readahead slow down

Krzysztof Lichota krzysiek at
Thu Aug 28 17:35:53 UTC 2008

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.


	Krzysztof Lichota

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