On Tue, Oct 30, 2012 at 12:53:06AM -0400, Mark Lord wrote: > On 12-10-29 07:03 PM, Greg Kroah-Hartman wrote: > > On Mon, Oct 29, 2012 at 07:00:54PM -0400, Mark Lord wrote: > >> There's something else very wrong when going from 3.4.9 to 3.4.16. > >> I've done it on two machines here, one the AMD-450 server (64-bit), > >> and the other my main notebook (Core2duo 32-bit-PAE). > >> > >> Both systems feel much more sluggish than usual with 3.4.16 running. > >> Reverted them both back to earlier kernels (3.4.9, 3.4.4-PAE), > >> and the usual responsive feel has returned. > >> > >> Vague, I know, but something bad happened in there somewhere. > > > > That's too vague for me to do anything with, sorry. Bisection would be > > good if you can figure out how to measure this. > > Well, I'd bet Donkeys to Daises that reverting the kernel/sched.c changes > will probably fix the responsiveness, but I haven't done that yet. > I've lost enough time already debugging the other issues. > > This is more just an indication that perhaps -stable patches need better > review > than they're getting. Take the setup.c breakage: as soon as I pointed it out, > a few people jumped in with knowledge that it was broken, and that patches > existed to fix it.
There will always be bugs, fixing them quickly is the best that we can do. > That kind of thing should be happening before a -stable release, > though I don't know how you would get the Right People to look > at this stuff then rather than after the fact. Maybe a topic > for a future kernel summit or something. I send patches to everyone involved, and there's a -rc period where people are _supposed_ to test things out. If you know of a better way to get other people to test and review, please let me know, this is the best that we have come up with so far. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/