From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3CAEF4964F; Tue, 17 Mar 2026 01:28:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773710908; cv=none; b=NtY2JocXRpggufUqAJmvjScSVdYejr6Zx8fY5JNO4b3mHTGcdzSPxevzdSNZftxBbWgPxsSiSrTpwOkaxdLVG8YqGCjOrBMesPjJoYBQwHGa0K4EEwT6WZvLvf1mB6JZamxNk9/kRpTBvjQV2mQhoWWmt8XDzeJ9i4/tydS1Hu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773710908; c=relaxed/simple; bh=u3p/cDG65g3Mc9K3IzByF9exx3XeqEBRdpbPThTXbTA=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=G1K1SU9lK60Zss/QuAUaW90PKLah0lrcIdKHh+a8phdVpg94KMsVHz3UgxCrT6kgnkqxTcJhhX8NHBW2WfR9BOmhnn5dIa9eNeGfksPeql12UtOx6SZ2ctRE0OI3OEZZmSqExflNWfBraK3gChN/WlRCMrrL3VqyGmY+N9eOOUg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b=Is/48AbZ; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b="Is/48AbZ" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 62H1SLrqC2984330, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1773710902; bh=u3p/cDG65g3Mc9K3IzByF9exx3XeqEBRdpbPThTXbTA=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:Content-Transfer-Encoding:MIME-Version; b=Is/48AbZxxHNjL7X+/yCEg9sUYlKDglWjmpdKzfjMCTpy2vCifvS5BHDJCbZstKYk WsbpG6NDPqAefnUrbG7FvCm4P4/Xtl1E6Eb+SYB7CnSp0RCtS/2Qaa/z99accyx4Lp cOK7Mm8V7wnCxsi2JLAAIBmIHHraoBx9/1xW4L82RfiXYBcAIz5hJ40Z80VRHAktWv P2g2mxqKZWs/kTWoov7YDPyd97IUpArQ82SPYjxTRxvSqtLsT/RCi3qoMoSxjthtHg naD2sI2NqZ8LJQp/wp2y+IM29KQrj+gOBgrE0WAk0nwMnsDlp76jeAqmz6AKEwMnhz gEgCfe7c34t0g== Received: from mail.realtek.com (rtkexhmbs04.realtek.com.tw[10.21.1.54]) by rtits2.realtek.com.tw (8.15.2/3.21/5.94) with ESMTPS id 62H1SLrqC2984330 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Mar 2026 09:28:22 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS04.realtek.com.tw (10.21.1.54) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Tue, 17 Mar 2026 09:28:20 +0800 Received: from RTKEXHMBS06.realtek.com.tw ([fe80::4cbd:6c6c:b92b:3913]) by RTKEXHMBS06.realtek.com.tw ([fe80::4cbd:6c6c:b92b:3913%10]) with mapi id 15.02.1748.010; Tue, 17 