suspend on Pavilion hangs

[Hanspeter Roth]

Hello,

I have -current installed on an HP Pavillion zt3030EA.
Trying to suspend (S3) hangs. First this message is displayed:

fwohci0: fwohci_pci_suspend

Then the display is dimmed a little. Then the system hangs. 
A longclick on the powerbutton shuts the laptop off. The next click
on the powerbutton turns on the power-led but nothing else happens.
Another longclick is required. Then the next click starts normal
boot.

Does ACPI suspend rely on swapspace?
What happens if there are devices that have 'no driver attached'? Is
suspending still possible?
What if I remove some devices from the kernel that are not
necessarily needed?

-Hanspeter
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Copyright (c) 1992-2004 The FreeBSD Project.
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	The Regents of the University of California. All rights reserved.
FreeBSD 5.2-CURRENT #2: Sat Aug 14 16:52:51 CEST 2004
    user at goofy.here:/usr/src/sys/i386/compile/F5
module cbb already present!
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) M processor 1500MHz (1495.15-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x695  Stepping = 5
  Features=0xa7e9f9bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,TM,PBE>
real memory  = 536674304 (511 MB)
avail memory = 515510272 (491 MB)
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <HP CPQ0860> on motherboard
acpi0: Power Button (fixed)
acpi_ec0: <Embedded Controller: GPE 0x1c> port 0x66,0x62 on acpi0
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
cpu0: <ACPI CPU (3 Cx states)> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82855 host to AGP bridge> mem 0xb0000000-0xbfffffff at device 0.0 on pci0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0x48c0-0x48df irq 10 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0x48e0-0x48ff irq 5 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0x4c00-0x4c1f irq 5 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xa0000000-0xa00003ff irq 5 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
ehci_pci_attach: companion usb0
ehci_pci_attach: companion usb1
ehci_pci_attach: companion usb2
usb3: EHCI version 1.0
usb3: companion controllers, 2 ports each: usb0 usb1 usb2
usb3: <EHCI (generic) USB 2.0 controller> on ehci0
usb3: USB revision 2.0
uhub3: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub3: 6 ports with 6 removable, self powered
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
fwohci0: <VIA Fire II (VT6306)> port 0x2400-0x247f mem 0x90200000-0x902007ff irq 10 at device 0.0 on pci2
fwohci0: [GIANT-LOCKED]
fwohci0: OHCI version 1.0 (ROM=1)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:02:3f:39:3e:00:40:d3
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 1024 bytes.
fwohci0: max_rec 1024 -> 2048
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:02:3f:00:40:d3
fwe0: Ethernet address: 02:02:3f:00:40:d3
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
re0: <RealTek 8139C+ 10/100BaseTX> port 0x2000-0x20ff mem 0x90300000-0x903000ff irq 10 at device 1.0 on pci2
miibus0: <MII bus> on re0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
re0: Ethernet address: 00:02:3f:66:6c:05
re0: [GIANT-LOCKED]
pci2: <network> at device 2.0 (no driver attached)
cbb0: <ENE CB1410 PCI-CardBus Bridge> mem 0x90100000-0x90100fff irq 5 at device 4.0 on pci2
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH4 UDMA100 controller> port 0x4c40-0x4c4f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 irq 5 at device 31.1 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
ichsmb0: <Intel 82801DC (ICH4) SMBus controller> port 0x4c20-0x4c3f irq 10 at device 31.3 on pci0
ichsmb0: [GIANT-LOCKED]
smbus0: <System Management Bus> on ichsmb0
smb0: <SMBus generic I/O> on smbus0
pcm0: <Intel ICH4 (82801DB)> port 0x4880-0x48bf,0x4000-0x40ff mem 0xa0300000-0xa03000ff,0xa0200000-0xa02001ff irq 10 at device 31.5 on pci0
pcm0: [GIANT-LOCKED]
pcm0: <Analog Devices AD1981B AC97 Codec>
pci0: <simple comms> at device 31.6 (no driver attached)
acpi_cmbat0: <Control Method Battery> on acpi0
acpi_acad0: <AC Adapter> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse, device ID 3
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A
sio1 port 0x7d0-0x7d7,0x3e8-0x3ef irq 3 drq 3 on acpi0
sio1: type 16550A
ppc0 port 0x778-0x77a,0x378-0x37f irq 7 drq 1 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
orm0: <ISA Option ROM> at iomem 0xc0000-0xcffff on isa0
pmtimer0 on isa0
fdc0: ready for input in output
fdc0: cmd 3 failed at out byte 1 of 3
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounter "TSC" frequency 1495153766 Hz quality 800
Timecounters tick every 10.000 msec
IP Filter: v3.4.35 initialized.  Default = block all, Logging = enabled
acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0%
ad0: 38154MB <IC25N040ATMR04-0/MO2OAD0A> [77520/16/63] at ata0-master UDMA100
ATAPI_RESET time = 440us
acd0: CDRW <HL-DT-ST DVD+RW GCA-4040N/1.15> at ata1-master PIO4
Mounting root from ufs:/dev/ad0s3a
WARNING: / was not properly dismounted
WARNING: /home was not properly dismounted
WARNING: /tmp was not properly dismounted
WARNING: /usr was not properly dismounted
WARNING: /var was not properly dismounted