Switching to SCHED_ULE leads to panic ...
Jeff Roberson
jroberson at chesapeake.net
Fri Dec 19 15:16:55 PST 2003
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 at hub.org Yahoo!: yscrappy ICQ: 7615664
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