Mar 2026 09:28:20 +0800 From: Ping-Ke Shih To: LB F CC: "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [BUG] wifi: rtw88: Hard system freeze on RTL8821CE when power_save is enabled (LPS/ASPM conflict) Thread-Topic: [BUG] wifi: rtw88: Hard system freeze on RTL8821CE when power_save is enabled (LPS/ASPM conflict) Thread-Index: AQHcsA6WTRRnBRFJhEKVxaR7JwwWq7Wm+M9wgAAbfgCAAX9nAIAAB6mAgAAK64CAAElZAIABMBnAgADMOgCAACdjAIAAB1+AgAJAYICAAB3nAIAAxOYAgAJBRiCAAKEnAIAA2QBQ Date: Tue, 17 Mar 2026 01:28:20 +0000 Message-ID: References: <1e96af437fa24674b353ddb530b2d8e7@realtek.com> <792645eed36041f0b3df951f1b28a08a@realtek.com> <458ed80e39734ea99610050140bb31ce@realtek.com> <1bd495ffe57c47eb827eec084729afa2@realtek.com> In-Reply-To: Accept-Language: en-US, zh-TW Content-Language: zh-TW Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 TEIgRiA8Z29haW53b0BnbWFpbC5jb20+IHdyb3RlOg0KPiANCj4gUGluZy1LZSBTaGloIDxwa3No aWhAcmVhbHRlay5jb20+IHdyb3RlOg0KPiA+IE5vdCBzdXJlIGlmIHRoaXMgaXMgYmVjYXVzZSBQ Q0lFIGJyaWRnZSBoYXMgbm8gQVNQTSBjYXBhYmlsaXR5Pw0KPiANCj4gVGhhdCBjb3VsZCBpbmRl ZWQgYmUgdGhlIGNhc2UgLS0gSSBkbyBub3QgaGF2ZSBhIHdheSB0byBjb25maXJtDQo+IHdpdGhv dXQgZnVydGhlciBoYXJkd2FyZS1sZXZlbCBpbnNwZWN0aW9uLg0KPiANCj4gPiBMTjU0OTEgKGtl cm5lbCB2Ni4xOS42KSBpczoNCj4gPiAgICAgICAgICAgICAgICAgY2FzZSBSWF9FTkNfVkhUOg0K PiA+ICAgICAgICAgICAgICAgICAgICAgICAgIGlmIChXQVJOX09OQ0Uoc3RhdHVzLT5yYXRlX2lk eCA+IDExIHx8DQo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAhc3Rh dHVzLT5uc3MgfHwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHN0 YXR1cy0+bnNzID4gOCwNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICJSYXRlIG1hcmtlZCBhcyBhIFZIVCByYXRlIGJ1dCBkYXRhIGlzDQo+IGludmFsaWQ6IE1DUzog JWQsIE5TUzogJWRcbiIsDQo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICBzdGF0dXMtPnJhdGVfaWR4LCBzdGF0dXMtPm5zcykpDQo+ID4gICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICBnb3RvIGRyb3A7DQo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgYnJl YWs7DQo+ID4gTG9va3MgbGlrZSBkcml2ZXIgcmVwb3J0cyBpbXByb3BlciBWSFQgbnNzL3JhdGU/ IEJ1dCB0aGlzIHdhcm5zIG9uY2UsIGFuZA0KPiA+IHlvdSBtZXNzYWdlIGlzbid0IGxpa2UgdGhp cy4NCj4gPiBDb3VsZCB5b3UgY2hlY2sgdGhlIHNvdXJjZSBjb2RlIExONTQ5MSB5b3UgYXJlIHVz aW5nPw0KPiANCj4gVGhlIGZpbGUgbmV0L21hYzgwMjExL3J4LmMgaXMgbm90IGF2YWlsYWJsZSBv biBkaXNrIG9uIG15IHN5c3RlbQ0KPiAoQ2FjaHlPUyBzaGlwcyBvbmx5IC5oIGZpbGVzIGluIHRo ZSBoZWFkZXJzIHBhY2thZ2UpLCBidXQgSSBsb2NhdGVkDQo+IHRoZSBleGFjdCB3YXJuaW5nIG1l c3NhZ2UgaW4gam91cm5hbGN0bDoNCj4gDQo+ICAgUmF0ZSBtYXJrZWQgYXMgYSBWSFQgcmF0ZSBi dXQgZGF0YSBpcyBpbnZhbGlkOiBNQ1M6IDAsIE5TUzogMA0KPiANCj4gVGhpcyBjb25maXJtcyB0 aGF0IGxpbmUgNTQ5MSBpbiBteSBrZXJuZWwgbWF0Y2hlcyBleGFjdGx5IHdoYXQgeW91DQo+IHNo b3dlZCBmcm9tIHY2LjE5LjYgLS0gdGhlIFJYX0VOQ19WSFQgY2FzZSBjaGVja2luZyBmb3INCj4g c3RhdHVzLT5uc3MgPT0gMC4gVGhlIG9mZnNldCBpbiBteSB0cmFjZSBpcyBzbGlnaHRseSBkaWZm ZXJlbnQNCj4gKCsweDE4MyB2cyArMHgxNzcpLCB3aGljaCBpcyBsaWtlbHkgZHVlIHRvIENhY2h5 T1MncyBMVE8vQXV0b0ZETw0KPiBjb21waWxlciBvcHRpbWl6YXRpb25zLg0KPiANCj4gVGhlIHdh cm5pbmcgYXBwZWFyZWQgb25jZSBpbiBteSBpbml0aWFsIHRlc3Qgc2Vzc2lvbjoNCj4gDQo+ICAg UmF0ZSBtYXJrZWQgYXMgYSBWSFQgcmF0ZSBidXQgZGF0YSBpcyBpbnZhbGlkOiBNQ1M6IDAsIE5T UzogMA0KPiAgIFdBUk5JTkc6IG5ldC9tYWM4MDIxMS9yeC5jOjU0OTEgYXQgaWVlZTgwMjExX3J4 X2xpc3QrMHgxODMvMHgxMDIwIFttYWM4MDIxMV0NCj4gDQo+IEhvd2V2ZXIsIGluIHN1YnNlcXVl bnQgbW9kdWxlIHJlbG9hZCBhbmQgcmVjb25uZWN0IGN5Y2xlcyBJIHdhcyB1bmFibGUNCj4gdG8g cmVwcm9kdWNlIGl0LiBUaGlzIGlzIGNvbnNpc3RlbnQgd2l0aCBXQVJOX09OQ0UgYmVoYXZpb3Ig LS0gaXQNCj4gbGlrZWx5IGZpcmVkIG9uIHRoZSBmaXJzdCBpbnZhbGlkIG5zcz0wIHBhY2tldCBh ZnRlciB0aGUgaW5pdGlhbA0KPiBkcml2ZXIgbG9hZCBhbmQgaGFzIG5vdCB0cmlnZ2VyZWQgc2lu Y2UuIEkgY2Fubm90IGNvbmZpcm0gaXQgYXMgYQ0KPiByZWxpYWJsZSBzeW1wdG9tLg0KDQpUbyBy ZXByb2R1Y2UgdGhpcyByZWxpYWJsZSwgeW91IG5lZWQgdG8gcmVtb3ZlIGRyaXZlciBrbyBhbmQg bWFjODAyMTEua28sDQphbmQgcmVpbnN0YWxsIHRoZW0uDQoNCkhvd2V2ZXIsIHlvdSBoYXZlIGNv bmZpcm1lZCB0aGlzIGlzIHRoZSBzeW1wdG9tLiBJIHRoaW5rIG9ubHkgaWYgeW91DQp3YW50IHRv IGRpZyB3aHkgdGhlIHJhdGUgcmVwb3J0ZWQgYnkgaGFyZHdhcmUgaXMgd2VpcmQsIG90aGVyd2lz ZSB3ZQ0KY2FuIGlnbm9yZSB0aGlzIHdhcm5pbmcuDQoNCj4gDQo+IC0tLQ0KPiANCj4gUmVnYXJk