[alsa-devel] Problem with ncurses and alsamixer (cannot open terminal: vt100 or xterm)
tiwai at suse.de
Mon Jun 4 12:36:48 CEST 2007
At Sat, 02 Jun 2007 16:34:12 -0400,
David Topper wrote:
> I finally managed to get the alsa-1.0.4 utils to compile on an ARM based
> SBC. When I launch alsamixer, however, I get an error:
> Error opening terminal: xterm
> When I ssh into the board. Or:
> Error opening terminal: vt100
> When connected via serial cable.
> I suspect this has something to do with the linking (or lack thereof) of
> alsamixer for ncurses. The ncurrses library, by the way, I cross
> compiled with the following command:
> ./configure --host=arm-linux --prefix=/home/topper/ts-packages/
> But for the alsa utils, I simple ran ./configure, and the script
> detected the ncurses library, ran through and compiled. Yet, something
> seems amuck because:
> root at ts7000:root# ldd /bin/alsamixer
> libasound.so.2 => /lib/libasound.so.2 (0x2aac8000)
> libm.so.6 => /lib/libm.so.6 (0x2ab6f000)
> libdl.so.2 => /lib/libdl.so.2 (0x2abe9000)
> libpthread.so.0 => /lib/libpthread.so.0 (0x2abf3000)
> libc.so.6 => /lib/libc.so.6 (0x2ac4b000)
> /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x2aaab000)
> Whereas on my Linux Intel laptop:
> awn:~$ ldd /usr/bin/alsamixer
> libncurses.so.5 => /lib/libncurses.so.5 (0x4002c000)
> libasound.so.2 => /usr/lib/libasound.so.2 (0x40069000)
> libm.so.6 => /lib/libm.so.6 (0x4010d000)
> libdl.so.2 => /lib/libdl.so.2 (0x40130000)
> libpthread.so.0 => /lib/libpthread.so.0 (0x40133000)
> libc.so.6 => /lib/libc.so.6 (0x40184000)
> /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
> So I have two questions:
> 1. How might ensure proper linking of the ncurses library.
Give --with-curses option.
You might be using non-standard curses library.
> 2. Is there another way to tell alsa to activate various cards, set
> volume, etc.. so I can test to see if the alsa driver is even working on
> this board.
Use amixer to list/set/get mixer elements only with command line.
And, above all:
3. any reason to use the ancient ALSA 1.0.4?
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