From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4AFF11E52F for ; Tue, 31 Oct 2023 15:40:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UWlNuqAC" Received: by smtp.kernel.org (Postfix) with ESMTPS id CF753C433CB for ; Tue, 31 Oct 2023 15:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698766800; bh=KnA5HCtJXgaPYE7GnhxgryxQmVR/HCat4ZzBvcDbws0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=UWlNuqACJREP3GD6urq8YK0Hp8N8P+RWkyGXKuZxntLihQ7NdJLkWbv6QJVUUCgDR RU7zoIWMOQPGpKLnziiPwMK2p6pPMSCxlQniQDfscytzy3J7zhvhJLPp0K5P9X0iQz w/ZNY+P7+/0low/pW6K/ec3P8oX5qpK8W8ToMuGgeOKTTlfIrdtwqNa+oRc1+cetso 1CUM8KfFhG0tngYq0R26X3NkJnj1I1hWresyhb6RKUPRm5EHBfKp45TKu2dItLRrPj ehX3fWTWzwv62WEe+3eigSIFPuMx78+rXYlAAxGzEQvf4r4tGnO4iPKU4niC9RW5BI NB/RVuMszM2Rg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id B96A5C53BCD; Tue, 31 Oct 2023 15:40:00 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 215906] DMAR fault when connected usb hub (xhci_hcd) Date: Tue, 31 Oct 2023 15:40:00 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: chris.bainbridge@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D215906 --- Comment #16 from Chris Bainbridge (chris.bainbridge@gmail.com) --- > Pretty sure that is something that should be done in userspace, as there = it's > a lot easier to update the dataset with the latest firmware versions. True, but then you have the problem of convincing distributions to ship it = and enable it by default. > The regression was never bisected It's not a regression in the kernel as Piotr said in comment #7. It appeare= d on Debian kernels because Debian enabled IOMMU by default (but not for the GPU= ). This is a Debian-specific patch. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=