From: Ang Way Chuang <wcang@nav6.org>
To: Grant Gardner <grant@lastweekend.com.au>
Cc: linux-media@vger.kernel.org
Subject: Re: No subsystem id (and therefore no cx88_dvb loaded) after reboot
Date: Wed, 18 Mar 2009 09:26:22 +0900 [thread overview]
Message-ID: <49C03FAE.9060009@nav6.org> (raw)
In-Reply-To: <e0f27036e7a5af1cc8e8a725b522593b@localhost>
I experience similar problem with HVR4000 Lite cards that we have in the
lab. The card can't tune after cold boot, but a reboot will fix the
problem. I will check whether it has the similar invalid subsystem id
problem.
Grant Gardner wrote:
>
>
> 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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>
next prev parent reply other threads:[~2009-03-18 0:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-17 11:59 No subsystem id (and therefore no cx88_dvb loaded) after reboot Grant Gardner
2009-03-18 0:26 ` Ang Way Chuang [this message]
2009-03-18 7:59 ` Ang Way Chuang
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