From 21f0d16711b8d92c4c14a224ed84cfa5e314f09a Mon Sep 17 00:00:00 2001 From: ChrisU-bckspc Date: Wed, 24 Jun 2020 21:32:12 +0200 Subject: [PATCH] Updated FAQ (markdown) --- FAQ.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/FAQ.md b/FAQ.md index 9f22f5e..b254a38 100644 --- a/FAQ.md +++ b/FAQ.md @@ -39,12 +39,12 @@ If you are using PyBOMBS, note that the HackRF recipe intentionally [does not in A common problem for laptop users could power management enabling USB autosuspend, which is likely if `hackrf_info` returns an error of `hackrf_open() failed: Input/Output Error (-1000)` on the first execution, and works if you run it a second time directly afterwards. This can be confirmed by running `LIBUSB_DEBUG=3 hackrf_info` and checking that the error is a `broken pipe`. -To fix this, you need to disable USB autosuspend for HackRF. If you use the TLP power manageryou can add the HackRF USB VID/PIDs to the `USB_BLACKLIST` line in `/etc/default/tlp`: +To fix this, you need to disable USB autosuspend for HackRF. If you use the TLP power manageryou can add the HackRF USB VID/PIDs to the `USB_BLACKLIST` line in `/etc/default/tlp` (under Archlinux create a file `/etc/tlp.d/10-usb-blacklist.conf`): ``` USB_BLACKLIST="1d50:604b 1d50:6089 1d50:cc15 1fc9:000c" ``` -and restart TLP using `tlp restart` +and restart TLP using `tlp restart` or `systemctl restart tlp` ### hackrf kernel module