Re: [Discuss-gnuradio] kernel freeze during continuous transmission using USRP2

[Matt Ettus]

On 12/21/2009 03:31 PM, Jung Il Choi wrote:
> Hi,
>
> I am using ucla-zigbee stack for continuously transmitting a fixed
> symbol (all zeroes) for 802.15.4.
> I finally made it to work on USRP2 with RFX2400, but now my machine's
> kernel freezes after 5~10 minutes (even no ping responses). Basically,
> using sig_source I generate a stream of a constant 0's, and feed it to
> 802.15.4 modulator to transmit O-QPSK signal.
>
> When I do packetized transmissions once a second, I do not see the
> freezing problem. I only see this when I continuously transmit.
>
> Does anyone has any clue/suggestion? I am using Ubuntu 8.04 with the
> kernel 2.6.24-21, and using D-Link DGE-560T gigabit pci-express adapter.
> Thanks,
> Jung Il Choi


I've never seen this happen.  You are using a pretty old kernel and 
distribution, so you might try upgrading.

Matt