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lirc_serial kernel module won't load [solved]
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hika
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Joined: 13 Mar 2009
Posts: 226
Location: Utrecht

PostPosted: Mon Nov 04, 2013 12:59 pm    Post subject: lirc_serial kernel module won't load [solved] Reply with quote

I had Lirc working with my hauppauge PV350, but I want to move the card to a dedicated mythbackend in my server, so as not to have the frontend running needlessly. So I soldered a serial receiver and reemerged lirc with LIRC_DEVICES="serial".
Now when I want to load lirc_serial I get:
Code:
modprobe: ERROR: could not insert 'lirc_serial' : Device or resource busy


In dmesg I see the serialports being found:
Code:
[    2.133769] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    2.154515] 00:01: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[    2.420285] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A


I know it's the first one, the other is not connected, but both give the error.
I have been looking around and found something about:
Code:
setserial /dev/ttyS0 uart none

to release the serial port, but I don't know which package to emerge to get setserial.
Can anybody give me a hint?

Hika


Last edited by hika on Mon Nov 04, 2013 4:11 pm; edited 1 time in total
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hika
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Joined: 13 Mar 2009
Posts: 226
Location: Utrecht

PostPosted: Mon Nov 04, 2013 4:10 pm    Post subject: Reply with quote

OK, searching on 'setserial' I found an old post from 2010
http://forums.gentoo.org/viewtopic-t-812680-highlight-setserial.html and he had a similar problem

Quote:
Device Drivers --- Character devices --- Serial drivers --- < > 8250/16550 and compatible serial support should be disabled.


This is something that is enabled in the kernel by default.
I don't know what to do if you want one serial port as character device (console) and the other not.
Anyway lirc_serial now loads and I can go further in getting it to work

Hika
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