Luca Coelho <luca@xxxxxxxxx> writes: > On Wed, 2019-07-03 at 11:10 +0300, Luca Coelho wrote: >> From: Johannes Berg <johannes.berg@xxxxxxxxx> >> >> On older NICs, we occasionally see issues with A-MSDU support, >> where the commands in the FIFO get confused and then we see an >> assert EDC because the next command in the FIFO isn't TX. >> >> We've tried to isolate this issue and understand where it comes >> from, but haven't found any errors in building the A-MSDU in >> software. >> >> At least for now, disable A-MSDU support on older hardware so >> that users can use it again without fearing the assert. >> >> This fixes https://bugzilla.kernel.org/show_bug.cgi?id=203315. >> >> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> >> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> >> --- > > Hi Dave, > > This is an important fix for a bug that has been reported by several > users in bugzilla (and elsewhere). It fixes FW crashes that disrupt > throughput and connectivity in general in very popular devices (Intel's > WiFi 7000 and 8000 series). > > I know it's a bit late for v5.2, but if possible, it would be great to > take this. Kalle is on vacation, so we agreed that I would send it > directly to you. Acked-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> -- Kalle Valo
