On Mon, 20 Jun 2016, Luiz Otavio O Souza wrote: > On Sun, Jun 19, 2016 at 1:11 AM, Maxim Sobolev wrote: >> Jim, some update from here. Running r283287 of the driver, I still see the >> same "watchdog timeout" messages, but they do not lead to the interface >> lockout. The traffic resumes momentarily. Which is probably why I never paid >> much attention to those warnings before. Therefore, I suspect that the new >> MAC code does not deal with watchdog-triggered interface reset as good as >> the old code. Does it give you any ideas about what could be wrong there by >> any chance? > > > Hi Maxim, > > My recent changes contributed somehow to expose the bug more frequently. > > There was a condition in tx packet reclamation where we aren't > restarting the tx queue in one of the possible stall conditions. > > Please try the attached patch and let me know if it works for you. > > Luiz Your patch fixes the problem for me. Thanks! FreeBSD beaglebone 11.0-ALPHA4 FreeBSD 11.0-ALPHA4 #0 r302028M: Mon Jun 20 18:19:55 EDT 2016 kwhite_at_freebsd11:/usr/obj/arm.armv6/usr/src/sys/BEAGLEBONE-LOCAL arm armv6 ...keithReceived on Mon Jun 20 2016 - 20:33:32 UTC
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