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 4E774308F38; Thu, 23 Oct 2025 16:42:06 +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=1761237727; cv=none; b=GSVsBC+g0oitJJOqJJI9JwfpBhmkGWJQvSDy8TprqhFl4iDLbYOIczYWRHfIt3gnPL7cgSC3dd71XHHZ3zllQdVhR36s+uj49tQdQPAg7/5G3FNlhiAZjJUmq2qb5d4DsCBLrZS3we2obOU15EVSvYVFeoQk49K/ntWrT+XhXVY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761237727; c=relaxed/simple; bh=uJlSRfT8/bS/3xoosDFJ8lVEcav1dFXv/a8+4Z4p9yU=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=C98lTi/u8g3Abci4+sCqa5DOAm8T+WzTCY+4F2yszfplFfx5aRLtnynjeG1N1pCNf7oyEBeou1B6qRVF7Ff+Sr+60QawngvHM6Kx2W7DR8Gb4aim7+tuOWEO1Ilik9gwnfoM5S0+pN/tLQJ2LwxFdr9x0bq6RVBmnCqxoVmzbIo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E0c6/U5A; 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="E0c6/U5A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65469C4CEE7; Thu, 23 Oct 2025 16:42:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761237726; bh=uJlSRfT8/bS/3xoosDFJ8lVEcav1dFXv/a8+4Z4p9yU=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=E0c6/U5APlHZou8vlFPJ5i8G+pQK2bxrRcJDExNNhIVu/u7etT0Y2H9Z4rb3xftrM 0Vjf5301edc0190v3pxs7zi/L8/O3Sn/QweobA4o86du8XidbyWifaYtaLclEcMA8q Q6MIZ7Oe9KfuN34xfcvQezpP/3PO50tmOAWqm3+pLRsoVp6RRptrBlf5fW03miAbND wUW0sOn86j3UQ8DApmdq29SyZWg4lAn3BVrPOLhUyl5R2+8kI4UaNKUKNHwjtf92yS l3XNdyeYuJWbZiKJhBTd03iiWeNZgz5CgyBUhhiGvWhHZf/QYYvdrw+YfP8s6vqArM 5VoidMT8evUdw== Date: Thu, 23 Oct 2025 11:42:05 -0500 From: Bjorn Helgaas To: Linnaea Lavia Cc: "linux-amlogic@lists.infradead.org" , "linux-pci@vger.kernel.org" , regressions@lists.linux.dev, Yue Wang , Neil Armstrong , Kevin Hilman , Krishna Chaitanya Chundru Subject: Re: PCIe probe failure on AmLogic A311D after 6.18-rc1 Message-ID: <20251023164205.GA1299816@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: [+cc Meson folks, Krishna, author of c96992a24bec] On Thu, Oct 23, 2025 at 11:33:07AM +0000, Linnaea Lavia wrote: > I'm getting the following in dmesg after installing 6.18-rc1 on a VIM3 board. > > [ 5.391324] [ T50] dw-pcie fc000000.pcie: error -ENXIO: IRQ index 1 not found > [ 5.411265] [ T50] meson-pcie fc000000.pcie: host bridge /soc/pcie@fc000000 ranges: > [ 5.415323] [ T50] meson-pcie fc000000.pcie: IO 0x00fc600000..0x00fc6fffff -> 0x0000000000 > [ 5.422278] [ T50] meson-pcie fc000000.pcie: MEM 0x00fc700000..0x00fdffffff -> 0x00fc700000 > [ 5.442280] [ T50] meson-pcie fc000000.pcie: error -EBUSY: can't request region for resource [mem 0xfc000000-0xfc3fffff] > [ 5.449631] [ T50] meson-pcie fc000000.pcie: Add PCIe port failed, -16 > [ 5.458779] [ T50] meson-pcie fc000000.pcie: probe with driver meson-pcie failed with error -16 > > I think the problem is related to c96992a24bec("PCI: dwc: Add > support for ELBI resource mapping") and 2f2cea1ea70a("PCI: > dwc/meson: Rework PCI config and DW port logic register accesses"), > as they're both trying to map ELBI/DBI registers. Thanks for the report! Can you post complete dmesg logs for working and broken boots, e.g., v6.17 and v6.18-rc1? #regzbot ^introduced: v6.18-rc1