubuntu 16.04 with the 4.4.0-45-generic #66 kernel. Anyone know what's going on? | [05:40] |
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| dongs | well.
do you want the long story or the short one lunix driver API changes pretty much daily after UAPI split you can no longer get same kernel version headers as the drivers so basically compiling kernel drivers out of tree has been fucked since something late 2.6/ early whatever is next version also are you THE drmpeg like xport and stuff or just a poser | [06:49] |
| drmpeg | I'm the one. | [06:50] |
| dongs | dang. much props.
but yeah uh... is there any particular reason you want out of tree lunixtv stuff instead of whatever is in the kernel? because that's probably a lot easier to build. | [06:50] |
| drmpeg | I'm trying to do IP over DVB.
I have a DVB-T2 transmitter connected to a DVB-T2 USB stick. The PCTV 292e So I'm sending what I think are IP packets encapsulated in an MPEG-2 Transport Stream. But of course, I'm not seeing my packets. | [06:55] |
| dongs | ipdvb is just stuff encapsulated and sent over single PID right | [06:58] |
| drmpeg | Yes. | [06:58] |
| dongs | but why would this involve building a new driver | [06:59] |
| drmpeg | I wanted to put some debug printf's in the dvb-core kernel module. | [06:59] |
| dongs | cant you just use whatever is lunix equivalent of tsreader and check the received data?
do it on the one in your ubuntu kernel then i presume you've tried the stuff @ https://www.linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers and failed? | [06:59] |
| drmpeg | Yes. | [07:01] |
| dongs | did you remove your old ubuntu modules and depmod -a?
the stuff near the bottom of that page 'conflicting modules' etc. | [07:02] |
| drmpeg | Lemme look. | [07:02] |
| dongs | missing symbol/version shit sounds like youre loading ex. newly compiled dvbcore and ubuntu version of the usb stick driver.
whcih of course wont work. | [07:03] |
| drmpeg | I did a depmod, but not with -a.
I don't see any other modules in /lib/modules/4.4.0-45-generic/kernel/drivers/media than the ones I built. | [07:05] |
| dongs | and when you modprobe that usb stick one it still fails with missing symbols? | [07:09] |
| drmpeg | Lemme try. | [07:11] |
| dongs | anyway, rm evertything under kernel/drivers/media , make install from the dvb git tree, reboot to make sure no old modules are loaded, and you should be ok
and you better hope ubuntu doens't compile v4l stuff in and has it as modules if its in the kernel you arent gonna be able to build it separately but i guess you knew that. | [07:12] |
| drmpeg | Okay. Thanx for the help. | [07:15] |
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| Rebuilding didn't help. :( However, copying all the Ubuntu drivers back into /lib/modules/4.4.0-45-generic/kernel/drivers/media does work, so at least I'm back on the air. | [08:13] | |
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| dongs | hm.
thats lunix for you i suggest booting to windows and just using tsreader | [08:45] |
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| jafa | is anyone doing anything with Panasonic DVB-T2 demods? | [21:55] |
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