I have a G3 iBook 800 MHz Rev. 2.2 with vanilla kernel 2.6.10. The kernel ALSA driver as well as OSS emulation are activated, for the kernel config see below. The JACK output plugin of xmms produces only white noise. I guess it is a PPC-typical endian problem. I should remark that the jack output of alsaplayer -o jack works, so there should not be a problem with jackd. relevant part of kernel-config: # # Advanced Linux Sound Architecture # CONFIG_SND=m CONFIG_SND_TIMER=m CONFIG_SND_PCM=m CONFIG_SND_RAWMIDI=m CONFIG_SND_SEQUENCER=m # CONFIG_SND_SEQ_DUMMY is not set CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_SEQUENCER_OSS=y # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set # # Generic devices # CONFIG_SND_VIRMIDI=m # # ALSA PowerMac devices # CONFIG_SND_POWERMAC=m # emerge info Portage 2.0.51-r8 (default-ppc-2004.1, gcc-3.4.3, glibc-2.3.4.20041102-r0, 2.6.10 ppc) ================================================================= System uname: 2.6.10 ppc 750FX Gentoo Base System version 1.6.8 Python: dev-lang/python-2.2.2,dev-lang/python-2.3.4 [2.3.4 (#1, Sep 16 2004, 23:11:34)] distcc 2.18.3 powerpc-unknown-linux-gnu (protocols 1 and 2) (default port 3632)[disabled] dev-lang/python: 2.2.2, 2.3.4 sys-devel/autoconf: 2.13, 2.59-r6 sys-devel/automake: 1.8.5-r2, 1.5, 1.9.3, 1.6.3, 1.7.9, 1.4_p6 sys-devel/binutils: 2.15.90.0.3-r4 sys-devel/libtool: 1.5.10-r2 virtual/os-headers: 2.4.18-r2, 2.4.22 ACCEPT_KEYWORDS="ppc ~ppc" AUTOCLEAN="yes" CFLAGS="-O2 -pipe -mcpu=750 -fsigned-char -mpowerpc-gfxopt" CHOST="powerpc-unknown-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3/share/config/usr/lib/X11/xkb /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/ /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -pipe -mcpu=750 -fsigned-char -mpowerpc-gfxopt" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs ccache distlocks" GENTOO_MIRRORS="ftp://gentoo.inode.at/source/ ftp://linux.rz.ruhr-uni-bochum.de/gentoo-mirror/ http://gd.tuwien.ac.at/opsys/linux/gentoo/" LDFLAGS="" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X aalib alsa apache2 apm arts audiofile berkdb bitmap-fonts blas bzlib caps cdparanoia crypt cups dba divx4linux doc dvd encode exif f77 flac font-server fortran gcj gd gdbm gif gnome-libs gphoto2 gpm gtk gtk2 guile icq imlib innodb jack jack-tmpfs java jpeg kde ladcca ladspa lcms libcaca libwww live lzo mad maildir matroska monkey motif mpeg mysql ncurses nls objc offensive oggvorbis opengloss pam pdflib perl png ppc python qt readline samba sasl sdl slang sndfile speex spell ssl tcltk tcpd tetex theora tiff truetype truetype-fonts type1-fonts usb wmf xine xml xml2 xmms xprint xv xvid xvmc zlib video_cards_radeon"
I guess, it's an endianness problem.
the issue could be solved fixing the PCM output flag to be "NE" instead of LE as probably is. I'll have a look later
Fixed
How do I get the fix? I do not see any changes to the xmms-jack package.