After testing many times,I found that it is due to irqpoll.But without irqpoll,Usb on thinkpad will behave incorrectly.Failed network connecting and usb mouse lagging.It should happen on all laptops which use i810/i830 chip(R31 is i830).
-- [gutsy] very slow booting https://bugs.launchpad.net/bugs/155039 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
