Martin Szulecki

Please tell us the iOS version on the iPhone 4 compared to the other devices?

Thanks, confirming this is a bug. I think it would be good to not sent duplicate or obsolete ACKs at all and fix up the I/O to properly ACK packets.

Thanks but please make this a single commit. It's just not appropriate to have all those commits just to fix a typo.

Please try to increase the focus of your description on the actual problem. Please also define "Linux" and udev more precisely by providing libusb stack, kernel, distro and a copy...

Does the device appear in the "lsusb" output?

Please verify with usbmuxd 1.0.9 as it includes fixes for exactly these issues.

Your commandline is? Maybe `usbmuxd -v --user usbmux --udev --foreground` works? Does running like this work? `usbmuxd -v --user usbmux --foreground`

Well, from your description, it kind of looks like what we expect from usbmuxd in udev mode. Please post the udev rule file used by your system.

It works like this. The _"add"_ rule starts a new instance of usbmuxd. If an instance was already running, it signals using SIGUSR2 that the running instance should check for...

Yes, 1dc5437d7c25df26368dcce8db75785eb48ec6aa is a bug. Fixed in git master. Other than that thanks for the details, this brings us closer to the issue. It can be seen now that usbmuxd...