From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailbackend.panix.com (mailbackend.panix.com [166.84.1.89]) (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 1200120296E for ; Wed, 8 Oct 2025 21:53:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.84.1.89 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759960435; cv=none; b=LPgkVlC1eaafq2KP2fgeKi1WENDPPbZyOcVtvd4Vd06lm+N7H9/OH/pAnf0yBo+B1sHXLvys2zKQ/qssT25HanCDo7jANFh5zKe2ReUGL6KLSqu3GAXqBzidIjxDRTfv9UzVyBA7eYeFiR33TmY69TPq7P1tISEOccSjs7C3l+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759960435; c=relaxed/simple; bh=TwL8fSe6ypaUWThvj+WbLVnVG1nkkTI5BxCxND33tgw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=EmkN27s/QEALMmkDy1tW6d0Yk6usCZJm/fxX5PYYAQyJLh4Zyyy5tzUvOc9itjyZqBqn/zZjbie231S53yrxK9jLG0WmEsth0CLdLq+8Y/MUHoOulLAWDyk1Y9o6Np3aE3F8W4BFVA2wy458llHkMDJzE9Ccl2bXXJIpaj1eqy4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=panix.com; spf=pass smtp.mailfrom=panix.com; dkim=pass (1024-bit key) header.d=panix.com header.i=@panix.com header.b=izGtxcPH; arc=none smtp.client-ip=166.84.1.89 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=panix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=panix.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=panix.com header.i=@panix.com header.b="izGtxcPH" Received: from [10.50.4.39] (45-31-46-51.lightspeed.sndgca.sbcglobal.net [45.31.46.51]) by mailbackend.panix.com (Postfix) with ESMTPSA id 4chmwl46MJz45Bs; Wed, 8 Oct 2025 17:53:43 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=panix.com; s=panix; t=1759960424; bh=TwL8fSe6ypaUWThvj+WbLVnVG1nkkTI5BxCxND33tgw=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=izGtxcPHz/JGALZkS2oKt8yCEVmsxPDK11g/ycPSkheGv8ZdKR12JH9/f+K5dHLQi 96gdac8u8jw6YHyRRG7J1SyeXWLLRvqmIdxylXHC+cBnk7aUZmA6kN2oVRdtAInUks qyMluK5qGienxpI2WHHNjOAEfHHt3yMYmGXRL9Qw= Message-ID: <78e35f80-d250-4ece-9d34-045a55609ec4@panix.com> Date: Wed, 8 Oct 2025 14:53:42 -0700 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Commit 4292a1e45fd4 ("PCI: Refactor distributing available memory to use loops") gives errors enumerating TBolt devices behind my TB dock To: Bjorn Helgaas , Kenneth C Cc: ilpo.jarvinen@linux.intel.com, Bjorn Helgaas , linux-pci@vger.kernel.org References: <20251008201443.GA638724@bhelgaas> Content-Language: en-US From: Kenneth Crudup In-Reply-To: <20251008201443.GA638724@bhelgaas> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Tested-By: Kenneth R. Crudup On 10/8/25 13:14, Bjorn Helgaas wrote: > On Tue, Oct 07, 2025 at 02:39:09PM -0700, Kenneth Crudup wrote: >> >> I'm running Linus' master (as of a8cdf51cda30). >> >> I have a Thunderbolt dock (Amazon Basics generic thing, but it also happens >> on my CalDigit TB4). With the above commit (and aaae2863e731 ("PCI: Refactor >> remove_dev_resources() to use pbus_select_window()), so the Subject: commit >> would come out cleanly) if I plug in a TB device past my TB Dock, they don't >> fully enumerate (i.e., no DP tunneling, no partitions created, etc.) > > Can you try this patch, which identified the same 4292a1e45fd4 commit? > > https://lore.kernel.org/r/tencent_8C54420E1B0FF8D804C1B4651DF970716309@qq.com > > I tentatively put it on pci/for-linus. > -- Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange County CA