> with verbose mode I get
> isa0 is at root
> immediatly after the installing busra line
Hmm, so maybe it is hanging in isa_attach() ?
http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/i86pc/io/isa.c#201
To verify this, boot with options " -kdvs" and in kmdb
set a breakpoint in isa_attach, and start the kernel:
::bp isa`isa_attach
::cont
This should stop in kmdb before isa_attach() runs.
::step out
Now it should stop once more in kmdb, after
isa_attach() has returned. Does it stop in kmdb
after the "::step out" command, or does it hang?
In case it hangs in isa_attach: the code tries to
use ACPI to enumerate isa devices. Apparently
you can use option "-B acpi-enum=off" to disable
acpi for isa device enumeration.
The acpi isa bus enumeration code also contains
a debug switch to enable debug output, try to
boot with "-B acpi_enum_debug=0xffff" to enable
all debug output.
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