[LAU] apt-get and RT kernel strangeness

[Jörn Nettingsmeier]

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/
>>
>> $ 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:

* swap disabled in the rt kernel, and you're low on RAM?
* are you running real-time tasks in the background (such as jack)?