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dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from PH8PR12MB6914.namprd12.prod.outlook.com (2603:10b6:510:1cb::21) by PH8PR12MB7112.namprd12.prod.outlook.com (2603:10b6:510:22c::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.522.18; Tue, 20 Oct 2026 13:49:15 +0000 Received: from PH8PR12MB6914.namprd12.prod.outlook.com ([fe80::2893:177a:72b0:6000]) by PH8PR12MB6914.namprd12.prod.outlook.com ([fe80::2893:177a:72b0:6000%7]) with mapi id 15.21.0522.017; Tue, 20 Oct 2026 13:49:15 +0000 Message-ID: Date: Tue, 20 Oct 2026 08:49:13 -0500 User-Agent: Mozilla Thunderbird Subject: Re: [BUG] thunderbolt: NULL pointer dereference in tb_dp_dprx_work after device disconnect (7.2.6) Content-Language: en-US To: =?UTF-8?Q?Pawe=C5=82_Frelek?= Cc: Mika Westerberg , westeri@kernel.org, linux-usb@vger.kernel.org, andreas.noever@gmail.com, YehezkelShB@gmail.com, Sanath S , Basavaraj Natikar References: <20260925052929.GW106095@black.igk.intel.com> <20261016055802.GV176164@black.igk.intel.com> <20261019061121.GZ176164@black.igk.intel.com> <2d0ba53b-9f23-4fb1-bd97-637711017fa4@amd.com> From: Mario Limonciello In-Reply-To: Content-Type: text/plain; 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Can you see >> if these help? > > Hi Mario, > > These are the same three patches you shared on > https://gitlab.freedesktop.org/drm/amd/-/issues/5981 on Oct 15. > > I tested them on v7.3. 0002 and 0003 apply cleanly. 0001 doesn’t > apply, so I ported it by hand with a lot of help from Claude (AI): > amdgpu_dm_release_irq_stream() is a plain static function placed > before manage_dm_interrupts(), with no header change and the KUnit > test left out. The port is attached in case I got something wrong. > > Test: power off the external monitors, wait 60 s, power them on > again, done 3 times, each from a fresh boot. > > “Sending link address failed with -5”: 2 of 3 > “Step 2 of creating MST payload failed: -5”: 1 of 3 > link_hwss_dpia WARN (line 60 with 0002 applied): 1 of 3 > > For comparison, with only 0002+0003 on v7.3 (2 tries) I had the > “Step 2” error 2 of 2 and the dpia WARN 1 of 2. > > Thanks, > Paweł > > > Thanks, it hadn't occurred to me you were the OP for that issue :) Let's continue to follow up on the gitlab ticket.