netdev - Re: Linux-6.5 iwlwifi crash

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Date: Fri, 7 Jul 2023 09:56:34 +0800
From: Jeff Chua <jeff.chua.linux@...il.com>
To: Larry Finger <Larry.Finger@...inger.net>
Cc: Linux regressions mailing list <regressions@...ts.linux.dev>, lkml <linux-kernel@...r.kernel.org>, 
	Gregory Greenman <gregory.greenman@...el.com>, Kalle Valo <kvalo@...nel.org>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Linux Wireless <linux-wireless@...r.kernel.org>, Linux Networking <netdev@...r.kernel.org>, 
	Bagas Sanjaya <bagasdotme@...il.com>
Subject: Re: Linux-6.5 iwlwifi crash

On Thu, Jul 6, 2023 at 2:11 AM Larry Finger <Larry.Finger@...inger.net> wrote:

> Fow what it is worth, my 6.4-git (6.5-rc0?) commit d528014517f2 (pulled today)
> is working OK with iwlmvm. Lspci says my device is
>
> 04:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1]
> (rev 73)
>
> I think you do need to do a bisection.
> Larry


Larry,

I did a bisect and here's what it came up with ... reverted the
following and iwlwiifi worked again.


19898ce9cf8a33e0ac35cb4c7f68de297cc93cb2 is the first bad commit
commit 19898ce9cf8a33e0ac35cb4c7f68de297cc93cb2
Author: Johannes Berg <johannes.berg@...el.com>
Date:   Wed Jun 21 13:12:07 2023 +0300

    wifi: iwlwifi: split 22000.c into multiple files

    Split the configuration list in 22000.c into four new files,
    per new device family, so we don't have this huge unusable
    file. Yes, this duplicates a few small things, but that's
    still much better than what we have now.

    Signed-off-by: Johannes Berg <johannes.berg@...el.com>
    Signed-off-by: Gregory Greenman <gregory.greenman@...el.com>
    Link: https://lore.kernel.org/r/20230621130443.7543603b2ee7.Ia8dd54216d341ef1ddc0531f2c9aa30d30536a5d@changeid
    Signed-off-by: Johannes Berg <johannes.berg@...el.com>

 drivers/net/wireless/intel/iwlwifi/Makefile     |   1 +
 drivers/net/wireless/intel/iwlwifi/cfg/22000.c  | 939 +-----------------------
 drivers/net/wireless/intel/iwlwifi/cfg/ax210.c  | 452 ++++++++++++
 drivers/net/wireless/intel/iwlwifi/cfg/bz.c     | 523 +++++++++++++
 drivers/net/wireless/intel/iwlwifi/cfg/sc.c     | 214 ++++++
 drivers/net/wireless/intel/iwlwifi/iwl-config.h |   2 +
 drivers/net/wireless/intel/iwlwifi/pcie/drv.c   |   3 +
 7 files changed, 1206 insertions(+), 928 deletions(-)
 create mode 100644 drivers/net/wireless/intel/iwlwifi/cfg/ax210.c
 create mode 100644 drivers/net/wireless/intel/iwlwifi/cfg/bz.c
 create mode 100644 drivers/net/wireless/intel/iwlwifi/cfg/sc.c


My best.,
Jeff

>
>