On Tue, 2019-12-10 at 12:05 +0100, Jason A. Donenfeld wrote: > Hi, > > I have a Thinkpad P1 gen 2 (same as X1 extreme gen 2), which has an > AX200 -- 52:00.0 0280: 8086:2723 (rev 1a). Things mostly work, but > I've noticed that after a reboot, the card stops working. > Specifically, wpa_supplicant can't talk to it anymore. Or, sometimes > it appears to drop off the bus completely. After doing a full > poweroff+poweron (not a reboot), it works again. How frequent is this for you? We had a bug report like this on some other platform where it happens like ... 2-3% of the time? [snip] > I assume this is something to do with the bios not powercycling the > pcie bus during reboot, leaving the card in some kind of inconsistent > state. Perhaps it's possible to add a quirk to always powercycle it > before initializing and loading firmware? Good question, yeah. Can you stick this info into a bug at bugzilla.kernel.org and add linuxwifi@xxxxxxxxx to it? Or even add me personally since I've dealt with the other report before. I can't check the progress of the other report right now, but then I can track it. johannes
