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Sat, 14 Mar 2026 03:53:07 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <1e96af437fa24674b353ddb530b2d8e7@realtek.com> <792645eed36041f0b3df951f1b28a08a@realtek.com> <458ed80e39734ea99610050140bb31ce@realtek.com> In-Reply-To: From: LB F Date: Sat, 14 Mar 2026 12:52:31 +0200 X-Gm-Features: AaiRm50RtPZD3MBW8TqBSl8WjTh_vaMj1G0ubfohnNWl25Q3y8nJ42rKx7QW5VQ Message-ID: Subject: Re: [BUG] wifi: rtw88: Hard system freeze on RTL8821CE when power_save is enabled (LPS/ASPM conflict) To: Ping-Ke Shih Cc: "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" After extended testing with your DMI patch applied, the hard freeze is gone. However, with ASPM disabled but LPS Deep still active, I observe periodic h2c timeouts during idle which cause occasional WiFi throughput drops and Bluetooth audio stuttering. When I additionally set disable_lps_deep=Y, all symptoms disappear completely. This confirms that combining the ASPM quirk with dynamic LPS_DEEP_MODE_NONE would be the complete fix. Ready to test an updated patch if you decide to include this.