Re: [USRP-users] b200mini stops sampling

2020-09-10 Thread Nando Pellegrini via USRP-users
Hi Dave, I have seen the same following an overflow error the code drops in a time out message and no way to continue. It is certainly a problem but hopefully it'll be fixed with next releases. nando On 9/10/2020 14:55, David Evans via USRP-users wrote: Hi, I have just installed the latest "ma

Re: [USRP-users] [UHD] Announcing 4.0.0.0 Release Candidate 1

2020-08-30 Thread Nando Pellegrini via USRP-users
Marcus, Let's try to lower the volume of the discussion, what i criticize is the type of approach to problems and the feeling of being treated as reliable persons if not as ignorant. Eve if it's the case, please do not forget that you are representing Ettus and we are customers. Said that let's

Re: [USRP-users] [UHD] Announcing 4.0.0.0 Release Candidate 1

2020-08-29 Thread Nando Pellegrini via USRP-users
Marcus, I really do not understand what you are trying to demonstrate i have started long ago trying to use the easy GR blocks withe the B200mini and found out at once that the overhead introduced be the Gr blocks were  limiting the efficiency so you discovered the "warm water" as we say in It

Re: [USRP-users] [UHD] Announcing 4.0.0.0 Release Candidate 1

2020-08-29 Thread Nando Pellegrini via USRP-users
Marcus, Attached you can find the results of the benchmark test. I have been also compared the behavior with 2 different CPU and different USB type 3.0 for the older tower PC, USB 3.1 on the laptop, very strange the case of the older CPU generating an overflow every minute. The conditions were e

Re: [USRP-users] [UHD] Announcing 4.0.0.0 Release Candidate 1

2020-08-28 Thread Nando Pellegrini via USRP-users
Michael, I am posting a first feedback on the new 4.0 release candidate, i was in a hurry to test it hoping to be back able to use the full capabilities of my B200mini. The environment is an Ubuntu 20.4 with an Intel I7 CPU. The current results are not convincing yet, the following is a trace o

[USRP-users] Problems with "uhd::set_thread_priority_safe"

2020-06-30 Thread Nando Pellegrini via USRP-users
I am a B200mini user since few years used for radio astronomy observations with home made software. No trouble so far. I decided now to move to a new laptop PC running Ubuntu 18.4 with latest update (kernel 5.3.0-61) , after porting my software i am not able to receive anything above 40M samples