Regression 7.0R -> 7-stable?

Jeremy Chadwick koitsu at
Tue Oct 7 13:37:13 UTC 2008

On Tue, Oct 07, 2008 at 02:37:24PM +0200, Gerrit Kühn wrote:
> On Tue, 7 Oct 2008 13:38:01 +0200 Gerrit Kühn <gerrit at>
> wrote about Re: Regression 7.0R -> 7-stable?:
> [...]
> GK> However, yesterday I upgraded the system to a recent 7-stable
> GK> codebase, and now it locks again hard after probing the CPU cores. My
> GK> setup remained exactly the same, the new code just does not work.
> GK> Please let me know what I have do to provide further information.
> Well, comparing the kernel setups again I found one thing that makes a
> difference: The scheduler (somewhen SCHED_ULE has been declared the
> default).
> SCHED_ULE is crashing the system, SCHED_4BSD works fine...

This is of great concern if in fact that's true.

I'm adding Jeff Roberson, author of the ULE/SMP2.0 code, to the CC.

| Jeremy Chadwick                                jdc at |
| Parodius Networking              |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |

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