On Thu, May 24, 2018 at 05:04:49PM +0200, Daniele Palmas wrote: > Hello, > > I have an issue with an USB mbim modem when trying to send with ping > more than 14552 bytes: it looks like to me a kernel issue, but not at > the cdc_mbim or cdc_ncm level, anyway not sure, so I'm reporting the > issue. > > My kernel is 4.16. The device is the following: Does older kernels work, or is this something that has always been there? I ask, as my mobile provider does horrible things to large packet sizes. So much so that I have to set the mtu to 1280 just to get things to work properly when tethering my phone through to my laptop. So this might be a network provider issue :) thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html