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 EC2F738F82 for ; Mon, 23 Dec 2024 18:29:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734978557; cv=none; b=f6NUBaLW2QAY0fy8zA+2LXIS70KPtAVLNt4VOczscyowQ7KPXt5f4N/NWJidrpyBBuPyekDRTwz2MOlkQbVGt3JO4QW63zrYEgDlBJ5lRpzrZRsQ/oqb8r0+kfDrFEY2TOPW1n4bGFVArEsTROs2MP6bzfvDXY0iVjT8c1hGoq8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734978557; c=relaxed/simple; bh=psy7gy52t0orBAtAUVnh5MIFq4/pUGL0ujGa13mdgGc=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=BX1XlhTejGNBRQsryYZaBBDnwdq/mLFkrnD44fQb4/sT2fwg59ows2/ZyrWlvLIr3JtcXfL9BHdCTkc4LVYe1NQ6bCOOmCgP04YecpfZrqFXEJO5MdSW1W3uxmZYOh/LRC0duc7l4/fP5vBHGLXGgIncpSVVMBif+9GFCG9l1Rw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Vy4DF0Hd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Vy4DF0Hd" Received: by smtp.kernel.org (Postfix) with ESMTPS id BA893C4CEDF for ; Mon, 23 Dec 2024 18:29:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734978556; bh=psy7gy52t0orBAtAUVnh5MIFq4/pUGL0ujGa13mdgGc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Vy4DF0HdnNEdxflodpa/hfrlSYxPw0/hBfPcDGXivPjrUkCtqYUYRfo6ZbepR1a4Y aJhdmmVcBnFRomAal9d7gBwoycdXmOePbVXdwMtIxZCVeHwjd1xC5mdzK13qiDouZu lQvvmHj1YbM3k83yMv/hWOfNHoWTF0hDHWNXWUthDEknlmht0/0nnDD4banMgW+Yx4 1M/g/hK5cTMKR1RRLsCa0/5QU4SA5npPAEVaHoNkx9pe7Xg4oz6x2dTOFvx0GcEKgY 7sMKen0eg1DRIvSx37F5VZyjsF5QjT1yr10gKxKnI8vWJp49ZIiCLMb+boLD76xwJk u+3XFj95WTbog== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id B29DFC3279E; Mon, 23 Dec 2024 18:29:16 +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: Mon, 23 Dec 2024 18:29:16 +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: lists.rolf@reintjes.nrw 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 #27 from Rolf Reintjes (lists.rolf@reintjes.nrw) --- (In reply to Micha=C5=82 Pecio from comment #26) > Honestly, I don't know what's the problem. Maybe as a last ditch effort t= ry > dynamic debug, if your kernel supports it: >=20 > echo 'func xhci_dbg_trace +p' >/proc/dynamic_debug/control > rmmod xhci-pci > modprobe xhci-pci > echo 'func xhci_dbg_trace -p' >/proc/dynamic_debug/control > dmesg |grep 'page size' > [ 262.117753] xhci_hcd 0000:08:00.0: Supported page size register =3D 0x1 > [ 262.117755] xhci_hcd 0000:08:00.0: Supported page size of 8K > [ 262.117756] xhci_hcd 0000:08:00.0: HCD page size set to 4K >=20 > BTW, don't worry about that 8K, this value is incorrectly calculated and > then completely ignored. rolf@i7-5820K-debian-testing1:~$ sudo dmesg |grep 'page size' [ 0.189774] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 0.189774] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 225.577885] xhci_hcd 0000:00:14.0: Supported page size register =3D 0x1 [ 225.577887] xhci_hcd 0000:00:14.0: Supported page size of 8K [ 225.577888] xhci_hcd 0000:00:14.0: HCD page size set to 4K [ 225.584545] xhci_hcd 0000:05:00.0: Supported page size register =3D 0x1 [ 225.584547] xhci_hcd 0000:05:00.0: Supported page size of 8K [ 225.584548] xhci_hcd 0000:05:00.0: HCD page size set to 4K [ 225.648450] xhci_hcd 0000:06:00.0: Supported page size register =3D 0x1 [ 225.648452] xhci_hcd 0000:06:00.0: Supported page size of 8K [ 225.648453] xhci_hcd 0000:06:00.0: HCD page size set to 4K --=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.=