<div dir="ltr">I built LEDE (kernel 4.4.42) with MM, and it is working in MBIM mode. wwan interface is assigned an address as before, but, this time the internet is reachable.</div><div class="gmail_extra"> <div class="gmail_quote">On Wed, Jan 25, 2017 at 3:17 PM, Bjørn Mork <<a href="mailto:bjorn@mork.no" target="_blank">bjorn@mork.no</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Aleksander Morgado <<a href="mailto:aleksander@aleksander.es">aleksander@aleksander.es</a>> writes: > On Wed, Jan 25, 2017 at 6:49 PM, Mark Wahlert <<a href="mailto:mark.wahlert@gmail.com">mark.wahlert@gmail.com</a>> wrote: >> Did you have an opportunity to check which kernel version you've had MBIM >> working with successfully? > > I tested with 4.4.14. Maybe I was just lucky enough to be testing with > a slow system and I didn't hit the bug fixed by Bjørn's patch? Note that I never noticed this issue on my previous laptop (a 2008 model Thinkpad X301), and it wasn't *that* slow :) But I could just have been lucky because I had every possible debug message enabled, and the "fix" is simply a very short additional delay during probing. You don't need to add much extra code there to achieve the same effect. The reason I brought it up, is that I saw another report of similar failure on a Linksys WRT1900ACS recently. So I'm open for the thought that newer wifi routers are powerful enough to make it a problem. I didn't initially believe so. Anyway, I'm really curious to know if the patch solves the problem. Because I'm still not certain that this is the case. Bjørn </blockquote></div> </div>