pcm0:play:0: play interrupt timeout, channel dead

I have this problem when using skype. Normal sound playback via e.g.
xmms goes well. This is on a Dell Latitude D600. 

Underneath my dmesg (witout ACPI,  with ACPI I get the same results).

> cat /dev/sndstat 
FreeBSD Audio Driver (newpcm)
Installed devices:
pcm0: <Intel ICH4 (82801DB)> at io 0xf4fff800, 0xf4fff400 irq 11 bufsz 16384 (1p/1r/0v channels duplex default)


Copyright (c) 1992-2004 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD 5.2.1-RELEASE-p4 #3: Tue Mar 30 19:53:18 CEST 2004
    guido_at_beck.gvr.org:/usr/obj/usr/src/sys/MOUSE
Preloaded elf kernel "/boot/kernel/kernel" at 0xc08d4000.
Preloaded elf module "/boot/kernel/snd_ich.ko" at 0xc08d41cc.
Preloaded elf module "/boot/kernel/snd_pcm.ko" at 0xc08d4278.
Preloaded elf module "/boot/kernel/ng_ubt.ko" at 0xc08d4324.
Preloaded elf module "/boot/kernel/netgraph.ko" at 0xc08d43d0.
Preloaded elf module "/boot/kernel/ndis.ko" at 0xc08d4480.
Preloaded elf module "/boot/kernel/if_ndis.ko" at 0xc08d452c.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) M processor 1400MHz (1398.82-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  = 804970496 (767 MB)
avail memory = 772132864 (736 MB)
Pentium Pro MTRR support enabled
VESA: v2.0, 32704k memory, flags:0x1, mode table:0xc07961a2 (1000022)
VESA: ATI MOBILITY RADEON 9000
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcibios: BIOS version 2.10
Using $PIR table, 9 entries at 0xc00fc580
pcib0: <Host to PCI bridge> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
pci_cfgintr: 0:29 INTA BIOS irq 11
pci_cfgintr: 0:29 INTB BIOS irq 11
pci_cfgintr: 0:29 INTC BIOS irq 11
pci_cfgintr: 0:29 INTD BIOS irq 11
pci_cfgintr: 0:31 INTB BIOS irq 11
pci_cfgintr: 0:31 INTB BIOS irq 11
agp0: <Intel 82855 host to AGP bridge> mem 0xe0000000-0xe7ffffff at device 0.0 on pci0
pcib1: <PCIBIOS PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci_cfgintr: 1:0 INTA BIOS irq 11
drm0: <ATI Radeon Lf R250 Mobility 9000 M9> port 0xc000-0xc0ff mem 0xfcff0000-0xfcffffff,0xe8000000-0xefffffff irq 11 at device 0.0 on pci1
info: [drm] AGP at 0xe0000000 128MB
info: [drm] Initialized radeon 1.10.0 20020828 on minor 0
uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0xbf80-0xbf9f irq 11 at device 29.0 on pci0
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
ubt0: vendor 0x413c product 0x8000, rev 1.10/5.65, addr 2
ubt0: Interface 0 endpoints: interrupt=0x81, bulk-in=0x82, bulk-out=0x2
ubt0: Interface 1 (alt.config 5) endpoints: isoc-in=0x83, isoc-out=0x3; wMaxPacketSize=49; nframes=6, buffer size=294
uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0xbf40-0xbf5f irq 11 at device 29.1 on pci0
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 0xbf20-0xbf3f irq 11 at device 29.2 on pci0
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
pci0: <serial bus, USB> at device 29.7 (no driver attached)
pcib2: <PCIBIOS PCI-PCI bridge> at device 30.0 on pci0
pci2: <PCI bus> on pcib2
pci_cfgintr: 2:0 INTA BIOS irq 11
pci_cfgintr: 2:1 INTA BIOS irq 11
pci_cfgintr: 2:1 INTA BIOS irq 11
pci_cfgintr: 2:3 INTA BIOS irq 11
bge0: <Broadcom BCM5702 Gigabit Ethernet, ASIC rev. 0x1002> mem 0xfaff0000-0xfaffffff irq 11 at device 0.0 on pci2
bge0: Ethernet address: 00:0b:db:a0:9d:66
miibus0: <MII bus> on bge0
brgphy0: <BCM5703 10/100/1000baseTX PHY> on miibus0
brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 1000baseTX-FDX, auto
cbb0: <PCI-CardBus Bridge> irq 11 at device 1.0 on pci2
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
cbb0: [MPSAFE]
cbb1: <PCI-CardBus Bridge> irq 11 at device 1.1 on pci2
cardbus1: <CardBus bus> on cbb1
pccard1: <16-bit PCCard bus> on cbb1
cbb1: [MPSAFE]
ndis0: <Dell TrueMobile 1300 WLAN Mini-PCI Card> mem 0xfafee000-0xfafeffff irq 11 at device 3.0 on pci2
ndis0: NDIS API version: 5.0
ndis0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
ndis0: 11g rates: 6Mbps 9Mbps 12Mbps 18Mbps 36Mbps 48Mbps 54Mbps
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH4 UDMA100 controller> port 0xbfa0-0xbfaf,0x374-0x377,0x170-0x177,0x3f4-0x3f7,0x1f0-0x1f7 at device 31.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
pcm0: <Intel ICH4 (82801DB)> port 0xbc40-0xbc7f,0xb800-0xb8ff mem 0xf4fff400-0xf4fff4ff,0xf4fff800-0xf4fff9ff irq 11 at device 31.5 on pci0
pcm0: <SigmaTel STAC9750/51 AC97 Codec>
pci0: <simple comms> at device 31.6 (no driver attached)
orm0: <Option ROM> at iomem 0xc0000-0xcffff on isa0
pmtimer0 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> flags 0x6100 irq 12 on atkbdc0
psm0: model GlidePoint, device ID 0
fdc0: ready for input in output
fdc0: cmd 3 failed at out byte 1 of 3
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
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
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0f13> can't assign resources (irq)
unknown: <PNP0501> can't assign resources (port)
unknown: <SMCf010> can't assign resources (port)
unknown: <PNP0401> can't assign resources (port)
Timecounter "TSC" frequency 1398820377 Hz quality 800
Timecounters tick every 10.000 msec
Fast IPsec: Initialized Security Association Processing.
pccard1: <unknown card> (manufacturer=0xffff, product=0x0001) at function 0
pccard1:    CIS info: O2Micro, SmartCardBus Reader, V1.0
GEOM: create disk ad0 dp=0xc637a160
ad0: 28615MB <TOSHIBA MK3021GAS> [58140/16/63] at ata0-master UDMA100
Mounting root from ufs:/dev/ad0s3a
WARNING: driver "rtc" used unreserved major device number 202
WARNING: driver "vmmon" used unreserved major device number 200
vmmon: Module vmmon: registered with major=200 minor=0 tag=$Name: build-570 (3.2.x mvm) $
vmmon: Module vmmon: initialized
bge0: promiscuous mode enabled
vmnet1: promiscuous mode enabled
info: [drm] Loading R200 Microcode
drm0: [MPSAFE]
pcm0:play:0: play interrupt timeout, channel dead

-Guido