Regression between 9-RELEASE and 9-STABLE [PCIB ?]

Harry Newton hn at
Tue Feb 28 19:39:27 UTC 2012

9-RELEASE works fine. csup to 9-STABLE and make buildworld kernel etc
gives a system the hangs during the boot process. There are no error
messages during the part boot, and no panic. Last messages before hang

pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0

I am stumped about how to diagnose this, and would be _very_ grateful
for any suggestions.

When it's hung I can't force a break to debugger (BREAK_TO_DEBUGGER)
in kern conf: I imagine I'm too early in the boot sequence.

- Harry

Harry Newton

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