Thanks, Lee, Trace below. It looks to me that /dev/snd/controlC0 was opened successfully but sound_ctl_nopdate disliked something about what it saw. Still puzzled, Chuck Lee Revell wrote: > > On Tue, 2006-11-14 at 14:53 -0800, Chuck Harrison wrote: > > Alsa n00b here starting to bring up alsa on an embedded platform: > > openWRT for the Broadcom mips processor used in wireless routers, > > I have a Netgear WGT634U. http://www.openwrt.org > > Probably a build error that causes aplay to look in the build host path > rather than the target path. I recently had a similar problem bringing > up ALSA on an embedded PPC system. > > Install strace on your target (it's very easy) and strace the failing > aplay process to see which open() call fails. > > Lee root@OpenWrt:~# strace -eopen aplay -l open("/lib/libasound.so.2", O_RDONLY) = -1 ENOENT (No such file or directory) open("/lib/libasound.so.2", O_RDONLY) = -1 ENOENT (No such file or directory) open("/usr/lib/libasound.so.2", O_RDONLY) = 3 open("/lib/libm.so.0", O_RDONLY) = 3 open("/lib/libdl.so.0", O_RDONLY) = 3 open("/lib/libpthread.so.0", O_RDONLY) = 3 open("/lib/libgcc_s.so.1", O_RDONLY) = 3 open("/lib/libc.so.0", O_RDONLY) = 3 open("/dev/snd/controlC0", O_RDONLY) = 3 **** List of PLAYBACK Hardware Devices **** ALSA lib control.c:910:(snd_ctl_open_noupdate) Invalid CTL hw:0 aplay: device_list:231: control open (0): No such file or directory open("/dev/snd/controlC1", O_RDONLY) = -1 ENOENT (No such file or directory) open("/dev/aloadC1", O_RDONLY) = -1 ENOENT (No such file or directory) open("/dev/snd/controlC2", O_RDONLY) = -1 ENOENT (No such file or directory) open("/dev/aloadC2", O_RDONLY) = -1 ENOENT (No such file or directory) [...] ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user