In the terminal and while using a powerful PC (please see the
I am occasionally getting capital U’s and L’s when running GNU Radio
one Tx and 4 Rx channels (Here is a sample of what I am getting:
Please note that I am using timed-commands to start both the Tx and Rx’s
the same time. When I check the System Monitor while GNU Radio is
(please see the attachment), the CPU history and RAM usage seem to be
Also, swap memory is disabled as shown in the attachment. What causes
issue and how to handle it? Could it be due to some instability in the
writing speed to the hard drive?
BTW, I am having the same issue for my older PC (a PC with less specs).
System Monitor tells me that my CPU usage is around 60% and my RAM usage
around 45%, however, I am getting U’s and L’s when I try to use four Rx
channels. Please note that the system doesn’t throw lots of U’s and L’s
once, it is a kind of frequent where a bunch of them are thrown out
many seconds or so.
Thanks in advance for your help.