Hi! I would advise rebuild sunxi-tools. I had problems with "usb_bulk_send() ERROR -7: Operation timed out" while trying to use sunxi-tools from binary. Rebuilding (mostly relinking with actual libusb, I suppose) solved the problem in my case.
On Friday, 25 March 2022 at 10:11:01 UTC+3 haina...@gmail.com wrote: > Hi All, > I'm working on H616 based board and trying to execute/upload uboot using > sunxi-fel but not success after many tries. > I tried with windows 10 and ubuntu 20 (native, no virtualization), the > device was detected but it always stuck at "usb_bulk_send() ERROR -7: > Operation timed out". > I found that this error will appear when I try to upload a large file > (larger than 32kb I think) or execute a successfully uploaded file in > memory: > > sunxi-fel -v uboot u-boot-sunxi-with-spl.bin > Stack pointers: sp_irq=0x00021400, sp=0x00053FFC > MMU is not enabled by BROM > => Executing the SPL... done. > usb_bulk_send() ERROR -7: Operation timed out > > Even I tried to turn the device from FEL mode to FES mode following this > article (using boot 2.0 method): https://linux-sunxi.org/FES > > sunxi-fel version > AWUSBFEX soc=00001823(H616) 00000001 ver=0001 44 08 scratchpad=00027e00 > 00000000 00000000 > (my device was detected at this line) > > sunxi-fel -p write 0x2000 fes1.fex > 100% [================================================] 31 kB, 167.4 kB/s > (successfully uploaded fes1.fex, this file only 31kb) - At this step, > fes1.fex is uploaded but it gave a timeout error when i tried to execute > the code at that address. > I think the devices was hang after execute: > sunxi-fel -v execute 0x2000 > (nothing is displayed after this command line) > sunxi-fel version > usb_bulk_send() ERROR -7: Operation timed out > (timed out error) I noticed that LiveSuit or PhoenixSuit can still switch > the device to FES mode to flash the firmware, > It could be the same method on the article above because I saw the > extracted img rom contains fes1.fex and u-boot.fex but somehow it's not > working for me or I have missed some steps compared to PhoenixSuit. > Anyone can give me some advice/suggest? I'm quite new to this process and > want to learn about it. My board is Tanix TX6s (Android TV board). Best > regards, NamNH > > -- 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/d9306f48-f7d7-4582-9dd1-f3abff26b89dn%40googlegroups.com.