I'm looking for some pointers on debugging a problem with my DVICO
FusionHDTV Hybrid DVB-T card.
The device was working perfectly prior to a reconfiguration of my machine,
kernel upgrade etc...
Now, on a cold start everything seems to start smoothly but I can't tune
channels.
Then, after a reboot the device is not detected due to "invalid subsystem
id". As below lspci reports no subsystem information at all.
Comparing the lspci output seems to be around the "Region 0: Memory at
ee000000 v de000000", but I'm not
sure what this means, and whether fixing the reboot problem will fix the
channel tuning problem.
Running mythbuntu 8.10
2.6.27-11-generic #1 SMP Thu Jan 29 19:28:32 UTC 2009 x86_64 GNU/Linux
lspci -vvnn after cold start
00:0a.0 Multimedia video controller [0400]: Conexant Systems, Inc.
CX23880/1/2/3 PCI Video and Audio Decoder [14f1:8800] (rev 05)
Subsystem: DViCO Corporation Device [18ac:db40]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 32 (5000ns min, 13750ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at de000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] 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-
Kernel driver in use: cx8800
Kernel modules: cx8800
00:0a.1 Multimedia controller [0480]: Conexant Systems, Inc. CX23880/1/2/3
PCI Video and Audio Decoder [Audio Port] [14f1:8811] (rev 05)
Subsystem: DViCO Corporation Device [18ac:db40]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 32 (1000ns min, 63750ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 11
Region 0: Memory at df000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [4c] 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-
Kernel modules: cx88-alsa
00:0a.2 Multimedia controller [0480]: Conexant Systems, Inc. CX23880/1/2/3
PCI Video and Audio Decoder [MPEG Port] [14f1:8802] (rev 05)
Subsystem: DViCO Corporation Device [18ac:db40]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 32 (1500ns min, 22000ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at e0000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [4c] 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-
Kernel driver in use: cx88-mpeg driver manager
Kernel modules: cx8802
lspci -vvnn after warm reboot
00:0a.0 Multimedia video controller [0400]: Conexant Systems, Inc.
CX23880/1/2/3 PCI Video and Audio Decoder [14f1:8800] (rev 05)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (5000ns min, 13750ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at ee000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] 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-
Kernel driver in use: cx8800
Kernel modules: cx8800
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