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Troubleshooting • Re: Raspberry Pi 5 USB 3.0 read performance is worse than Raspberry Pi 4

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uname reports:
- Pi 4: Linux bladerf-pi 6.6.20+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.20-1+rpt1 (2024-03-07) aarch64 GNU/Linux
- Pi 5: Linux bladerf-pi5 6.6.31+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.6.31-1+rpt1 (2024-05-29) aarch64 GNU/Linux

It appears that at 20 Msps both the Pi 4 and Pi 5 have a discontinuity, always starting at byte 77824, and of varying length. However, the Pi 4 operates without loss after that, whereas the Pi 5, continues to experience loss.

Statistics: Posted by Steve Ochs — Thu Aug 08, 2024 6:10 pm



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