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 3BF242BAF4 for ; Thu, 16 Oct 2025 16:46:27 +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=1760633188; cv=none; b=rHRR19ypEQR1AXbPayoOo85j5w/2zDrg1/NNmDplXUpdbMdDmXegNh6FXYYZ6PCQK2PgSpuUjysmi4g4MX7/ankHH5t5Yemsn27nIKsS3f/T/wBnOAImZ+dZzIJhQZhQCD25dFer2uZFVfI6IAOiSR+CNCbNPL1ofixoPXL0ews= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760633188; c=relaxed/simple; bh=sdnwPn36A/jptUj0STKS93EhPg6/1zgvrxlbOb6DRB0=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=I8/k4xB5289K8N2TgWFDn5aBfJSva09bqrZf86LBMjcG1hbj0i2+ebdXaQe6Ctf3RZ5p9u/21GATUif5YM92QuUviDbPSj19uRTSmyfdd70qvIO78AsT4AO2TosSRf3MbhynnLHlrGfBVC2O5kfS/Hy27DpVTGGyvPlsnIccn3w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WIvd7NAc; 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="WIvd7NAc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A601C4CEF1; Thu, 16 Oct 2025 16:46:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760633187; bh=sdnwPn36A/jptUj0STKS93EhPg6/1zgvrxlbOb6DRB0=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=WIvd7NAc7OPE2zUSJRyZHfEa1xSj7OKJJvMR5UJ8cOF3WT5MTiuK9rfLRBCj2qIek Wmip6kwuTxvEYqdjCvuP7ilIqK8wkLAziDVUsSwCTSW+8WmSeU4y5D+FE6OobB4oy4 VPGwDoMgUJt5TQhllrw3+FNpWxyPxsDEnZwk/0knvXJ+BjFbSPTA1rByu7sE6PxQZx Hefb91kyEv8gzefbQtBkUWs1+zmZAaHEcrSwUXhDSYKc+KzCZ8O4mjRx9ZQOo2jVR0 FyUPSpKK7BAPmilhgdxxR3uwycZv+72PadNBOnoRmoWLxJeaNpjGzzvOT6B59aVNaW AcK8aYVKFuVeQ== Date: Thu, 16 Oct 2025 11:46:26 -0500 From: Bjorn Helgaas To: linux-pci@vger.kernel.org Cc: bjorn@helgaas.com, Todd Brandt , Inochi Amaoto Subject: Re: [Bug 220658] New: [BISECTED] PCI MSI patch causes boot crash on HP Spectre x360 Convertible 14-ea0xxx Message-ID: <20251016164626.GA988785@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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: [+to linux-pci, just breadcrumbs to connect more dots, +cc Inochi, +bcc Hervé D., feel free to respond if you'd like your email in Reported-by and Tested-by for the fix at https://patch.msgid.link/20251014014607.612586-1-inochiama@gmail.com] On Mon, Oct 13, 2025 at 08:18:18PM +0000, bugzilla-daemon@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=220658 > > Summary: [BISECTED] PCI MSI patch causes boot crash on HP > Spectre x360 Convertible 14-ea0xxx > Kernel Version: 6.18.0-rc1 > Reporter: todd.e.brandt@intel.com > Blocks: 178231 > Regression: Yes > Bisected 54f45a30c0d0153d2be091ba2d683ab6db6d1d5b > > Created attachment 308797 > --> https://bugzilla.kernel.org/attachment.cgi?id=308797&action=edit > hp_spectre_boot_crash_dmesg.jpg > > As of 6.18.0-rc1 the HP Spectre crashes on boot and throws an exception after > about 30 seconds. I've attached a jpg of the crash on the screen. I bisected > the issue first to this merge commit: > > ------------------------------------------------------ > commit 03a53e09cd723295ac1ddd16d9908d1680e7a1bf > Merge: 3b2074c77d25 c33c43f71bda > Author: Linus Torvalds > Date: Tue Sep 30 16:00:29 2025 -0700 > > Merge tag 'irq-drivers-2025-09-29' of > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip > > Pull irq chip driver updates from Thomas Gleixner: > ------------------------------------------------------ > > The first bad commit is within this merge applied to 6.17.0-rc1. I can't remove > it clean but if I build on the commit just prior the failure goes away. So that > offending commit is: > > ------------------------------------------------------ > commit 54f45a30c0d0153d2be091ba2d683ab6db6d1d5b > Author: Inochi Amaoto > Date: Thu Aug 14 07:28:32 2025 +0800 > > PCI/MSI: Add startup/shutdown for per device domains > > As the RISC-V PLIC cannot apply affinity settings without invoking > irq_enable(), it will make the interrupt unavailble when used as an > underlying interrupt chip for the MSI controller. > > Implement the irq_startup() and irq_shutdown() callbacks for the PCI MSI > and MSI-X templates. > > For chips that specify MSI_FLAG_PCI_MSI_STARTUP_PARENT, the parent startup > and shutdown functions are invoked. That allows the interrupt on the parent > chip to be enabled if the interrupt has not been enabled during > allocation. This is necessary for MSI controllers which use PLIC as > underlying parent interrupt chip. > > Suggested-by: Thomas Gleixner > Signed-off-by: Inochi Amaoto > Signed-off-by: Thomas Gleixner > Tested-by: Chen Wang # Pioneerbox > Reviewed-by: Chen Wang > Acked-by: Bjorn Helgaas > Link: > https://lore.kernel.org/all/20250813232835.43458-3-inochiama@gmail.com > > > Referenced Bugs: > > https://bugzilla.kernel.org/show_bug.cgi?id=178231 > [Bug 178231] Meta-bug: Linux suspend-to-mem and freeze performance optimization > -- > You may reply to this email to add a comment. > > You are receiving this mail because: > You are watching the assignee of the bug.