From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [80.237.130.52]) (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 380CB10952; Fri, 15 Dec 2023 07:42:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=leemhuis.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=leemhuis.info Received: from [2a02:8108:8980:2478:8cde:aa2c:f324:937e]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1rE2pW-0007pk-C4; Fri, 15 Dec 2023 08:41:54 +0100 Message-ID: <9bcfa8a1-3da3-461a-8873-bf3963f5ffbf@leemhuis.info> Date: Fri, 15 Dec 2023 08:41:57 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: SCSI hotplug issues with UEFI VM with guest kernel >= 6.5 Content-Language: en-US, de-DE To: linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, Linux kernel regressions list Cc: linux-kernel@vger.kernel.org References: <9eb669c0-d8f2-431d-a700-6da13053ae54@proxmox.com> From: "Linux regression tracking #update (Thorsten Leemhuis)" Reply-To: Linux regressions mailing list In-Reply-To: <9eb669c0-d8f2-431d-a700-6da13053ae54@proxmox.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1702626122;af73442c; X-HE-SMSGID: 1rE2pW-0007pk-C4 [TLDR: This mail in primarily relevant for Linux kernel regression tracking. See link in footer if these mails annoy you.] On 29.11.23 16:22, Fiona Ebner wrote: > it seems that hot-plugging SCSI disks for QEMU virtual machines booting > with UEFI and with guest kernels >= 6.5 might be broken. It's not > consistently broken, hinting there might be a race somewhere. > > Reverting the following two commits seems to make it work reliably again: > > cc22522fd55e2 ("PCI: acpiphp: Use > pci_assign_unassigned_bridge_resources() only for non-root bus") > 40613da52b13f ("PCI: acpiphp: Reassign resources on bridge if necessary" #regzbot fix: Revert "PCI: acpiphp: Reassign resources on bridge if necessary" #regzbot ignore-activity Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr That page also explains what to do if mails like this annoy you.