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Linville" , Larry Finger , "linux-wireless@vger.kernel.org" Subject: RE: [RFC PATCH] wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723 Thread-Topic: [RFC PATCH] wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723 Thread-Index: AQHbsQLzvT9MJD0RkUSfQMSmmYlilrOu11zA Date: Tue, 22 Apr 2025 00:27:13 +0000 Message-ID: <4a7284bd703743959e709b9465dabf1d@realtek.com> References: <20250419081251.285987-1-jeffbai@aosc.io> In-Reply-To: <20250419081251.285987-1-jeffbai@aosc.io> Accept-Language: en-US, zh-TW Content-Language: zh-TW x-kse-serverinfo: RTEXMBS02.realtek.com.tw, 9 x-kse-antispam-interceptor-info: fallback x-kse-antivirus-interceptor-info: fallback Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-KSE-AntiSpam-Interceptor-Info: fallback Mingcong Bai 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= : >=20 > pcieport 0000:00:1c.5: AER: Correctable error message received from 000= 0:00:1c.5 > pcieport 0000:00:1c.5: PCIe Bus Error: severity=3DCorrectable, type=3DP= hysical Layer, (Receiver ID) > pcieport 0000:00:1c.5: device [8086:9d15] error status/mask=3D0000000= 1/00002000 > pcieport 0000:00:1c.5: [ 0] RxErr >=20 > Disable ASPM on this combo as a quirk. >=20 > This patch is a revision of a previous patch (linked below) which > attempted to disable ASPM for RTL8723BE on all Intel Skylake and Kaby Lak= e > 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. >=20 > 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. Let me clarify here means. Do you mean all work well after applying this patch? Or still lag, poor throughput or lock-ups? If all symptoms disappear, it would be worth to take this (quirk) patch.=20