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 7735C324B3F; Thu, 30 Oct 2025 22:27:07 +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=1761863229; cv=none; b=VvejzidzWk5uUqQRxqUeSO20vMLk3jefbFSGVIXZXJyb3zBtIFbcoH3r4mus4WQFLb81wX+8KnAMdgkoAAzCmkDCmmQbwbtzkktg9Y/vqEuk6vmcQr0ZQclBgb/E8NRjB2EPfWhWYmtRHAG01ve6qWIR9RDbcYOGl0A/1uaGFf8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761863229; c=relaxed/simple; bh=7o4EaCQ3TnXfyYP07SLDrDw7LwaNG7p+R80Pcj96IKc=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=sa5WfcL7eOWABIDGYwTIQ7MKQijiHoJS69gpGdiCsd7+k67YYz9hJJCEFi0YhRZKs6/aT+5HVKv1ZDTH4e2hbK/tar4GJ6mLnr4bhZt4EJd3qm+0o4xFSKfqlGPeIut+KuEn912+sSXnqHjBwyV/wQBhEc6sGRbSPiq86s4iZa0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tCmY+pZl; 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="tCmY+pZl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAD48C4CEF8; Thu, 30 Oct 2025 22:27:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761863226; bh=7o4EaCQ3TnXfyYP07SLDrDw7LwaNG7p+R80Pcj96IKc=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=tCmY+pZlK+hy/GQg2sPj7AJN7lEowqaCM3fdOzzcD3TeoQrTlacAzc7efNkT6WzNb 4hypDQCIy46O4pAIYFYPk+wuWgsVg+5gaoEToqgBaEEiBJbtXos3IXmVBci1q8LGLi SHRR52ZA1ektUWXPmUQkSdAUMLWZ9hcyiRfwC0Y9WSQUJRFfLSYPyI/7DivC7awB/e NHOyBB0i1IWdv1AlMWRB5B9zOJQPNILitN/bd85z6IZFzCgOIYXggbOMFiYB++XPWE 8JFPkzsfoqUIE4x3PfR0zdnvRfUOwp/XSIx8OUjr4dy2fYPiXEdm4Ok2KY3GKK41Ma E/eXq7ZQ0RzIQ== Date: Thu, 30 Oct 2025 17:27:05 -0500 From: Bjorn Helgaas To: Kenneth Crudup Cc: inochiama@gmail.com, tglx@linutronix.de, bhelgaas@google.com, unicorn_wang@outlook.com, linux-pci@vger.kernel.org, Genes Lists , Jens Axboe , Todd Brandt , regressions@lists.linux.dev Subject: Re: commit 54f45a30c0 ("PCI/MSI: Add startup/shutdown for per device domains") causing boot hangs on my laptop Message-ID: <20251030222705.GA1657140@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: <20251028225237.GA1539571@bhelgaas> On Tue, Oct 28, 2025 at 05:52:37PM -0500, Bjorn Helgaas wrote: > On Mon, Oct 13, 2025 at 04:19:39PM -0500, Bjorn Helgaas wrote: > > On Mon, Oct 13, 2025 at 04:18:16PM -0500, Bjorn Helgaas wrote: > > > On Thu, Oct 02, 2025 at 10:04:17AM -0700, Kenneth Crudup wrote: > > > > > > > > I'm running Linus' master (as of 7f7072574). > > > > > > > > I bisected it to the above named commit (but had to back out ba9d484ed3 > > > > (""PCI/MSI: Remove the conditional parent [un]mask logic") and then > > > > 727e914bbfbbd ("PCI/MSI: Check MSI_FLAG_PCI_MSI_MASK_PARENT in > > > > cond_[startup|shutdown]_parent()") first for a clean revert.) > ... > > #regzbot introduced: 54f45a30c0 ("PCI/MSI: Add startup/shutdown for per device domains") > > #regzbot link: https://lore.kernel.org/all/3152ca947e89ee37264b90c422e77bb0e3d575b9.camel@sapience.com/ > > #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=220658 > > #regzbot fix: e433110eb5bf ("PCI: vmd: Override irq_startup()/irq_shutdown() in vmd_init_dev_msi_info()") #regzbot report: https://lore.kernel.org/r/af5f1790-c3b3-4f43-97d5-759d43e09c7b@panix.com #regzbot introduced: 54f45a30c0d0 #regzbot fix: e433110eb5bf 54f45a30c0d0 ("PCI/MSI: Add startup/shutdown for per device domains") e433110eb5bf ("PCI: vmd: Override irq_startup()/irq_shutdown() in vmd_init_dev_msi_info()") (appeared in v6.18-rc2)