On Saturday, September 4, 2021 at 9:50:56 PM UTC+2 Jurrie Overgoor wrote: > I am trying to use FEL mode with a F1C200s. Other people (owning the same > device) report everything works fine. But for me it is very unstable. > [Snip] > Reading online suggests failing hardware. I tried with three different > cables, and cold rebooted my machine once. > > Of course, the chip could be bad. But is there something else that I might > try before calling it quits? Like, a powered USB hub? (I don't currently > own one.) Or using USB 2 ports? (I suspect my machine only contains USB 3 > ports, but the device is using USB 2 because it is under the "ID 1d6b:0002 > Linux Foundation 2.0 root hub".) >
Apparently, it's my USB host controller. I tried using a different system which has USB 2 and USB 3 ports. Both port types work flawlessly. However, that system is old, so compiling kernels will take a long time. I'll try using a USB 2 hub to see if that makes a difference. With kind regards, Jurrie -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/75138ce7-1391-4997-8c8d-4b794b1f265en%40googlegroups.com.