linux-kernel - Re: SCSI hotplug issues with UEFI VM with guest kernel >= 6.5

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Message-ID: <a5121397-2a40-4c77-9dd3-8f0f47ec1360@proxmox.com>
Date:   Mon, 11 Dec 2023 15:53:46 +0100
From:   Fiona Ebner <f.ebner@...xmox.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Igor Mammedov <imammedo@...hat.com>, linux-pci@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        bhelgaas@...gle.com, lenb@...nel.org, rafael@...nel.org,
        Thomas Lamprecht <t.lamprecht@...xmox.com>
Subject: Re: SCSI hotplug issues with UEFI VM with guest kernel >= 6.5

Am 11.12.23 um 15:12 schrieb Bjorn Helgaas:
> On Mon, Dec 11, 2023 at 02:52:42PM +0100, Fiona Ebner wrote:
>> Am 11.12.23 um 08:46 schrieb Igor Mammedov:
>>> On Fri, 8 Dec 2023 16:47:23 +0100
>>> Igor Mammedov <imammedo@...hat.com> wrote:
>>>> On Thu, 7 Dec 2023 17:28:15 -0600
>>>> Bjorn Helgaas <helgaas@...nel.org> wrote:
>>>>
>>>>> What's the actual symptom that this is broken?  All these log
>>>>> fragments show the exact same assignments for BARs 0, 1, 4 and for the
>>>>> bridge windows.
>>
>> The disk never shows up in /dev
>>
>>>>> I assume 0000:01:02.0 is the hot-added SCSI HBA, and 00:05.0 is a
>>>>> bridge leading to it?
>>>>>
>>>>> Can you put the complete dmesg logs somewhere?  There's a lot of
>>>>> context missing here.
>>
>> Is this still necessary with Igor being able to reproduce the issue?
> 
> Only if you want help resolving the problem.  I don't have time to
> guess what interesting things might be missing and go back and forth
> to get them.
> 

I put the output of dmesg with my original QEMU commandline and kernel
6.7.0-rc3 here:

https://pastebin.com/UvpGAYf2

Best Regards,
Fiona