readahead slow down

Caroline Ford at
Thu Aug 28 18:08:52 UTC 2008

2008/8/28 Krzysztof Lichota <krzysiek at>:
> 2008/8/28 (``-_-´´) -- Fernando <ubuntu at>:
>> Ubuntu (and also Fedora) are trying to make the boot of a system be the shortest possible, but on my system, readahead is adding up to 90 seconds to my boot time.
>> I've attached my lastest bootchart log and my dmesg to LP #262311.
>> On dmesg between line 505 and 506, it's visible the 90 sec pause.
>> [    8.869740] ieee1394: Host added: ID:BUS[0-00:1023]  GUID[00e0180003a853e6]
>> [  104.088084] udevd version 124 started
>> I wonder if it would there be any interest in collecting bootcharts and boot dmesg so common problems like this could be traced by a ubuntu-core-dev
> This bug is not accessible - permission denied. Is this some security issue?
> Can you sum up the results and post bootcharts somewhere else? I am
> interested in this issue.

I've unmarked it private - it only contained a dmesg file, not a core dump.


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