From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A4F011713 for ; Sun, 28 Dec 2025 00:18:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766881121; cv=none; b=TCzYr/SgfcN1eErnRF779YER2bvoILWj0HkvmJ8F4hEn+ayqPIohHm1DaEzyPglh2jaQZ1X4QfwZPS+kwrHMFQ/gmrr/wGW0ktbQvAM6sQx8PXWmm0xDZprqD5of4/bUPpicaAAvbMY8NGzBJ/m5ng+ALR7Zjn1bGonHTCvX+a4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766881121; c=relaxed/simple; bh=mA4xZkh+IOnROo9dYqtZQB8RfI56qce5+TX4AgzD1wM=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=PfzxpRhKYwCG73wg3++Rv5LiOcJ1KIpP+UMczE6yuT4rnWzuGgI9Wjlh7LMLRcSdJ0gJKgcINfCOEHyRJkYtXTZk8Tf9GDddnZLWpQHQPABE9ormd1l3j1H2Qp8Vpxdq7rZLvFOfIiX7f0ujooRKoAKfy39u68ehTEpHLXONpHo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Ngo8rijB; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b=PguR7RVL; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Ngo8rijB"; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b="PguR7RVL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1766881118; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wqR5WHFE7nfIedlDLTwqJJFi0bNQgjEyNOznlTwzMF8=; b=Ngo8rijBYCGsJgZgJaCz9qHSr60zJ7mQsZa/yxXzF/CYTvTK+RAzWjkuI4sPh7JhkQU90r IUpvJF4WxLinxQrvPSEMYJ/YIEjnYd4vmAjrTjPQyp5EW5Rnzv4oAa5MOWGwmVC/aw/vV4 PXA7/7FQxuHb17H9ZhLzECg3qxn3dnY= Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-652-Ja_OxTb3PD-72Pt59WVFnA-1; Sat, 27 Dec 2025 19:18:36 -0500 X-MC-Unique: Ja_OxTb3PD-72Pt59WVFnA-1 X-Mimecast-MFC-AGG-ID: Ja_OxTb3PD-72Pt59WVFnA_1766881116 Received: by mail-qt1-f197.google.com with SMTP id d75a77b69052e-4f1d26abbd8so238159831cf.1 for ; Sat, 27 Dec 2025 16:18:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1766881116; x=1767485916; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:from:subject:user-agent:mime-version:date:message-id:from:to :cc:subject:date:message-id:reply-to; bh=wqR5WHFE7nfIedlDLTwqJJFi0bNQgjEyNOznlTwzMF8=; b=PguR7RVLE5JckiN+14NI9GPZQ5Pjjf04DE8514XGXgd1zcZZsVm7QZTUNz8oypV8zg o9NHfcS8tHd+XKRZ9C7Ojxk1CiX6o42sPeGOYVSAAgRrFn+jkLDRCIuj/oAAFOL3IY57 I1xZEcowhLLHMmGhx7pw+IbtDOPgtFhok4/K0J4dLk51BlAtvpjz6bmPkxfeI6tMRYBg 3X8kW2ctg15yj9Cr5rDlIALHQpkmcHriMaCJQTlld3zkLTD+tGcAZUCaXssD5W5Sqt56 r/PR848zXW/1W4r1KtjFi200D1bptsKSGjvnMS1+YuG7WJuH3AWcDApT4nlC9r6WJUOF IDfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766881116; x=1767485916; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:from:subject:user-agent:mime-version:date:message-id:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=wqR5WHFE7nfIedlDLTwqJJFi0bNQgjEyNOznlTwzMF8=; b=AhSBf7k4hI2ctAkYtKwJxS7JFfxXz8Ju21TP2O9hCZxsW6QpSSPhYV8a4iGCqeEbEp l2tIkpihhcj3VbHtPrLPKSJOebmIWp24o2OfPqcGmjmp5lBEmTzNWIGQ2M07sCTvXtIO R2Qmb+L5X9C1JcBU/rIBbbyny1L7tqArx3pxhKFLMIErWHHE3DSZZCAkgT1T2efX4BEV