From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: David GUENAULT <david.guenault@gmail.com>
Cc: Andreas Noever <andreas.noever@gmail.com>,
Mika Westerberg <westeri@kernel.org>,
Yehezkel Bernat <YehezkelShB@gmail.com>,
linux-usb@vger.kernel.org
Subject: Re: thunderbolt: PCIe tunnel creation fails for USB4 eGPU dock on Titan Ridge host
Date: Tue, 18 Aug 2026 13:55:44 +0200 [thread overview]
Message-ID: <20260818115544.GY893316@black.igk.intel.com> (raw)
In-Reply-To: <20260807113501.GP235112@black.igk.intel.com>
Hi David,
On Fri, Aug 07, 2026 at 01:35:01PM +0200, Mika Westerberg wrote:
> Okay I took my laptop (TB3) and connected TB5 dock and I can see exactly
> the same issue as yours. It definitely should work in TB3 compatible mode
> but apparently not. Let me ask around.
Sorry about the delay - inside big corporation finding correct people
sometimes takes long time. Unfortunately the reason is that none of the
Thunderbolt 3 firmware connection managers support Thunderbolt 5 devices.
It needs to be Thunderbolt 4/5 host (FW CM and SW CM).
prev parent reply other threads:[~2026-08-18 11:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-06 21:48 thunderbolt: PCIe tunnel creation fails for USB4 eGPU dock on Titan Ridge host David GUENAULT
2026-08-07 4:37 ` Mika Westerberg
2026-08-07 9:55 ` David GUENAULT
2026-08-07 10:18 ` Mika Westerberg
2026-08-07 11:01 ` David GUENAULT
2026-08-07 11:29 ` Mika Westerberg
2026-08-07 11:35 ` Mika Westerberg
2026-08-18 11:55 ` Mika Westerberg [this message]
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