aW5nIHBhdGNoIHN0YWJpbGl0eTogdGhlIHJlc3VsdHMgYmVsb3cgYXJlIGZyb20gdGVzdGluZyB5 b3VyDQo+IG9yaWdpbmFsIFJGVCBwYXRjaCBbMV0sIG5vdCBhbnkgbmV3ZXIgc3VibWlzc2lvbi4g SSB3YW50IHRvIGJlDQo+IGV4cGxpY2l0IHRvIGF2b2lkIGNvbmZ1c2lvbjoNCj4gDQo+ICAgWzFd DQo+IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2xpbnV4LXdpcmVsZXNzLzIwMjYwMzExMDIwODE2 LjcwNjUtMS1wa3NoaWhAcmVhbHRlay4NCj4gY29tLw0KPiANCj4gVGhpcyBpcyB0aGUgZXhhY3Qg ZGlmZiBJIGNvbXBpbGVkIGFuZCB0ZXN0ZWQ6DQo+IA0KPiAtLS0gYS9kcml2ZXJzL25ldC93aXJl bGVzcy9yZWFsdGVrL3J0dzg4L3BjaS5jDQo+ICsrKyBiL2RyaXZlcnMvbmV0L3dpcmVsZXNzL3Jl YWx0ZWsvcnR3ODgvcGNpLmMNCj4gQEAgLTIsNiArMiw3IEBADQo+ICAvKiBDb3B5cmlnaHQoYykg MjAxOC0yMDE5ICBSZWFsdGVrIENvcnBvcmF0aW9uDQo+ICAgKi8NCj4gDQo+ICsjaW5jbHVkZSA8 bGludXgvZG1pLmg+DQo+ICAjaW5jbHVkZSA8bGludXgvbW9kdWxlLmg+DQo+ICAjaW5jbHVkZSA8 bGludXgvcGNpLmg+DQo+ICAjaW5jbHVkZSAibWFpbi5oIg0KPiBAQCAtMTc0NCw2ICsxNzQ1LDM0 IEBAIGNvbnN0IHN0cnVjdCBwY2lfZXJyb3JfaGFuZGxlcnMgcnR3X3BjaV9lcnJfaGFuZGxlciA9 IHsNCj4gIH07DQo+ICBFWFBPUlRfU1lNQk9MKHJ0d19wY2lfZXJyX2hhbmRsZXIpOw0KPiANCj4g K2VudW0gcnR3ODhfcXVpcmtfZGlzX3BjaV9jYXBzIHsNCj4gKyBRVUlSS19ESVNfUENJX0NBUF9B U1BNLA0KPiArfTsNCj4gKw0KPiArc3RhdGljIGludCBkaXNhYmxlX3BjaV9jYXBzKGNvbnN0IHN0 cnVjdCBkbWlfc3lzdGVtX2lkICpkbWkpDQo+ICt7DQo+ICsgdWludHB0cl90IGRpc19jYXBzID0g KHVpbnRwdHJfdClkbWktPmRyaXZlcl9kYXRhOw0KPiArDQo+ICsgaWYgKGRpc19jYXBzICYgQklU KFFVSVJLX0RJU19QQ0lfQ0FQX0FTUE0pKQ0KPiArIHJ0d19wY2lfZGlzYWJsZV9hc3BtID0gdHJ1 ZTsNCj4gKw0KPiArIHJldHVybiAxOw0KPiArfQ0KPiArDQo+ICtzdGF0aWMgY29uc3Qgc3RydWN0 IGRtaV9zeXN0ZW1faWQgcnR3ODhfcGNpX3F1aXJrc1tdID0gew0KPiArIHsNCj4gKyAuY2FsbGJh Y2sgPSBkaXNhYmxlX3BjaV9jYXBzLA0KPiArIC5pZGVudCA9ICJIUCBOb3RlYm9vayAtIFAzUzk1 RUEjQUNCIiwNCj4gKyAubWF0Y2hlcyA9IHsNCj4gKyBETUlfTUFUQ0goRE1JX1NZU19WRU5ET1Is ICJIUCIpLA0KPiArIERNSV9NQVRDSChETUlfUFJPRFVDVF9OQU1FLCAiSFAgTm90ZWJvb2siKSwN Cj4gKyBETUlfTUFUQ0goRE1JX1BST0RVQ1RfU0tVLCAiUDNTOTVFQSNBQ0IiKSwNCj4gKyB9LA0K PiArIC5kcml2ZXJfZGF0YSA9ICh2b2lkICopQklUKFFVSVJLX0RJU19QQ0lfQ0FQX0FTUE0pLA0K PiArIH0sDQo+ICsge30NCj4gK307DQo+ICsNCj4gIGludCBydHdfcGNpX3Byb2JlKHN0cnVjdCBw