Re: ACPI breakage

From: Tim Robbins <tjr_at_freebsd.org>
Date: Sat, 22 May 2004 14:07:50 +1000
On Sat, May 22, 2004 at 01:15:05AM +1000, Tim Robbins wrote:
> On Fri, May 21, 2004 at 10:43:01AM -0400, John Baldwin wrote:
> 
> > On Friday 21 May 2004 07:21 am, Tim Robbins wrote:
> > > Hi,
> > >
> > > On trying to boot a recent CURRENT kernel on one of my machines (i386
> > > kernel, Pentium III (Katmai) 500 MHz CPU, Abit BH6 motherboard), I get a
> > > panic: ...
> > > pcib1: <PCI-PCI bridge> at device 1.0 on pci0
> > > pci1: <ACPI PCI bus> on pcib1
> > > pcib0: slot 1 INTA is routed to irq 12
> > > pcib1: slot 0 INTA is routed to irq 12
> > >
> > > Fatal trap 12: page fault while in kernel mode
> > > fault virtual address = 0x15
> > 
> > You shouldn't have an ACPI PCI bus as the child of a PCI bus.  What happens if 
> > you revert rev 1.65 of sys/dev/acpica/acpivar.h?
> 
> It turns out that I reverted acpivar.h to rev. 1.64 when I reverted
> acpi_ec.c to 1.47. I'll try acpi_ec.c 1.49 + acpivar.h 1.64 and report
> back on the results.

Just following up on this: I built two otherwise identical kernels, one with 
acpivar.h revision 1.64, and one with revision 1.65. The kernel with 1.64
worked fine, but the kernel with 1.65 panicked while probing PCI busses.


Tim
Received on Fri May 21 2004 - 19:07:50 UTC

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