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Date: Fri, 19 Dec 2003 18:16:35 -0500 (EST)
From: Jeff Roberson <jroberson@chesapeake.net>
To: "Marc G. Fournier" <scrappy@hub.org>
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Subject: Re: Switching to SCHED_ULE leads to panic ... 
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On Fri, 19 Dec 2003, Marc G. Fournier wrote:

>
> Just figured I'd switch over to using SCHED_ULE, vs _4BSD ... rebooted
> with new kernel, got to command line prompt, type 'make installworld' and
> "boom" ... DDB/trace shows:

Thanks, looks like ULE is broken on UP systems with the SMP kernel option
enabled.  Can you disable SMP for now, and I'll fix ULE?

Thanks,
Jeff

>
> lapic_ipi_wait		+0x30
> lapic_ipi_vectored	+0x4f
> ipi_selected		+0x25
> kseq_notify		+0x8e
> kseq_transfer		+0xbb
> sched_add		+0x176
> setrunqueue		+0x174
> sched_wakeup		+0x94
> setrunnable		+0x9a
> doselwakeup		+0x178
> setwakeuppri		+0x18
> pipe_write		+0x861
> dofilewrite		+0xfb
>
> dmesg and kernel config both attached ...
>
> I can't seem to get a core dump out of the system ... when I type 'panic'
> at the DDB prompt, it prompts me again ... I type 'panic' again, it tells
> me what my uptime is, and then just hangs there ...
>
> kernel code is CVSup'd from this afternoon ...
>
>
> ----
> Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
> Email: scrappy@hub.org           Yahoo!: yscrappy              ICQ: 7615664