Panic "vm_fault_lookup: fault on nofault entry" amd64 r362008 -> r362045
David Wolfskill
david at catwhisker.org
Thu Jun 11 16:33:33 UTC 2020
On Thu, Jun 11, 2020 at 12:24:17PM -0400, Mark Johnston wrote:
> ...
> > Unfortunately, I ran out of time to do further experiments for now; I'll
> > need to do some work-related things for a while, but thought that this
> > might at least provide some useful information.
> >
> > Here is what I commented out:
> >
> > g1-55(12.1-S)[2] grep KIB boot/loader.conf
> > # KIB coretemp_load="YES"
> > # KIB iwn5000fw_load="YES"
> > # KIB linux_load="YES"
> > # KIB nvidia-modeset_load="YES"
> > # KIB cuse_load="YES"
> > # KIB geom_eli_load="YES"
> > # KIB filemon_load="YES"
>
> Thanks. I'm able to reproduce a somewhat similar problem in bhyve: if I
> preload iwn5000fw.ko, a r362045 kernel fails to boot very early with
>
> ---<<BOOT>>---
> ACPI: Failed to map RSDT
> APIC: Could not find any APICs.
> panic: running without device atpic requires a local APIC
Ah -- excellent (that you are able to pretty much reproduce this). And
it explains why my build machine wasn't affected: it doesn't use
wireless drivers at all.
> Reverting r362035 allows the kernel to boot again, but so does adding a
> few printf() calls to the pmap and ACPI code.
Kinky. :-}
Peace,
david
--
David H. Wolfskill david at catwhisker.org
Someone who suggests he can "pardon himself" calls for "LAW & ORDER" -- right.
See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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