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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f0c34f7d0sm1946707b3a.14.2026.04.10.00.38.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Apr 2026 00:38:27 -0700 (PDT) Message-ID: Date: Fri, 10 Apr 2026 15:38:24 +0800 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ath10k: skip quiet mode for WCN3990 to prevent firmware crash To: Malte Schababerle Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org References: <323b5222-a105-4701-8342-9131660fe803@oss.qualcomm.com> <20260406221405.201848-1-m.schababerle@gmail.com> From: Baochen Qiang Content-Language: en-US In-Reply-To: <20260406221405.201848-1-m.schababerle@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: wlEhxvFXhSKy4P6EAvD7I4awBITHG2BO X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDEwMDA2OSBTYWx0ZWRfX3IuS3RuRN8j4 Um9JTTTBgtHQy85Bj2lOoPJGbQpGP5rOud1J+YDB59I847nMct+pOs75dCM1M8CDXKgR57vfeil A7czhef+oo509mDxT5H49vKGNFumZsXYZSxkGvwp35IBG4pab9hafCxvmkp4xJDZmSjhzeFgmEX RsYSiyqyGxlGAyhdj8arkyMn1r9mTC80A6vhBfvMCrcItuFxTuuY7utewFFKpPn9slKxBJIvY2Z sqZk30w58yNRFqgIbWX1VwTfjoZ8/Tlns24caBo3dvlWiaqECgwUbCuEorqdX+rq2zA7H/0CjCb +0nRS2L0j3zqQ9t2t7sh/UdrwaEta0WVgv0jQsazbbuy043zCqaFXOz+zHfYkoNuP8zAzXSheQ6 32cntAJ8EtO0j3kZX8dSpukSa2ZHLW3SwdqpWFpzvN+K1SHSt0U/ggIjxPLzWbGqgsaSRYLX1y1 lqkxve5cloQyh+qVnMw== X-Proofpoint-ORIG-GUID: wlEhxvFXhSKy4P6EAvD7I4awBITHG2BO X-Authority-Analysis: v=2.4 cv=DslmPm/+ c=1 sm=1 tr=0 ts=69d8a8f5 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=rxAmHljU2xxGwqvv-XQA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-10_02,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 malwarescore=0 clxscore=1015 impostorscore=0 bulkscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604100069 On 4/7/2026 6:14 AM, Malte Schababerle wrote: > On 3/22/2026, Baochen Qiang wrote: >> Malte, the firmware team needs firmware dump to understand this issue, >> would you be able to help collect it? > > Sure. Attaching the full dmesg from a reproducible test run (kernel > without the patch, upstream 6.17, postmarketOS on OnePlus 7T / SM8150). > > Firmware: WLAN.HL.3.2.0.c2-00006 > > The crash triggers deterministically on every boot. Key lines: > > [25.122098] PDM: service 'wlan_process' crash: > 'EX:wlan_process:0x1:WLAN RT:0x2076:PC=0xb0008e20' > [25.283364] ath10k_snoc 18800000.wifi: firmware crashed! > > Full crash sequence repeats across subsequent recovery attempts at the > same PC=0xb0008e20 (see attached dmesg.txt). > > Note: I'm running an upstream kernel (6.17) on postmarketOS. > CONFIG_QCOM_RAMDUMP and WCSS coredump tooling are not available here. > If the firmware team needs a full Hexagon register dump, please advise > how to collect it in this environment. please follow below steps to collect firmware dump: 1. sudo modprobe -r ath10k_pci 2. sudo modprobe ath10k_core coredump_mask=7 3. sudo modprobe ath10k_pci 4. reproduce the crash issue 5. collect dump using a similar way to Intel chip [1]: You can now get the data from the devcoredump device and dump to a file: cat /sys/devices/virtual/devcoredump/devcdY/data > iwl.dump echo 1 > /sys/devices/virtual/devcoredump/devcdY/data (Y is incremented each time) The easiest is to define a udev rule to dump the data automatically as soon as dump is created: SUBSYSTEM=="devcoredump", ACTION=="add", RUN+="/sbin/iwlfwdump.sh" You’ll typically have to paste this into a new file called /etc/udev/rules.d/85- iwl-dump.rules. This location can vary between distributions. /sbin/iwlfwdump.sh can simply be: #!/bin/bash timestamp=$(date +%F_%H-%M-%S) filename=/var/log/iwl-fw-error_${timestamp}.dump cat /sys/${DEVPATH}/data > ${filename} echo 1 > /sys/${DEVPATH}/data This way, each time a dump is created it will automatically land on your file system. Remember to make the /sbin/iwlfwdump.sh file executable (i.e. chmod a+x /sbin/iwlfwdump.sh), so that the udev rule can execute it, otherwise it won’t work. [1] https://wireless.docs.kernel.org/en/latest/en/users/drivers/iwlwifi/debugging.html#how-to-provide-information-to-debug-the-firmware > > Tested-by: Malte Schababerle > on OnePlus 7T (SM8150/WCN3990), kernel 6.17, FW WLAN.HL.3.2.0.c2-00006