Re: [LAU] apt-get and RT kernel strangeness

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/
>>>>
>>>> $ 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
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Received on Tue Dec 14 20:15:03 2010