On Mon, 2019-12-23 at 14:24 +0200, Thomas Backlund wrote: > Den 18-12-2019 kl. 21:12, skrev Roman Gilg: > > On Fri, Dec 13, 2019 at 9:36 PM Mehmet Akif Tasova > > <makiftasova@xxxxxxxxx> wrote: > > > Since Linux 5.4.1 released, iwlwifi could not initialize Intel(R) Dual Band > > > Wireless AC 9462 firmware, failing with following error in dmesg: > > > > > > iwlwifi 0000:00:14.3: FW error in SYNC CMD SCAN_CFG_CMD > > > > > > whole dmesg output of error can be found at: > > > https://gist.github.com/makiftasova/354e46439338f4ab3fba0b77ad5c19ec > > > > > > also bug report from ArchLinux bug tracker (contains more info): > > > https://bugs.archlinux.org/task/64703 > > > > Since this bug report is about the Dell XPS 13 2-in1: I tested your > > revert with this device, but the issue persists at least on this > > device. So these might be two different issues, one for your device > > and another one for the XPS. > > Yeah, to get iwlwifi to work somewhat nicely you need this revert Indeed the revert is correct. I'm going to apply it in our internal tree and send it out for v5.5-rc* (with stable in CC so it goes to v5.4). Thanks Mehmet! > [...]and also theese on top of 5.4.6: > > From db5cce1afc8d2475d2c1c37c2a8267dd0e151526 Mon Sep 17 00:00:00 2001 > From: Anders Kaseorg <andersk@xxxxxxx> > Date: Mon, 2 Dec 2019 17:09:20 -0500 > Subject: Revert "iwlwifi: assign directly to iwl_trans->cfg in QuZ > detection" > > From 0df36b90c47d93295b7e393da2d961b2f3b6cde4 Mon Sep 17 00:00:00 2001 > From: Luca Coelho <luciano.coelho@xxxxxxxxx> > Date: Thu, 5 Dec 2019 09:03:54 +0200 > Subject: iwlwifi: pcie: move power gating workaround earlier in the flow The fixes for these two are already in v5.5-rc3, [1] and [2] respectively. They are both marked for v5.4, hopefully they'll be included in v5.4.7. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=db5cce1afc8d2475d2c1c37c2a8267dd0e151526 [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0df36b90c47d93295b7e393da2d961b2f3b6cde4 > and atleast v2 of the "iwlwifi: mvm: don't send the > IWL_MVM_RXQ_NSSN_SYNC notif to Rx queues" patch that is being debated on > this list. Kalle is on vacation, but when he gets, back we'll decide what to do with this. If he really doesn't like our v4, I'll send out a new version that satisfies him so we can finally fix this bug. > With theese in place, we seem to have it behaving properly again for > Mageia users reporting various problems / firmware crashes / ... Thanks, Thomas, for the comprehensive list of fixes needed here! -- Cheers, Luca.