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[76.146.136.228]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2eeffcdd432sm3180613a91.2.2024.12.05.18.29.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Dec 2024 18:29:20 -0800 (PST) From: John Glotzer To: sergio.callegari@gmail.com Cc: Aaron.Hou@mediatek.com, Chris.Lu@mediatek.com, Deren.Wu@mediatek.com, Hao.Qin@mediatek.com, Sean.Wang@mediatek.com, jglotzer@gmail.com, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, luiz.dentz@gmail.com, marc.payne@mdpsys.co.uk, marcel@holtmann.org, regressions@leemhuis.info, regressions@lists.linux.dev, steve.lee@mediatek.com, tiwai@suse.de Subject: Re: [REGRESSION] bluetooth: mt7921: Crash on Resume From Suspend And Hibernate Date: Thu, 5 Dec 2024 18:29:19 -0800 Message-ID: <20241206022919.183292-1-jglotzer@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sergio, My apologies, I neglected to mention that my setup is PCI, and not USB. It's an AMD Ryzen 5 7600 CPU on a PRO B650M-A Wifi motherboard. For completeness OS is Fedora 40 with any kernel starting with 6.11.x. $ lspci | grep MEDIATEK 0c:00.0 Network controller: MEDIATEK Corp. MT7922 802.11ax PCI Express Wireless Network Adapter $lshw -C Network ... *-network description: Wireless interface product: MT7922 802.11ax PCI Express Wireless Network Adapter vendor: MEDIATEK Corp. physical id: 0 bus info: pci@0000:0c:00.0 logical name: wlp12s0 version: 00 serial: 0e:80:32:35:2c:9b width: 64 bits clock: 33MHz capabilities: bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=mt7921e driverversion=6.11.10-200.fc40.x86_64 firmware=____000000-20240716163327 ip=192.168.139.211 latency=0 link=yes multicast=yes wireless=IEEE 802.11 resources: iomemory:fc0-fbf irq:103 memory:fcf0300000-fcf03fffff memory:f6c00000-f6c07fff What I am struggling to understand is given how easy this issue is to reproduce - an AMD CPU, Mediatek MT7922 wifi/bluetooth chip, and a 6.11 kernel, you suspend, and then wake up, kernel panics - I would have thought that the interested parties would make this a priority. I think that a logical first step would be for SW owners to confirm (or deny) the anomalous behavior. Thanks, John