Check this http://jackaudio.org/linux_group_sched

2010/12/14 rosea.grammostola &lt;rosea.grammostola(a)gmail.com <mailto:rosea.grammostola@gmail.com>> On 12/14/2010 04:50 PM, rosea.grammostola wrote: On 12/14/2010 04:26 PM, Jörn Nettingsmeier wrote: On 12/14/2010 04:10 PM, rosea.grammostola wrote: On 12/13/2010 09:38 PM, rosea.grammostola wrote: Hi, I have an oddity on Ubuntu Lucid. Installing libboost1.40-dev, default kernel, no problemo. Installing libboost1.40-dev, RT kernel, install (unpacking/ processing) takes minuts! I have this oddity with another package, but most packages install normal. $ uname -a Linux ubuntu 2.6.33-29-realtime #1-Ubuntu SMP PREEMPT RT Wed Aug 4 20:14:20 UTC 2010 i686 GNU/Linux from: https://launchpad.net/~abogani/+archive/ppa/ <https://launchpad.net/%7Eabogani/+archive/ppa/> $ apt-cache policy libboost1.40-dev libboost1.40-dev: Installed: 1.40.0-4ubuntu4 Candidate: 1.40.0-4ubuntu4 Version table: *** 1.40.0-4ubuntu4 0 500 http://nl.archive.ubuntu.com/ubuntu/ lucid/main Packages 100 /var/lib/dpkg/status (maybe not interesting, but iotop says: CONFIG_TASK_DELAY_ACCT not enabled in kernel, cannot determine SWAPIN and IO %) Any idea what this could be? wild guesses: Thanks * swap disabled in the rt kernel, and you're low on RAM? $ grep -i swap /boot/config-2.6.33-29-realtime CONFIG_SWAP=y CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y CONFIG_X86_BSWAP=y CONFIG_RING_BUFFER_ALLOW_SWAP=y 2GB RAM * are you running real-time tasks in the background (such as jack)? No Hmm.... Strange that is only happens with some packages like libboost-dev... Are there other RT kernels available for Ubuntu Lucid, to test a bit? Should a kernel made for Debian also work? Thanks in advance, \r _______________________________________________ Linux-audio-user mailing list Linux-audio-user(a)lists.linuxaudio.org <mailto:Linux-audio-user@lists.linuxaudio.org> http://lists.linuxaudio.org/listinfo/linux-audio-user -- yermandu [at] gmail dot com