linux-kernel - Re: [PATCH rtw-next v2] wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <d12c14c2-c883-47af-a747-fe26594753c2@RTEXMBS04.realtek.com.tw>
Date: Mon, 28 Apr 2025 15:22:57 +0800
From: Ping-Ke Shih <pkshih@...ltek.com>
To: Mingcong Bai <jeffbai@...c.io>, Ping-Ke Shih <pkshih@...ltek.com>
CC: Kexy Biscuit <kexybiscuit@...c.io>, Mingcong Bai <jeffbai@...c.io>,
        <stable@...r.kernel.org>, Liangliang Zou <rawdiamondmc@...look.com>,
        "Larry
 Finger" <Larry.Finger@...inger.net>,
        "John W. Linville"
	<linville@...driver.com>,
        "open list:REALTEK WIRELESS DRIVER (rtlwifi
 family)" <linux-wireless@...r.kernel.org>,
        open list
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH rtw-next v2] wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723

Mingcong Bai <jeffbai@...c.io> wrote:

> RTL8723BE found on some ASUSTek laptops, such as F441U and X555UQ with
> subsystem ID 11ad:1723 are known to output large amounts of PCIe AER
> errors during and after boot up, causing heavy lags and at times lock-ups:
> 
>   pcieport 0000:00:1c.5: AER: Correctable error message received from 0000:00:1c.5
>   pcieport 0000:00:1c.5: PCIe Bus Error: severity=Correctable, type=Physical Layer, (Receiver ID)
>   pcieport 0000:00:1c.5:   device [8086:9d15] error status/mask=00000001/00002000
>   pcieport 0000:00:1c.5:    [ 0] RxErr
> 
> Disable ASPM on this combo as a quirk.
> 
> This patch is a revision of a previous patch (linked below) which
> attempted to disable ASPM for RTL8723BE on all Intel Skylake and Kaby Lake
> PCIe bridges. I take a more conservative approach as all known reports
> point to ASUSTek laptops of these two generations with this particular
> wireless card.
> 
> Please note, however, before the rtl8723be finishes probing, the AER
> errors remained. After the module finishes probing, all AER errors would
> indeed be eliminated, along with heavy lags, poor network throughput,
> and/or occasional lock-ups.
> 
> Cc: <stable@...r.kernel.org>
> Fixes: a619d1abe20c ("rtlwifi: rtl8723be: Add new driver")
> Reported-by: Liangliang Zou <rawdiamondmc@...look.com>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=218127
> Link: https://lore.kernel.org/lkml/05390e0b-27fd-4190-971e-e70a498c8221@lwfinger.net/T/
> Tested-by: Liangliang Zou <rawdiamondmc@...look.com>
> Signed-off-by: Mingcong Bai <jeffbai@...c.io>

1 patch(es) applied to rtw-next branch of rtw.git, thanks.

77a6407c6ab2 wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723

---
https://github.com/pkshih/rtw.git