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Date:      Tue, 07 Feb 2012 05:40:09 +0000
From:      Will McCutcheon <freebsd2@toyingwithfate.com>
To:        <freebsd-questions@freebsd.org>
Subject:   Kernel stalling at "pci0: <ACPI bus> on pcib0"
Message-ID:  <80700b9cfe8b34cf222637f5282524aa@mail.toyingwithfate.com>

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Hello all,

I recently got a HP t5700 thin client that I wanted to turn into a
firewall using pfSense. For reference, this system uses a Transmeta Crusoe
TM5800 CPU with a VIA chipset that I'm having difficulty identifying. My
issue is that about half of the time the kernel will stall during startup
after the following:

Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:15:25 UTC 2012
    root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/CENERIC i386
CPU: Transmeta(tm) Crusoe(tm) Processor TM5800 (997.69-MHz 586-class CPU)
  Origin = "CenuineTMx86"  Id = 0x543  Family = 5  Model = 4  Stepping = 3
  Features= 0x84893f<FPU,VME,DE,PSE,TSC,MSR,CX8,SEP,CMOV,PN,MMX>
real memory  = 270532608 (258 MB)
avail memory = 226930688 (216 MB)
kbd1 at kbdmux0
acpi0: <I-BASE AWRDACPI> on motherboard
acpi0: Power Button (fixed)
acpi0: Sleep Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, eef0000 (3) failed
acpi_timer0: couldn't allocate resource (port 0x4008)
cpu0: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port
Oxcf8-0xcff,0x4000-0x407f,0x4080-0x40ff,0x500
0-0x500f on acpi0
pcib0: Length mismatch for 4 range: f00 vs eff
pcib0: Length mismatch for 4 range: aff0 vs afef
pciO: <ACPI PCI bus> on pcib0

If I power the system off and on again there's about a 50/50 chance it
will start up properly, whereupon it will run for days without issue. It's
just during startup that I see any problems. I've tried two separate
systems of the same model but they both exhibit the same issue, thus
suggesting it's not a one-off hardware defect. I tried both pfSense 2.0.1
(which is FreeBSD 8.1-based) and FreeBSD 9.0-RELEASE from a USB stick, but
they exhibited the same issue.

I do see some acpi0 and pcib0 messages in there that seem possibly
problematic, but I'm a bit out of my depth here. Could anyone spare a
moment to suggest any further troubleshooting steps I might try? Thanks so
much for your time!

Will



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