> # ./lspci -vv -d 11ab:
> 02:01.0 Class 0100: 11ab:5081 (rev 03)
> 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: 32, cache line size 08
latency 32 is quite low; this parameter effects how long the device
can hold onto the bus. try
setpci -s 02:01.0 latency_timer=80
and see whether it improves things. I'm unclear on whether a bridged device
also needs the bridge's latency setting changed.
> Latency: 32, cache line size 08
also low. I'm guessing that your bios is tuned for desktop use - some audio
setups need low latency settings.
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