On Wed, Oct 5, 2022 at 11:35 AM Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > > On Fri, 2022-09-09 at 12:41 +0200, Íñigo Huguet wrote: > > With an AC9560 installed on a system with Quasar (11th gen processor, > > in my case) we're getting a firmware crash as soon as you try to do > > something with the card. The problem doesn't happen with the card > > installed in older platforms (8th / 9th gen), and it neither happens > > with firmware iwlwifi-QuZ-a0-jf-b0-55 version, but yes with any other > > newer version. > > > > I've tried different versions of kernel and firmware, including the > > latest kernel and linux-firmware available today, and all of them fail > > unless I remove all fw files above version 55. > > > > I believe this is a duplicate of > > https://bugzilla.kernel.org/show_bug.cgi?id=214343 > > which was supposed to be fixed in firmware, but evidently that fix was > never backported to older images. > > Internally, FW commit d8887278 fixed this, so FW version 69 should be > OK? I don't think so, we've reproduced it with iwlwifi-QuZ-a0-jf-b0-71.ucode > > I'm not sure we can easily workaround it in the driver? Maybe we can > detect the RF, but that's kind of awkward. > > johannes > -- Íñigo Huguet