A: http://en.wikipedia.org/wiki/Top_post Q: Were do I find info about this thing called top-posting? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? A: No. Q: Should I include quotations after my reply? http://daringfireball.net/2007/07/on_top On Wed, Jun 30, 2021 at 10:55:04AM +0200, Benjamin Marty wrote: > On the iMX8 device `Linux imx8mm-var-dart 5.4.3-g050b21f4b394 #1 SMP > PREEMPT Fri Oct 9 11:36:53 PDT 2020 aarch64 GNU/Linux` and on the > Raspberry Pi device `Linux raspberry 5.10.17-v7l+ #1403 SMP Mon Feb 22 > 11:33:35 GMT 2021 armv7l GNU/Linux`. I do not understand, which is the host and which is the gadget here? > File write to `/dev/hidg0` starts to hang when there was high mass > storage traffic. It also doesn't recover itself. There is no `complete > kernel lockup`. File write on the host or gadget? If things are not locked up, what is stalled? > I haven't used usbmon yet but if I don't have high traffic scenarios > on the mass storage then the mass storage and HID device works as > expected. So I'm confident that I send the correct data. That's fine, but it is good to use usbmon to see what the errors are as well when things go wrong. > Also saw that I'm getting this error in dmesg on both devices: > [ 1895.677053] configfs-gadget gadget: End Point Request ERROR: -108 Ah, is your userspace code on the gadget not handling this properly? What userspace code is running on the gadget for your USB device emulation? thanks, greg k-h
