Public bug reported:

I've discovered recently that I can't get my hard disks properly
identified by udev. I did not notice this earlier as it was working
until I tried to upgrade to 9.04 Intrepid (which failed for other
reasons causing rollback). The system originated from 7.10 from which I
upgraded until 9.04.

I tried live-cd's of 7.10, 8.04 and 8.10; none of these contain udev
which would create /dev/disk/by-uuid directory and UUID entries within.
The only directories I can find are /dev/disk/by-path and /dev/disk/by-
id.

I have fakeraid configuration and the missing /dev/disk/by-uuid/
directory appears when I install dmraid. However the directory is gone
after reboot. The only way to refer to disks is to use /dev/mapper/xxx
notation.

My mobo is asus m2n which contains NVIDIA nForce 430 circuit. I've 4
identical sata disks which are in fakeraid 0+1 configuration. Below is a
snapshot of udevadm info (on 8.04, 2.5.24-24 kernel):

r...@home-ws1:/# udevadm info --attribute-walk -n /dev/disk/by-id/ata-
WDC_WD2500AAJS-00VTA0_WD-WMART1409195

Udevinfo starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.

  looking at device '/block/sdc':
    KERNEL=="sdc"
    SUBSYSTEM=="block"
    DRIVER==""
    ATTR{dev}=="8:32"
    ATTR{range}=="16"
    ATTR{removable}=="0"
    ATTR{size}=="488397168"
    ATTR{stat}=="   12300    18464   494003    80432    12347    18560   247632 
  153328        0    44472   233816"
    ATTR{capability}=="12"

  looking at parent device 
'/devices/pci0000:00/0000:00:08.1/host2/target2:0:0/2:0:0:0':
    KERNELS=="2:0:0:0"
    SUBSYSTEMS=="scsi"
    DRIVERS=="sd"
    ATTRS{device_blocked}=="0"
    ATTRS{type}=="0"
    ATTRS{scsi_level}=="6"
    ATTRS{vendor}=="ATA     "
    ATTRS{model}=="WDC WD2500AAJS-0"
    ATTRS{rev}=="01.0"
    ATTRS{state}=="running"
    ATTRS{timeout}=="30"
    ATTRS{iocounterbits}=="32"
    ATTRS{iorequest_cnt}=="0x605b"
    ATTRS{iodone_cnt}=="0x605b"
    ATTRS{ioerr_cnt}=="0x0"
    ATTRS{modalias}=="scsi:t-0x00"
    ATTRS{evt_media_change}=="0"
    ATTRS{queue_depth}=="1"
    ATTRS{queue_type}=="none"

  looking at parent device '/devices/pci0000:00/0000:00:08.1/host2/target2:0:0':
    KERNELS=="target2:0:0"
    SUBSYSTEMS==""
    DRIVERS==""

  looking at parent device '/devices/pci0000:00/0000:00:08.1/host2':
    KERNELS=="host2"
    SUBSYSTEMS==""
    DRIVERS==""

  looking at parent device '/devices/pci0000:00/0000:00:08.1':
    KERNELS=="0000:00:08.1"
    SUBSYSTEMS=="pci"
    DRIVERS=="sata_nv"
    ATTRS{vendor}=="0x10de"
    ATTRS{device}=="0x03f6"
    ATTRS{subsystem_vendor}=="0x1043"
    ATTRS{subsystem_device}=="0x8234"
    ATTRS{class}=="0x010485"
    ATTRS{irq}=="23"
    ATTRS{local_cpus}=="03"
    ATTRS{modalias}=="pci:v000010DEd000003F6sv00001043sd00008234bc01sc04i85"
    ATTRS{numa_node}=="-1"
    ATTRS{enable}=="1"
    ATTRS{broken_parity_status}=="0"
    ATTRS{msi_bus}==""

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""

=====================================================

The kernel info
Linux home-ws1 2.6.24-24-generic #1 SMP Wed Apr 15 15:11:35 UTC 2009 x86_64 
GNU/Linux

