hard freezes with hdsp with cardbus/pci adapter card

[Tim Blechmann]

hi all,

i still have the issue described in this mail, a hard freeze, when using
the rme hdsp via an ene cb1410 cardbus controller card.

are there any debugging techniques for debugging a hard freeze? like,
would it make sense to set up a serial console in order to run a kernel
debugger? or would that be useless for debugging a hard freeze?

thanks, tim

On 08/10/2009 11:32 PM, Tim Blechmann wrote:
> hi all,
> 
> i have some issues with playback on one of my machines with different
> kernels, having my rme hammerfall hdsp connected via a cardbus/pci
> adapter card.
> 
> after some time (between a few seconds and several minutes) of flawless
> playback, the system completely freezes, magic sysrq keys are not
> functional either ... the freeze occurs with rt and non-rt kernels,
> with jack running with and without realtime scheduling.
> 
> i have the suspicion, that it is related to the combination of the hdsp
> with the cardbus controller of the adapter card ...
> 
> the interesting part of lspci is:
> 06:01.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller
> (rev 01)
> 	Subsystem: ENE Technology Inc CB1410 Cardbus Controller
> 	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: 168, Cache Line Size: 64 bytes
> 	Interrupt: pin A routed to IRQ 17
> 	Region 0: Memory at fb600000 (32-bit, non-prefetchable) [size=4K]
> 	Bus: primary=06, secondary=07, subordinate=0a, sec-latency=176
> 	Memory window 0: c4000000-c7fff000 (prefetchable)
> 	Memory window 1: c8000000-cbfff000
> 	I/O window 0: 0000e000-0000e0ff
> 	I/O window 1: 0000e400-0000e4ff
> 	BridgeCtl: Parity+ SERR+ ISA- VGA- MAbort- >Reset- 16bInt- PostWrite+
> 	16-bit legacy interface ports at 0001
> 	Kernel driver in use: yenta_cardbus
> 	Kernel modules: yenta_socket
> 
> 07:00.0 Multimedia audio controller: Xilinx Corporation RME Hammerfall
> DSP (rev 0f)
> 	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: 255
> 	Interrupt: pin A routed to IRQ 17
> 	Region 0: Memory at c8000000 (32-bit, non-prefetchable) [size=64K]
> 	Kernel driver in use: RME Hammerfall DSP
> 	Kernel modules: snd-hdsp
> 
> the irq 17 is used by these two devices only. i am not sure, how to
> proceed debugging this, since i cannot get any useful debugging
> information ...
> 
> thnx, tim

-- 
tim at klingt.org
http://tim.klingt.org

Relying on the government to protect your privacy is like asking a
peeping tom to install your window blinds.
  John Perry Barlow

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