linux-kernel - Re: Regression in 5.18.3 from "xhci: Set HCD flag to defer primary roothub registration"

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <AF1EDC5C-7304-48F4-A981-CD8DDBFAB5EE@gmail.com>
Date:   Sat, 11 Jun 2022 18:18:08 +0400
From:   Christian Hewitt <christianshewitt@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Chris Chiu <chris.chiu@...onical.com>,
        linux-usb@...r.kernel.org,
        "open list:ARM/Amlogic Meson..." <linux-amlogic@...ts.infradead.org>,
        stable@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Neil Armstrong <narmstrong@...libre.com>
Subject: Re: Regression in 5.18.3 from "xhci: Set HCD flag to defer primary
 roothub registration"


> On 11 Jun 2022, at 11:32 am, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> 
> On Sat, Jun 11, 2022 at 10:49:23AM +0400, Christian Hewitt wrote:
>> Commit 6c64a664e1cff339ec698d803fa8cbb9af5d95ce “xhci: Set HCD flag to defer
>> primary roothub registration” added for Linux 5.18.3 caused a regression on
>> some Amlogic S912 devices (original user forum report with an Android TV box
>> and confirmed with a Khadas VIM2 board). I do not see issues with older S905
>> (WeTeK Play2) or newer S922X (Odroid N2+) devices running the same kernel.
>> There are no kernel splats or error messages but lsusb shows no output and
>> nothing works. Simple revert restores the previous good working behaviour.
>> 
>> dmesg with commit http://ix.io/3ZTv
>> dmesg with revert http://ix.io/3ZTw
>> 
>> I’m not a coder so will need to be fed instructions to assist with debugging
>> the issue further if you don't have access to an Amlogic S912 device. I can
>> share devices online for remote poking around if needed.
> 
> Does 5.19-rc1 also have this problem?

No, and in the process of fixing up my normal patchset to test 5.19-rc1 I’ve
spotted some other USB patches picked from lists. Once dropped from 5.18.3 usb
works again. So my bad, sorry for the noise!

Christian