From: Michal Pecio <michal.pecio@gmail.com>
To: Jeffrey Hein <jp@jphein.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Hans de Goede <hansg@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-media@vger.kernel.org, linux-usb@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH 0/3] USB/UVC: Add quirks to prevent Razer Kiyo Pro xHCI cascade failure
Date: Sun, 29 Mar 2026 17:40:22 +0200 [thread overview]
Message-ID: <20260329174022.6513d797.michal.pecio@gmail.com> (raw)
In-Reply-To: <CAD5VvzDWF7SO0Aytp3K_uXV6ZYoqEqN1dhfv7VtMAHSpHP+qTA@mail.gmail.com>
On Sun, 29 Mar 2026 08:03:42 -0700, Jeffrey Hein wrote:
> I have now tested on 6.17.0-19-generic (Ubuntu 25.04) with dynamic
> debug enabled for xhci_hcd and usbcore, and without any of my proposed
> patches or workarounds applied. No udev quirks, no LPM disable, no
> control throttle -- completely stock kernel.
>
> Results: the stress test passes 50/50 rounds with 0ms delay. On
> 6.8.0-106-generic the same test crashed consistently around round 25.
Thanks for the update, that's good to hear.
Hopefully it will still work without dynamic debug too.
If you would want to fix the old 6.8 kernel you will need to talk with
Ubuntu about it, because that version is no longer supported upstream.
Regards,
Michal
next prev parent reply other threads:[~2026-03-29 15:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-21 22:37 [PATCH 0/3] USB/UVC: Add quirks to prevent Razer Kiyo Pro xHCI cascade failure JP Hein
2026-03-21 22:37 ` [PATCH 1/3] USB: core: add NO_LPM quirk for Razer Kiyo Pro webcam JP Hein
2026-03-21 22:37 ` [PATCH 2/3] media: uvcvideo: add UVC_QUIRK_CTRL_THROTTLE for fragile firmware JP Hein
2026-03-21 22:37 ` [PATCH 3/3] media: uvcvideo: add quirks for Razer Kiyo Pro webcam JP Hein
2026-03-22 2:15 ` [PATCH 0/3] USB/UVC: Add quirks to prevent Razer Kiyo Pro xHCI cascade failure Alan Stern
2026-03-22 4:53 ` Michal Pecio
2026-03-22 22:10 ` Jeffrey Hein
2026-03-23 7:58 ` Michal Pecio
2026-03-29 15:03 ` Jeffrey Hein
2026-03-29 15:40 ` Michal Pecio [this message]
2026-03-23 9:56 ` Ricardo Ribalda
-- strict thread matches above, loose matches on Subject: below --
2026-03-22 3:40 JP Hein
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