Y2lfZGV2ICpwZGV2LA0KPiAgICAgY29uc3Qgc3RydWN0IHBjaV9kZXZpY2VfaWQgKmlkKQ0KPiAg ew0KPiBAQCAtMTgwOCw2ICsxODM3LDcgQEAgaW50IHJ0d19wY2lfcHJvYmUoc3RydWN0IHBjaV9k ZXYgKnBkZXYsDQo+ICAgICAgIGJyaWRnZSAmJiBicmlkZ2UtPnZlbmRvciA9PSBQQ0lfVkVORE9S X0lEX0lOVEVMKQ0KPiAgIHJ0d3BjaS0+cnhfbm9fYXNwbSA9IHRydWU7DQo+IA0KPiArIGRtaV9j aGVja19zeXN0ZW0ocnR3ODhfcGNpX3F1aXJrcyk7DQo+ICAgcnR3X3BjaV9waHlfY2ZnKHJ0d2Rl dik7DQo+IA0KPiAgIHJldCA9IHJ0d19yZWdpc3Rlcl9odyhydHdkZXYsIGh3KTsNCj4gDQo+IFJl c3VsdHMgd2l0aCBvbmx5IHRoaXMgcGF0Y2ggYXBwbGllZDoNCj4gDQo+ICAgLSBUaGUgaGFyZCBm cmVlemUgbG9ja3VwIGlzIGdvbmUuDQo+ICAgLSBIb3dldmVyLCBkdXJpbmcgaWRsZSB0aGUgbG9n cyBhcmUgZmxvb2RlZCB3aXRoOg0KPiANCj4gICAgICAgcnR3ODhfODgyMWNlIDAwMDA6MTM6MDAu MDogZmFpbGVkIHRvIHNlbmQgaDJjIGNvbW1hbmQNCj4gICAgICAgcnR3ODhfODgyMWNlIDAwMDA6 MTM6MDAuMDogZmlybXdhcmUgZmFpbGVkIHRvIGxlYXZlIGxwcyBzdGF0ZQ0KPiANCj4gICAtIFRv IGdpdmUgYSBjb25jcmV0ZSBzZW5zZSBvZiB0aGUgdm9sdW1lOiBvdmVyIGFuIH44MC1taW51dGUN Cj4gICAgIG9ic2VydmF0aW9uIHdpbmRvdyBhZnRlciBhIGNsZWFuIG1vZHVsZSByZWxvYWQsIEkg cmVjb3JkZWQNCj4gICAgIDExLDc1NyAiZmFpbGVkIHRvIHNlbmQgaDJjIGNvbW1hbmQiIGV2ZW50 cyBhbmQgMiAiZmlybXdhcmUNCj4gICAgIGZhaWxlZCB0byBsZWF2ZSBscHMgc3RhdGUiIGV2ZW50 cyAtLSBhcHByb3hpbWF0ZWx5IDExMCBlcnJvcnMNCj4gICAgIHBlciBtaW51dGUgZHVyaW5nIGFj dGl2ZSBwZXJpb2RzLg0KPiAgIC0gVGhlc2UgZXJyb3JzIGNhdXNlIEJsdWV0b290aCBhdWRpbyBz dHV0dGVyaW5nIGFuZCBXaUZpDQo+ICAgICB0aHJvdWdocHV0IGRyb3BzLg0KPiANCj4gV2hlbiBJ IGFkZGl0aW9uYWxseSBzZXQgZGlzYWJsZV9scHNfZGVlcD1ZIGFsb25nc2lkZSB5b3VyIEFTUE0g cGF0Y2gsDQo+IGFsbCBoMmMgZXJyb3JzIHZhbmlzaCBjb21wbGV0ZWx5IGFuZCBCbHVldG9vdGgv V2lGaSByZW1haW4gZnVsbHkNCj4gc3RhYmxlLiBUaGlzIGNvbmZpcm1zIHRoYXQgZGlzYWJsaW5n IExQUyBEZWVwIGlzIG5lY2Vzc2FyeSBmb3INCj4gY29tcGxldGUgc3RhYmlsaXR5IG9uIHRoaXMg c3BlY2lmaWMgSFAgU0tVLg0KPiANCj4gSSBhbHNvIG5vdGljZWQgd2hhdCBhcHBlYXJzIHRvIGJl IGEgbmV3IHBhdGNoIGluIGEgc2VwYXJhdGUgbWFpbGluZw0KPiBsaXN0IHRocmVhZC4gSSB3aWxs IHRlc3QgaXQgc2hvcnRseSBhbmQgcmVwb3J0IGJhY2sgd2l0aCB0aGUgcmVzdWx0cy4NCg0KVGhh bmtzIGZvciB5b3VyIGV4cGVyaW1lbnRzIGluIGRldGFpbC4gOikNCg0KUGluZy1LZQ0KDQo=