Ok, I've been going back through the mainline builds, and this regression shows up, for my machines, in 2.6.39-rc1.
The last 2.6.38 was fine, and anything from that first .39 release candidate, inclusive, has shown the bug. I'll try to get time to look through changelogs and patches for that version. (Though that's a big pile. And I'm no C programmer, nor do I have a git-bisect setup, or any experience with such things, alas... :-) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/855199 Title: 2.6.39 and later have lost "irqpoll" functionality To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/855199/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs