Hi Linus, On Sun, Mar 31, 2013 at 12:22 AM, Linus Torvalds <torva...@linux-foundation.org> wrote: > On Fri, Mar 29, 2013 at 10:57 PM, Emmanuel Benisty <benist...@gmail.com> > wrote: >> On Sat, Mar 30, 2013 at 12:10 PM, Linus Torvalds >>> >>> This came from the gcc build? >> >> yes, very early in the build process, IIRC this line was repeated a >> few times and the build just stalled. > > Ok, we're bringing out the crazy hacks now. > > The attached patch is just insane, doesn't really even work in > general, and only even compiles on 64-bit. But it should work in > *practice* to find if somebody adds the same RCU head to the RCU lists > twice, and ignore the second time it happens (and give a warning that > hopefully pinpoints the backtrace). > > It's ugly. It's broken. It may not work. In other words, I'm not proud > of it. But you seem to be the only one able to trigger the issue > easily, willing to try crazy crap, so "tag, you're it". Maybe this > gives us more information. And maybe it doesn't, and I'm totally wrong > about the whole "rcu head added twice" theory.
That's all I could get so far: https://gist.github.com/anonymous/5279255 Losing wireless is generally the start signal of controlled demolition of the machine. -- 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/