UjolsYDrJ0Uz27Yc7TXF9QT/ZUTSg31qCHVy0ACDCJ1u3sVpQZT2T9TaHvIwPzut3rqS u0PSwcFk5uBiwi/R/3dId/MzQ8jU5f8nx6I3i0/2JN/1drwTDvQ9MlG7Qh+3vN9hj3vp RcnA== X-Forwarded-Encrypted: i=1; AJvYcCXDAHUVFcyVHztvJnempw8ZMrjx/HqA6g6MlWMaJScDAzeLk101qpxV75LTfaoswmUbjnkuw/irjUCxiyU=@vger.kernel.org X-Gm-Message-State: AOJu0YzXeXdOpoCq9vpeE7Hqi/dMZy/R2FFrfL1KkTd+HLxlmpV9FYHQ AzVdIolxwyGCj3MnCyQU+Cq6mbjnHpiBkISUZc01Sg23uMidoeihBywrd0VQiOQJrbI9HjbnSCP B7JSjN433t+wIl/FkpJJMwO+dZwtvWmI+cNHhXDSDaDMPICHb+UcX98IkuFPol9Bgqw== X-Gm-Gg: AY/fxX6Wh72CdCnndH3QJYwe2MzYBjk6m/53lg3kVJrMftcBBdGBczJYvGA3apQTwy1 gdicn0dlu/vT+tIgh1BQNymnVSZr5oDESCOwAJ2UtiTg+ZSBjCAOkOJC2y46PTBzCXqvJdELy5l TNpHKJy8EkHcv7x1ReEhyViD33SSZxrM1Uio5jk1CFKkH11eWPUJqLnHOBcOC2zDJACuPs6kneT ShahO1Z+XOkbQCAlvHbC4Rt7uhBQOuyOgsDGvAax0N08+RvSuzuoj272/w8jODu7cv6Fh+DQ/s/ ZXJ4bNhiTLiJ6g4oKUv/vFfYd14StH2AsOcZPumi+v97xa+GDb5LbSy+Ky1IFTFK0mBtxYmL1ef WW2Ar27BcDeZtR1X95LXBs4BahGzEJf1X72c4xLOU6XQaYPN5b18= X-Received: by 2002:ac8:6681:0:b0:4f6:fe06:6cf5 with SMTP id d75a77b69052e-4f81a80489emr7949671cf.28.1766881116254; Sat, 27 Dec 2025 16:18:36 -0800 (PST) X-Google-Smtp-Source: AGHT+IGdcNz3k8Zcw6evwj0qQEpbP+CQXVPF3z7KIXIQn98bZQezQtwjFGuO/GyEM7uNUQswQYVdPw== X-Received: by 2002:ac8:6681:0:b0:4f6:fe06:6cf5 with SMTP id d75a77b69052e-4f81a80489emr7949451cf.28.1766881115900; Sat, 27 Dec 2025 16:18:35 -0800 (PST) Received: from [10.0.0.82] (97-127-77-149.mpls.qwest.net. [97.127.77.149]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4f4ac563f66sm186020801cf.15.2025.12.27.16.18.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 27 Dec 2025 16:18:35 -0800 (PST) Message-ID: <1db851cc-f1a8-4de6-a01e-37ec091094ce@redhat.com> Date: Sat, 27 Dec 2025 18:18:34 -0600 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: [linux-next:master] [fs] 51a146e059: BUG:kernel_hang_in_boot_stage From: Eric Sandeen To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Christian Brauner , linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: <202512230315.1717476b-lkp@intel.com> Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 12/26/25 2:01 PM, Eric Sandeen wrote: > On 12/22/25 8:36 PM, kernel test robot wrote: >> >> >> Hello, >> >> >> we don't have enough knowledge to analyze the connection between the issue and >> this change. just observed the issue is quite persistent on 51a146e059 and >> clean on its parent. > > Odd. Not much to go on, and I don't see any obvious connection either, but > I'll see if i can reproduce. I can more or less reproduce, I think, though I am not getting the hung task warning. Oddly if I just put the struct dentry *(*mount) ... member back in struct file_system_type it seems to resolve the problem. Even if I give it a different symbol name (like mount_foo). I'm confused. -Eric