From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 88B7427381C; Thu, 7 Aug 2025 16:03:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754582583; cv=none; b=dZZuSflDH+zyUEoe2UbxLz+xL3puZfESDP10hgaHb+edsTX7Xm5LSr6/pXMrNpR96GA+UCo84LbaFSmNcLz2Feo3XXNEXDNR5lBlwOdfSP9YHWeU7lgo/V5SSq4n1DATr6yDcYvv2JlcfbjuVCjvmrdCdT9lD45CJkQ1rUS0NfY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754582583; c=relaxed/simple; bh=hcnVu7tDgb/ADY1nYYF8paHUskD2YSfWU7CIZv1TN6o=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=XEacrmwCwXN6/0xzPTsr0pK9FBcXoTvsZcgqXFjPIVeeQ18v7v3nGU+Q42DJczcZ9FXJZlVgkY5ykaAjwYU+B1BxVoa+c78gODxBOQORiGHdEwRyijFI8Ts4gMKJwPWqscShSWULws8iBRHBFLOj7dcFqmtq8dPwW6rdHfzdCaw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mZNejh4T; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mZNejh4T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC465C4CEEB; Thu, 7 Aug 2025 16:03:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754582583; bh=hcnVu7tDgb/ADY1nYYF8paHUskD2YSfWU7CIZv1TN6o=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=mZNejh4TyoaZNvB+A3Ma6NgB3CkunSmrXCGpZD3LkXdb/F9gO03Zoqijchx/yfGx8 f9U8hfjYmqQIHCkeOkIvP6JuoVsXpJahsDP8PLQ9uQDo9HA5tMwoVWy3oFhcP35ENi oWGNV8cBWSWKUM8QpqhEzj3tNmCGOs0VhKMZYzuIety8yoAMh1+s7x8LUgDSRI8jtQ maCwH0E3luvZn3J1yoZQsvmEnvOKVPFSNuGWbnL9c8jK5xmbMshy1fC7rXnjTwc9xn TekFNyAHWwXvmC9BlVVI9z1lXXyT2nQZ42e2ZUzik55jFOsWNgb+GwK0PrJN/6xfS0 cuW2jMfcKkj1Q== Date: Thu, 7 Aug 2025 11:03:01 -0500 From: Bjorn Helgaas To: Kenneth Crudup Cc: namcao@linutronix.de, mani@kernel.org, Bjorn Helgaas , linux-pci@vger.kernel.org, regressions@lists.linux.dev Subject: Re: Commit d7d8ab87e3e ("PCI: vmd: Switch to msi_create_parent_irq_domain()") causes early-stage reboots on my Dell XPS-9320 Message-ID: <20250807160301.GA50800@bhelgaas> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Aug 06, 2025 at 04:07:30PM -0700, Kenneth Crudup wrote: > > I'm running Linus' master (as of today, cca7a0aae8958c9b1). > > If I revert the named commit, I can boot OK. Unfortunately there's no real > output before the machine reboots, to help identify the problem. > > I have a(n enabled) VMD in my Alderlake machine: > > [ 0.141952] [ T1] smpboot: CPU0: 12th Gen Intel(R) Core(TM) i7-1280P > (family: 0x6, model: 0x9a, stepping: 0x3) #regzbot introduced: d7d8ab87e3e7 ("PCI: vmd: Switch to msi_create_parent_irq_domain()")