Hi, On Sat, 2008-10-11 at 19:41 +0200, Takashi Iwai wrote: > Could you build with XXX_CONST_TIMER defined? This will disable the > adaptive timer-resolution handling I added to the driver, which > doesn't > exist in OSS sbxfi code at all. No change in behaviour. It survives a little longer, but then the system hardlocks... without me even touching the keyboard even. > > > Noise is now on the right channel only. > > Does it mean that the left channel plays normally as expected? > Also, which sample rate are you using? I'm curious whether the sample > rate tracking is correct... No. The left channel is silent. > > > It might make more sense to poll for the DAC reset in the interrupt > > handler. I have noticed that the card generates an interrupt request > in > > Windows once the DAC is online. > > Interesting... Maybe putting some debug prints in interrupt handler > and else would help a bit for more understanding. > > > Something leads me to believe that the DMA mask is 32 bits, but > given > > that the behaviour is similar in both instances, I am unsure. > > This isn't a critical issue right now. It can be figured out safely > later. I am now actually 100% positive the DMA mask is 32 bits. By the way, it's an original X-Fi in this case (I have others to test with). lspci -vvv gives us: 05:01.0 Multimedia audio controller: Creative Labs SB X-Fi Subsystem: Creative Labs Device 0021 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, 1250ns max), Cache Line Size: 32 bytes Interrupt: pin A routed to IRQ 11 Region 0: I/O ports at d200 [size=32] Region 1: Memory at f0000000 (64-bit, non-prefetchable) [size=2M] Region 3: Memory at ec000000 (64-bit, non-prefetchable) [size=64M] Capabilities: [40] 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 Kernel is: Linux version 2.6.27 (nenolod@petrie) (gcc version 4.2.4 (Debian 4.2.4-2 +b1)) #1 SMP Sat Oct 11 11:59:08 CDT 2008 William
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