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Amin Shah Gilani amin at gilani.meIt seems I've discovered a bug. I was helpfully pointed to another email in the mailing list complaining about zerocopy buffers ( https://www.mail-archive.com/osmocom-sdr@lists.osmocom.org/msg01204.html) Removing the `zerocopy` code fixed the problem for me. For the entire diff and more information, please see this answer: https://stackoverflow.com/a/54661092/3970701 I can confirm that this error exists on my platform and can provide ssh access for testing purposes. ―Amin Shah Gilani <https://amin.gilani.me/> On Wed, Feb 13, 2019 at 3:11 AM Amin Shah Gilani <amin at gilani.me> wrote: > Hi > > I'm experiencing a "bus error" everytime rtl-sdr tries to interact with my > SDR. Here's a sample: > > rtl_fm -f 1000000 > Found 1 device(s): > 0: Realtek, RTL2838UHIDIR, SN: 00000001 > > Using device 0: Generic RTL2832U OEM > Found Rafael Micro R820T tuner > Tuner gain set to automatic. > [R82XX] PLL not locked! > Tuned to 1252000 Hz. > Oversampling input by: 42x. > Oversampling output by: 1x. > Buffer size: 8.13ms > Exact sample rate is: 1008000.009613 Hz > Allocating 15 zero-copy buffers > Bus error > > > I'm running Kali on a Raspberry Pi, and I've used the repository version, > and compiled from source — no change. The only thing that makes this error > go away in `rtl_test` is to pass it the -S flag (forcing synchronous) flow. > > Does anyone have any idea how to fix this? > > If you'd like the Karma and would like to help solve this problem publicly > for future users, Stack Overflow question continuously being updated is > here: > > https://stackoverflow.com/questions/54657089/rtl-sdr-crashes-with-bus-error-when-running-rtl-tcp-or-rtl-test > > ―Amin Shah Gilani <https://amin.gilani.me/> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20190213/66ad28fe/attachment.htm>