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 9E71133CD8 for ; Fri, 24 Nov 2023 16:09:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oXYSd+GN" Received: by smtp.kernel.org (Postfix) with ESMTPS id 28671C433CC for ; Fri, 24 Nov 2023 16:09:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700842179; bh=r+4pWLbrsyX7Lm2KgDHQAV/hJyLxDdOhX7tlDj00bwA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oXYSd+GN4UwVWO9lGGG3nsF9SjmhA1B4h9hhduXUx/14pk+QCXwhGwgnEHA9N3tgT GkZexT881jUXYjXvif7RJ6feWiof6ptga4R69EEYOoJ5vSGzm44Yw16SoDE7iupf2m GzxaQTru5Nh6NepPZNKV2S+dgn8hjBm2HU+sBK2yvoZSaxK+ntqxwk3KMA3uIsZnme YuJTKHNkyQh9Acx2QV5X4iKyNbmmq1cgVCMf2i69MlMfeQsZ3YgI1HVeF7y4frtQQF 69ecbQKx9QTsWpgGkGOh1u5LwMDghdeu5n/JTc7Nt0sOTLcZF9v63kv2FQVV7NpMIQ nL7MTYxGJKhXw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 1245FC53BCD; Fri, 24 Nov 2023 16:09:39 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 215740] kernel warning: DMA-API: xhci_hcd: cacheline tracking EEXIST, overlapping mappings aren't supported Date: Fri, 24 Nov 2023 16:09:38 +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: andy.shevchenko@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=3D215740 --- Comment #27 from Andy Shevchenko (andy.shevchenko@gmail.com) --- Yeah, I got it, so the problematic one (that triggers a warning) is this li= ne ret =3D get_port_status(hub->hdev, port1, &hub->status->port, type, len); where port is 8 bytes, but len =3D 4 as we asked for non-extended status. Which line maps the DMA?=20 ``` } else { urb->transfer_dma =3D dma_map_single( hcd->self.sysdev, urb->transfer_buffer, urb->transfer_buffer_length, dir); ``` This one? --=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.=