Re: [Discuss-gnuradio] buffer allocation failing with RuntimeError: bad_alloc

2019-11-21 Thread Philip Balister
Look in ${HOME}/.gnuradio/prefs/vmcircbuf_default_factory and see what is there and maybe change to this: gr::vmcircbuf_mmap_tmpfile_factory Philip On 11/21/19 4:59 AM, Eamon Heaney wrote: > I'm running the sample wifi_tx.grc flowchart from gr-ieee802.11, > substituting a null sink for the US

Project Call Today! 10 AM Pacific, 19:00 CET

2019-11-21 Thread Martin Braun
Hi all, we have another project call today, in 18 minutes (sorry for the late announcement). Join us on IRC or Slack for the meeting link. I'll post the YT link here, too. Cheers! --M

Re: [Discuss-gnuradio] buffer allocation failing with RuntimeError: bad_alloc

2019-11-21 Thread Eamon Heaney
Yeah, I tried changing the maximum shared memory, but that didn't work. I mean, it didn't resolve the problem; I gave it 2147483648 but the error persists. I tried adding a zero to that, but that's an "Invalid Argument." On Thu, Nov 21, 2019 at 5:17 AM Ron Economos wrote: > You must be running a

Re: UHD: USRP source issue when using 2 channels

2019-11-21 Thread Ron Economos
Also confirm it's fixed. Ron On 11/21/19 02:25, jean-michel.fri...@femto-st.fr wrote: I confirm that with the current git (GNU Radio 3.9.0) the issue seems solved. JM -- JM Friedt, FEMTO-ST Time & Frequency/SENSeOR, 26 rue de l'Epitaphe, 25000 Besancon, France November 21, 2019 11:14 AM, "Mü

Re: UHD: USRP source issue when using 2 channels

2019-11-21 Thread jean-michel.fri...@femto-st.fr
I confirm that with the current git (GNU Radio 3.9.0) the issue seems solved. JM -- JM Friedt, FEMTO-ST Time & Frequency/SENSeOR, 26 rue de l'Epitaphe, 25000 Besancon, France November 21, 2019 11:14 AM, "Müller, Marcus" wrote: > I'm s close to shouting out "ha-ha! Integer signedness error!

Re: UHD: USRP source issue when using 2 channels

2019-11-21 Thread Ron Economos
I'll give it a try. Ron On 11/21/19 02:13, Müller, Marcus (CEL) wrote: I'm s close to shouting out "ha-ha! Integer signedness error!", but I think chances are this was fixed on master in 8eb1a354c0b5126b6c0b7d55b68963a155088b3a. On Thu, 2019-11-21 at 01:57 -0800, Ron Economos wrote: I ha

Re: [Discuss-gnuradio] buffer allocation failing with RuntimeError: bad_alloc

2019-11-21 Thread Ron Economos
You must be running an older kernel that doesn't set kernel.shmmax to some large value. To check the current setting: sysctl kernel.shmmax To set it higher: sudo -w kernel.shmmax=2147483648 Ron On 11/21/19 01:59, Eamon Heaney wrote: I'm running the sample wifi_tx.grc flowchart from gr-ieee8

Re: UHD: USRP source issue when using 2 channels

2019-11-21 Thread CEL
I'm s close to shouting out "ha-ha! Integer signedness error!", but I think chances are this was fixed on master in 8eb1a354c0b5126b6c0b7d55b68963a155088b3a. On Thu, 2019-11-21 at 01:57 -0800, Ron Economos wrote: > I have the same issue, but the error message is different. > > Traceback (mos

[Discuss-gnuradio] buffer allocation failing with RuntimeError: bad_alloc

2019-11-21 Thread Eamon Heaney
I'm running the sample wifi_tx.grc flowchart from gr-ieee802.11, substituting a null sink for the USRP sink to test it. When I try to run it, it fails with the following error message: " >set_min_output_buffer on block 7 to 207744 >set_min_output_buffer on block 9 to 2077440 >set_min_output_buffer

Re: UHD: USRP source issue when using 2 channels

2019-11-21 Thread Ron Economos
I have the same issue, but the error message is different. Traceback (most recent call last):   File "/home/re/xfer/uhdrx.py", line 213, in     main()   File "/home/re/xfer/uhdrx.py", line 191, in main     tb = top_block_cls()   File "/home/re/xfer/uhdrx.py", line 97, in __init__     self.uhd_us

UHD: USRP source issue when using 2 channels

2019-11-21 Thread jean-michel.fri...@femto-st.fr
Am I the only one facing an issue with fetching data from 2 channels of a B210 receiver ? When addressing a single channels (USRP Source -> file sink) all goes well, but whenever I activate a second channel (Num Mboards=1, Num Channels=2) I get an error message tb = top_block_cls() File "/tmp/GP