[hsflinux] problem - Conexant: RX FIFO OVERRUN (Bus Latency)

Linuxant support (Jonathan) support at linuxant.com
Mon Jul 10 16:53:10 EDT 2006


this error is generated when the driver is unable to process the sound 
in real time and had to breakdown the connection because of that.

Please make sure that you do not have a process on your machine which is 
attempting to use 100% CPU and/or I/O, this is a typical cause of this 

It is possible that you will get an additional hint to solve the problem 
by taking a look at the output of the 'cat 
/proc/driver/h*/0/lastcallstatus' command in a root shell. This command 
should be used after you have been disconnected and before you attempt a 
new connection.

If you have a valid license installed, it is possible that one of the 
following init. strings will fix the problem:

AT &F \N5
AT &F \N0
AT &F W1 +ER=1; +DR=1; +MS=V90,0
AT &F W1 +ER=1; +DR=1; +MS=V90,1
AT &F W1 +ER=1; +DR=1; +MS=V34,0
AT &F W1 +ER=1; +DR=1; +MS=V34,1
AT &F W1 +ER=1; +DR=1; +MS=V32B,0
AT &F W1 +ER=1; +DR=1; +MS=V32B,1
AT &F W1 +ER=1; +DR=1; +MS=V32,0
AT &F W1 +ER=1; +DR=1; +MS=V32,1


Technical specialist / Linuxant
support at linuxant.com

Daniel Pottumati wrote:
> Dear support,
> What does this mean and how do I fix:
> kernel: Conexant: RX FIFO OVERRUN (Bus Latency) - FIFOE<3>
> kernel: Conexant: TX FIFO UNDERRUN (Bus Latency) - FIFOE<3>
> This comes up in my logs and the connection breaks down.
> Running SuSE 10.1, kernel, (Old) Dell Inspiron Laptop
> Please help.
> ------------------------------------------------------------------------
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> hsflinux at lists.linuxant.com
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