=====================================================

Version signature
Ubuntu 2.6.24-24.53-generic

=====================================================

System info
r...@home-ws1:/# sudo lspci -vnvn
00:00.0 RAM memory [0500]: nVidia Corporation MCP61 Memory Controller 
[10de:03ea] (rev a1)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0
        Capabilities: [44] HyperTransport: Slave or Primary Interface
                Command: BaseUnitID=0 UnitCnt=17 MastHost- DefDir- DUL-
                Link Control 0: CFlE- CST- CFE- <LkFail- Init+ EOC- TXO- 
<CRCErr=0 IsocEn- LSEn- ExtCTL- 64b-
                Link Config 0: MLWI=16bit DwFcIn- MLWO=16bit DwFcOut- LWI=16bit 
DwFcInEn- LWO=16bit DwFcOutEn-
                Link Control 1: CFlE- CST- CFE- <LkFail+ Init- EOC+ TXO+ 
<CRCErr=0 IsocEn- LSEn- ExtCTL- 64b-
                Link Config 1: MLWI=8bit DwFcIn- MLWO=8bit DwFcOut- LWI=8bit 
DwFcInEn- LWO=8bit DwFcOutEn-
                Revision ID: 1.03
                Link Frequency 0: 1.0GHz
                Link Error 0: <Prot- <Ovfl- <EOC- CTLTm-
                Link Frequency Capability 0: 200MHz+ 300MHz+ 400MHz+ 500MHz+ 
600MHz+ 800MHz+ 1.0GHz+ 1.2GHz- 1.4GHz- 1.6GHz- Vend-
                Feature Capability: IsocFC+ LDTSTOP+ CRCTM- ECTLT- 64bA- UIDRD-
                Link Frequency 1: 200MHz
                Link Error 1: <Prot- <Ovfl- <EOC- CTLTm-
                Link Frequency Capability 1: 200MHz- 300MHz- 400MHz- 500MHz- 
600MHz- 800MHz- 1.0GHz- 1.2GHz- 1.4GHz- 1.6GHz- Vend-
                Error Handling: PFlE+ OFlE+ PFE- OFE- EOCFE- RFE- CRCFE- 
SERRFE- CF- RE- PNFE- ONFE- EOCNFE- RNFE- CRCNFE- SERRNFE-
                Prefetchable memory behind bridge Upper: 00-00
                Bus Number: 00
        Capabilities: [dc] HyperTransport: MSI Mapping

00:01.0 ISA bridge [0601]: nVidia Corporation MCP61 LPC Bridge [10de:03e0] (rev 
a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0
        Region 0: I/O ports at 0900 [size=256]

00:01.1 SMBus [0c05]: nVidia Corporation MCP61 SMBus [10de:03eb] (rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Interrupt: pin A routed to IRQ 10
        Region 0: I/O ports at cc00 [size=64]
        Region 4: I/O ports at 0600 [size=64]
        Region 5: I/O ports at 0700 [size=64]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:01.2 RAM memory [0500]: nVidia Corporation MCP61 Memory Controller 
[10de:03f5] (rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-

00:02.0 USB Controller [0c03]: nVidia Corporation MCP61 USB Controller 
[10de:03f1] (rev a3) (prog-if 10 [OHCI])
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0 (750ns min, 250ns max)
        Interrupt: pin A routed to IRQ 22
        Region 0: Memory at df6ff000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:02.1 USB Controller [0c03]: nVidia Corporation MCP61 USB Controller 
[10de:03f2] (rev a3) (prog-if 20 [EHCI])
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0 (750ns min, 250ns max)
        Interrupt: pin B routed to IRQ 23
        Region 0: Memory at df6fec00 (32-bit, non-prefetchable) [size=256]
        Capabilities: [44] Debug port
        Capabilities: [80] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME+

00:04.0 PCI bridge [0604]: nVidia Corporation MCP61 PCI bridge [10de:03f3] (rev 
a1) (prog-if 01 [Subtractive decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0
        Bus: primary=00, secondary=01, subordinate=02, sec-latency=64
        I/O behind bridge: 0000d000-0000dfff
        Memory behind bridge: df700000-dfefffff
        Prefetchable memory behind bridge: be000000-bfffffff
        Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
        Capabilities: [b8] Subsystem: nVidia Corporation Unknown device 
[10de:cb84]
        Capabilities: [8c] HyperTransport: MSI Mapping

00:05.0 Audio device [0403]: nVidia Corporation MCP61 High Definition Audio 
[10de:03f0] (rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0 (500ns min, 1250ns max)
        Interrupt: pin B routed to IRQ 22
        Region 0: Memory at df6f8000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/0 
Enable-
                Address: 0000000000000000  Data: 0000
                Masking: 00000000  Pending: 00000000
        Capabilities: [6c] HyperTransport: MSI Mapping

