It seems Peter Wemm wrote:
> Hmm.  with the mp_machdep.c fix committed, that leaves the only other
> significant difference being the re-enable of HLT when a cpu goes idle
> in i386/i386/machdep.c.

That still lockups, tried a freshly checked out sys...

> The refcount.[ch] stuff is not relevant to this problem.
> The kern/subr_prf.c change doesn't *appear* to be a likely candidate,
> unless you are printing lots of console messages during the buildworld..
> The kern/vfs_aio.c are not relevant as VFS_AIO is not in GENERIC.
> The rest are comments, mtx_assert()'s or DDB activation related.
> Soren, can you retest a buildworld with the currently committed kernel
> with no other changes?  Let us see if the forward_signal() stuff is the
> culprit, and if not, try adding just the i386/i386/machdep.c patch to HLT
> the idle CPU.  (if *that* makes a difference then we have got trouble!)

I'll try adding the forward_signal stuff see if that helps...


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