From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 0A7AC1B7F4 for ; Sat, 4 Jan 2025 02:57:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735959474; cv=none; b=jV6L+1Eif+AAwrAxUhqZVETHBpBaz3dLoelmkFTmIl2i8Fc/CZmd5C7u3zd1MmPipzmy9A2m93W1Vk8Tb9ukX/hQtekfWTrzJV3YoTkexFQWyLn6Ux67dlN9qJR6z5fEcoX3zjgmWtSP93J0PFoTnWBNkSJ8XMjGo3YcWhNbaGU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735959474; c=relaxed/simple; bh=oJCelb2kwXMXtn+AMDfYFxxs0etOl14pQGWOCbVHBks=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=o6wfE5PYLC8KpC/Ao95+p+ERzG5rp9Ark5UKjcKKiaVqaBrTesf7VZT5dSywQMiCV7nECkQKSfh/N1QzKm3AyURIyyf9VkFMn8sXYT34SYC6Jxu8IrEeZB6Vt+XLfNMgbnwq2Mv2eCO3ecum3MbZ92QnB539vETWakrtiICacOU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none 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=UOxsKQTS; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="UOxsKQTS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1735959470; 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=4Ts+xUGDIl7njorDgSagcACZlaxgVY48RVubAJ/P104=; b=UOxsKQTSub1h/u8Um4SaNgH1Mvwdwnspw69U2z6sAYpqFYM9K/lUqkOwJdif4EY014jTwX gqPgMYOiQSyRR2yOaN6dZ+L/5ndD8j9WprqqvEjm+OqThuL9xEFAbA5SUsLI1oCEYmQbNH hkWMua+nWwoP49AfCYAd3xil9p8H1Ic= Received: from mail-pj1-f72.google.com (mail-pj1-f72.google.com [209.85.216.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-357-kcwoH3_iNqWc2wHr-EVZ4g-1; Fri, 03 Jan 2025 21:57:49 -0500 X-MC-Unique: kcwoH3_iNqWc2wHr-EVZ4g-1 X-Mimecast-MFC-AGG-ID: kcwoH3_iNqWc2wHr-EVZ4g Received: by mail-pj1-f72.google.com with SMTP id 98e67ed59e1d1-2ee86953aeaso17167410a91.2 for ; Fri, 03 Jan 2025 18:57:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735959468; x=1736564268; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=4Ts+xUGDIl7njorDgSagcACZlaxgVY48RVubAJ/P104=; b=T452uay63wr+u82j76hiFx4ZZn/gkg5gCO3R/JcpVf0g4ra4ygf5wvYS8nq8srZdXB Dtr9HnT/dwoSDGjIcRFavuk0lU8xAAYmsAgZFFbqfyBRvb2cA3GXfU1QjzffTtjBVe5M IeJ+RI7ztlkz7FeIBV5NHadshGVKVBsOkcv4TtgXT2uf4wRYgYBFGfYlcHC+hMfRQUok qvfIRzR6K+5ME181aep3U2tdO266S3RflTmetA4cnunrd49yRfjnUlXwhrbPQfPrzNTR uKmyASyYQFDlAVEX0qr+ywjVg4f5ACeZIxu+hW50WMwSMfYt5YhVyFeX4JmSJstx0jCF K2Ug== X-Gm-Message-State: AOJu0YwrsBPQLhDS1Xd6ntVQth8TuvKWKyLi3peIhJLvh8hO0etr1s+p Hf45aEZpfcT0byFr+E+DiV6CbN+RCFdDaQ5wuNoQNDxjS7yx3PzIHn/XaDQyCp5Mz5oDVK1grCa +kWPxekEQjrP8qlL2AAgVTLsDwE4/OC3TkTTFOXoGD0pil+id3RZ2ybopn9m1 X-Gm-Gg: ASbGncvf5SQuucLcBrqhA9Mz39bdVNcyj496sC6Tcec6nt6pnxcPMAm8F4baaSRCleS CHPUwYh2jYzk6KvpiAbs8DEdsLPihcUuCVykydVZCDTD1cfW/ZPg8eUPtYWESFLwPHToFmFx3kG ruEczdPpPLhklPTMYeZk2SmIMQCijstLYdzNA6JpFnNYMWP1oq1RiHhIfy3d5CFam59yjf9oFQ7 whokhP3aR2IJ25uodQNZveA/k3GFtPU/JkXwbu5C3UZWDPL2PlH0FEXvySDFfZkHUo+LLwXcNqq dQ== X-Received: by 2002:a05:6a20:728f:b0:1e1:94ee:c37a with SMTP id adf61e73a8af0-1e5e046ff22mr87440393637.15.1735959468522; Fri, 03 Jan 2025 18:57:48 -0800 (PST) X-Google-Smtp-Source: AGHT+IFPSZNtRBhatQ5yMpUOXBq/uADTthVpSF/xaC6dIzz2K2a1Uq5+91E7WkH4x+Pd027cJXGDRA== X-Received: by 2002:a05:6a20:728f:b0:1e1:94ee:c37a with SMTP id adf61e73a8af0-1e5e046ff22mr87440377637.15.1735959468177; Fri, 03 Jan 2025 18:57:48 -0800 (PST) Received: from omnibook.happyassassin.net ([2001:569:5316:e500:a85b:787d:2ce7:6b60]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-842e35d4becsm20958612a12.79.2025.01.03.18.57.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jan 2025 18:57:47 -0800 (PST) Message-ID: Subject: Re: Kernel crash while doing chroot'ed grub2-mkconfig on qemu-emulated Nehalem CPU since late November 6.13 snapshot From: Adam Williamson To: Luis Chamberlain Cc: linux-kernel@vger.kernel.org, jforbes@redhat.com, rppt@kernel.org Date: Fri, 03 Jan 2025 18:57:46 -0800 In-Reply-To: References: <9a3c747052fb82274ab3c4a84eaf64c1273117ce.camel@redhat.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.54.2 (3.54.2-1.fc41app1) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Fri, 2025-01-03 at 17:51 -0800, Luis Chamberlain wrote: > >=20 > > I have emailed the author and reviewer of > > 5185e7f9f3bd754ab60680814afd714e2673ef88 (also CCed on this mail) but > > have not heard back from them yet. I've sunk over a week into this bug > > at this point so it'd be great if someone could look at it. It's not > > the biggest regression in the world, but it is a bit awkward for our > > automated testing (I'll have to fiddle around to try and set CPU model > > 'host' for the most badly-affected tests but ensure we still have > > enough tests with 'nehalem' to confirm our baseline isn't moved). > >=20 > > Thanks, and happy new year! >=20 > Can you test this: >=20 > https://lore.kernel.org/lkml/20250103065631.26459-1-jgross@suse.com/T/#u = = =20 >=20 > Luis >=20 Absolutely, will do so tomorrow. It looks promising indeed. Thanks a lot! --=20 Adam Williamson (he/him/his) Fedora QA Fedora Chat: @adamwill:fedora.im | Mastodon: @adamw@fosstodon.org https://www.happyassassin.net