00:06.0 IDE interface [0101]: nVidia Corporation MCP61 IDE [10de:03ec] (rev a2) 
(prog-if 8a [Master SecP PriP])
        Subsystem: Unknown device [f043:8234]
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0 (750ns min, 250ns max)
        Region 0: [virtual] Memory at 000001f0 (32-bit, non-prefetchable) 
[disabled] [size=8]
        Region 1: [virtual] Memory at 000003f0 (type 3, non-prefetchable) 
[disabled] [size=1]
        Region 2: [virtual] Memory at 00000170 (32-bit, non-prefetchable) 
[disabled] [size=8]
        Region 3: [virtual] Memory at 00000370 (type 3, non-prefetchable) 
[disabled] [size=1]
        Region 4: I/O ports at ffa0 [size=16]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:07.0 Bridge [0680]: nVidia Corporation MCP61 Ethernet [10de:03ef] (rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0 (250ns min, 5000ns max)
        Interrupt: pin A routed to IRQ 508
        Region 0: Memory at df6fd000 (32-bit, non-prefetchable) [size=4K]
        Region 1: I/O ports at c480 [size=8]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable+ DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/3 
Enable+
                Address: 00000000fee0300c  Data: 4189
                Masking: 000000fe  Pending: 00000000
        Capabilities: [6c] HyperTransport: MSI Mapping

00:08.0 RAID bus controller [0104]: nVidia Corporation MCP61 SATA Controller 
[10de:03f6] (rev a2) (prog-if 85)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0 (750ns min, 250ns max)
        Interrupt: pin A routed to IRQ 20
        Region 0: I/O ports at c400 [size=8]
        Region 1: I/O ports at c080 [size=4]
        Region 2: I/O ports at c000 [size=8]
        Region 3: I/O ports at bc00 [size=4]
        Region 4: I/O ports at b880 [size=16]
        Region 5: Memory at df6fc000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [b0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/2 
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [cc] HyperTransport: MSI Mapping

00:08.1 RAID bus controller [0104]: nVidia Corporation MCP61 SATA Controller 
[10de:03f6] (rev a2) (prog-if 85)
        Subsystem: ASUSTeK Computer Inc. Unknown device [1043:8234]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0 (750ns min, 250ns max)
        Interrupt: pin B routed to IRQ 23
        Region 0: I/O ports at b800 [size=8]
        Region 1: I/O ports at b480 [size=4]
        Region 2: I/O ports at b400 [size=8]
        Region 3: I/O ports at b080 [size=4]
        Region 4: I/O ports at b000 [size=16]
        Region 5: Memory at df6ef000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [b0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/2 
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [cc] HyperTransport: MSI Mapping

00:09.0 PCI bridge [0604]: nVidia Corporation MCP61 PCI Express bridge 
[10de:03e8] (rev a2) (prog-if 00 [Normal decode])
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0, Cache Line Size: 64 bytes
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
        I/O behind bridge: 0000e000-0000efff
        Memory behind bridge: dff00000-dfffffff
        Prefetchable memory behind bridge: 00000000c0000000-00000000cfffffff
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-
        Capabilities: [40] Subsystem: nVidia Corporation Unknown device 
[10de:0000]
        Capabilities: [48] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 
Enable-
                Address: 00000000fee0300c  Data: 4151
        Capabilities: [60] HyperTransport: MSI Mapping
        Capabilities: [80] Express Root Port (Slot+) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s <64ns, L1 <1us
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+
                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                Device: MaxPayload 128 bytes, MaxReadReq 512 bytes
                Link: Supported Speed 2.5Gb/s, Width x16, ASPM L0s L1, Port 0
                Link: Latency L0s <512ns, L1 <4us
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x16
                Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise-
                Slot: Number 1, PowerLimit 75.000000
                Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq-
                Slot: AttnInd Off, PwrInd On, Power-
                Root: Correctable- Non-Fatal- Fatal- PME-

00:0b.0 PCI bridge [0604]: nVidia Corporation MCP61 PCI Express bridge 
[10de:03e9] (rev a2) (prog-if 00 [Normal decode])
        Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0, Cache Line Size: 64 bytes
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
        Capabilities: [40] Subsystem: nVidia Corporation Unknown device 
[10de:0000]
        Capabilities: [48] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 
Enable-
                Address: 00000000fee0300c  Data: 4159
        Capabilities: [60] HyperTransport: MSI Mapping
        Capabilities: [80] Express Root Port (Slot+) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s <64ns, L1 <1us
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+
                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                Device: MaxPayload 128 bytes, MaxReadReq 512 bytes
                Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s L1, Port 1
                Link: Latency L0s <512ns, L1 <4us
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x1
                Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise-
                Slot: Number 2, PowerLimit 10.000000
                Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq-
                Slot: AttnInd Off, PwrInd On, Power-
                Root: Correctable- Non-Fatal- Fatal- PME-

