I just also found out about this bug (or feature). It is exactly the same for me and I'm running an older Galaxy version (galaxy-dist from April 8, 2011).
On 07/06/2011 09:32 PM, Bossers, Alex wrote:
In our local instance (central version) up to changeset (June 28th) I noticed in the admin panel to manage jobs some odd behaviour; When I set the update Jobs cutoff on 10 seconds and press refresh.... the item below (administrative Job Lock) is also activated and new jobs are locked. Is that a planned feature, a bug or is something wrong in our local instance. Another refresh toggles it back to normal.
Alex
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