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Mon, 23 Jun 2025 10:22:24 -0700 (PDT) Message-ID: Date: Mon, 23 Jun 2025 20:22:22 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Bug report] rtw89: 8852b: IO_PAGE_FAULTs with beacon filter feature enabled To: Bernie Huang , Ping-Ke Shih , Fedor Pchelkin Cc: "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <148ed65c53be4ef29246d372dd0fef8e@realtek.com> <7injzacfmvhrugcovyxkn4elnaxnzg27c26zmcqzrwhottyk7e@ap5ellaozcg4> <419811cccd774d38b5a9c0bbcdf5dfbe@realtek.com> <42783d9a032143bfb67ea969ee0b805d@realtek.com> Content-Language: en-US From: Bitterblue Smith In-Reply-To: <42783d9a032143bfb67ea969ee0b805d@realtek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 14/05/2025 06:29, Bernie Huang wrote: > -----Original Message----- > From: Ping-Ke Shih > Sent: Thursday, May 8, 2025 8:59 AM > To: Fedor Pchelkin > Cc: Bernie Huang ; linux-wireless@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: RE: [Bug report] rtw89: 8852b: IO_PAGE_FAULTs with beacon filter feature enabled > > Fedor Pchelkin wrote: >>> On Thu, 17. Apr 01:05, Ping-Ke Shih wrote: >>>> Fedor Pchelkin wrote: >>>>> >>>>> On Wed, 16. Apr 00:49, Ping-Ke Shih wrote: >>>>>> As bisection, can I summarize as below table? >>>>>> >>>>>> d56c261e52 firmware IO_PAGE_FAULT >>>>>> (CQM support) >>>>>> --------------- ----------- ----------------- >>>>>> o 0.29.29.7 yes >>>>>> o 0.29.29.5 no >>>>>> x 0.29.29.7 no >>>>>> x 0.29.29.5 no >>>>>> >>>>>> If this table is correct, we will check the beacon filter feature in firmware. >>>>>> >>>>> >>>>> Yes, it correctly describes the situation. My suspicion currently >>>>> falls on the beacon filter feature in firmware, too. >>>> >>>> Could you help to test when we have updated firmware? >>>> >>> >>> Hi, >>> >>> Were you able to reproduce or track down the problem? > >> Yes, we have reproduced this problem, and we found sending firmware command during deep PS mode will raise IO_PAGE_FAULT. With below setting to disable deep PS > mode, the symptom can disappear. > >> rtw89_core.ko disable_ps_mode=y > >> Now we are arranging CAT-C equipment to capture signals in PCIE bus to see what happens at that moment. > >> One possible solution (workaround) is to avoid sending firmware commands during deep PS mode, before we found out the root cause. > > Hi Fedor, > > Could you please check whether the attached firmware fixes this issue? > The firmware version should be 1.29.29.9. By the way, what does the first number mean? The previous version was 0.29.29.8. I would expect only the last number to change for this bug fix.