00:0c.0 PCI bridge [0604]: nVidia Corporation MCP61 PCI Express bridge 
[10de:03e9] (rev a2) (prog-if 00 [Normal decode])
        Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0, Cache Line Size: 64 bytes
        Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
        Capabilities: [40] Subsystem: nVidia Corporation Unknown device 
[10de:0000]
        Capabilities: [48] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 
Enable-
                Address: 00000000fee0300c  Data: 4161
        Capabilities: [60] HyperTransport: MSI Mapping
        Capabilities: [80] Express Root Port (Slot+) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s <64ns, L1 <1us
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+
                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                Device: MaxPayload 128 bytes, MaxReadReq 512 bytes
                Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s L1, Port 2
                Link: Latency L0s <512ns, L1 <4us
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x1
                Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise-
                Slot: Number 3, PowerLimit 10.000000
                Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq-
                Slot: AttnInd Off, PwrInd On, Power-
                Root: Correctable- Non-Fatal- Fatal- PME-

00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
HyperTransport Technology Configuration [1022:1100]
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Capabilities: [80] HyperTransport: Host or Secondary Interface
                !!! Possibly incomplete decoding
                Command: WarmRst+ DblEnd-
                Link Control: CFlE- CST- CFE- <LkFail- Init+ EOC- TXO- <CRCErr=0
                Link Config: MLWI=16bit MLWO=16bit LWI=16bit LWO=16bit
                Revision ID: 1.02

00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Address Map [1022:1101]
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-

00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
DRAM Controller [1022:1102]
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-

00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Miscellaneous Control [1022:1103]
        Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Capabilities: [f0] #0f [0010]

01:08.0 CardBus bridge [0607]: Ricoh Co Ltd RL5c475 [1180:0475] (rev 81)
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 168
        Interrupt: pin A routed to IRQ 19
        Region 0: Memory at df700000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=01, secondary=02, subordinate=05, sec-latency=176
        Memory window 0: 88000000-8bfff000 (prefetchable)
        Memory window 1: 8c000000-8ffff000
        I/O window 0: 0000d000-0000d0ff
        I/O window 1: 0000d400-0000d4ff
        BridgeCtl: Parity+ SERR+ ISA- VGA- MAbort- >Reset- 16bInt- PostWrite+
        16-bit legacy interface ports at 0001

02:00.0 Ethernet controller [0200]: Atheros Communications Inc. AR5212/AR5213 
Multiprotocol MAC/baseband processor [168c:0013] (rev 01)
        Subsystem: D-Link System Inc D-Link AirPlus DWL-G650 Wireless Cardbus 
Adapter(rev.C) [1186:3a12]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 168 (2500ns min, 7000ns max), Cache Line Size: 128 bytes
        Interrupt: pin A routed to IRQ 19
        Region 0: Memory at 8c000000 (32-bit, non-prefetchable) [size=64K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=2 PME-

03:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV630 [Radeon HD 
2600XT] [1002:9588] (prog-if 00 [VGA controller])
        Subsystem: PC Partner Limited Unknown device [174b:e540]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 17
        Region 0: Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Region 2: Memory at dfff0000 (64-bit, non-prefetchable) [size=64K]
        Region 4: I/O ports at e800 [size=256]
        Expansion ROM at dffc0000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [58] Express Legacy Endpoint IRQ 0
                Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag+
                Device: Latency L0s <4us, L1 unlimited
                Device: AtnBtn- AtnInd- PwrInd-
                Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
                Link: Supported Speed 2.5Gb/s, Width x16, ASPM L0s L1, Port 0
                Link: Latency L0s <64ns, L1 <1us
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x16
        Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable-
                Address: 0000000000000000  Data: 0000

03:00.1 Audio device [0403]: ATI Technologies Inc RV630/M76 audio device 
[Radeon HD 2600 Series] [1002:aa08]
        Subsystem: PC Partner Limited Unknown device [174b:aa08]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin B routed to IRQ 18
        Region 0: Memory at dffec000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [58] Express Legacy Endpoint IRQ 0
                Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag+
                Device: Latency L0s <4us, L1 unlimited
                Device: AtnBtn- AtnInd- PwrInd-
                Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
                Link: Supported Speed 2.5Gb/s, Width x16, ASPM L0s L1, Port 0
                Link: Latency L0s <64ns, L1 <1us
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x16
        Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 
Enable-
                Address: 0000000000000000  Data: 0000

** Affects: ubuntu
     Importance: Undecided
         Status: New

-- 
udev fails to create UUID's under /dev/disk/by-uuid
https://bugs.launchpad.net/bugs/378429
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