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 4390E5EE76 for ; Tue, 13 Feb 2024 15:54:38 +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=1707839679; cv=none; b=ucUU2+WWAD/Sf3nKeAlHgQQzw6HW1iRFR7kmq6eiK5BoYSdl+Fld1VaBm9UxUgUvG6cqubXerFh8nyukUgO1H7mIeFIpJnEAHN3+1i6R5gJZUoapwrZGMk86nhzDsitCDLzSQyIrwYLDdUZm2CR28HtbwdWWEeoT4Idf8IiY1Qw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707839679; c=relaxed/simple; bh=2fXKxpDg6vRbjEFf1oUx9Dj91fMWHcCU53dQaWQ/hBU=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=rg4Zil70E4P5AwJao1YMdKQrSvCQX965bZe1Aopuac6XbYIZnxgfdAzc3LWDziJOh9oNlpqTqFiIK0YXR3/4zvDJjFX4v7JMXnExavCEb8ong3QgpDseZ57zhqcLWaYMP4rdSsp6nZK1dsrwccpVk38Ly3IuZ1iUX81qTpPzbns= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=d0L/7yqC; 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="d0L/7yqC" Received: by smtp.kernel.org (Postfix) with ESMTPS id BFCBFC433C7 for ; Tue, 13 Feb 2024 15:54:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707839678; bh=2fXKxpDg6vRbjEFf1oUx9Dj91fMWHcCU53dQaWQ/hBU=; h=From:To:Subject:Date:From; b=d0L/7yqCB58sM30xxvDng5mL54yNC5iukN3D+H7Oum6LxbRnHaobIrgweqXQAOkWj eLFAN4CLO/4d7ht40P87sBElnf1yJmo8xx/Z6sgO1NghkYSGY6obTSnVI/ReWB3pI2 ZR2GmGba5CQrEg5r0bZiBEwhXZDX5U9UEIJPyZbQ2xV2ApU8Ceil2uLjpZn+nLk4Y2 gokGYYkz3TwjZKOIWdsDEUpbRSZaaViztpfLRG/i2IlhJDFQ4QXIxI1yvS//2JHib1 k1OCKEMjW7CgjQGOwBAimW/ekVEva2UoBPheRcXS7Abf+PsSVIYbu6QlAaA38yjyzu ivawfgoc7iiYg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id A8823C53BD0; Tue, 13 Feb 2024 15:54:38 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 218490] New: Linux warning `usb: port power management may be unreliable` on Dell PowerEdge T440 Date: Tue, 13 Feb 2024 15:54:38 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new 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: pmenzel+bugzilla.kernel.org@molgen.mpg.de X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: 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=3D218490 Bug ID: 218490 Summary: Linux warning `usb: port power management may be unreliable` on Dell PowerEdge T440 Product: Drivers Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: USB Assignee: drivers_usb@kernel-bugs.kernel.org Reporter: pmenzel+bugzilla.kernel.org@molgen.mpg.de Regression: No Created attachment 305865 --> https://bugzilla.kernel.org/attachment.cgi?id=3D305865&action=3Dedit Linux 5.15.112 messages (output of `dmesg`) with system firmware 2.12.1 On the Dell PowerEdge T440 with at least system firmware version , Linux wa= rns: $ dmesg | grep "may be unreliable" [ 12.130289] usb: port power management may be unreliable $ dmesg | grep -e "DMI:" -e "Linux version" -e microcode [ 0.000000] Linux version 5.15.112.mx64.449 (root@theinternet.molgen.mpg.de) (gcc (GCC) 10.4.0, GNU ld (GNU Binutils) 2= .40) #1 SMP Tue May 23 12:51:43 CEST 2023 [ 0.000000] DMI: Dell Inc. PowerEdge T440/021KCD, BIOS 2.12.2 07/09/= 2021 [ 2.185611] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted= , no microcode [ 12.269955] microcode: sig=3D0x50657, pf=3D0x80, revision=3D0x5003103 [ 12.276243] microcode: Microcode Update Driver: v2.2. $ usb-devices T: Bus=3D01 Lev=3D00 Prnt=3D00 Port=3D00 Cnt=3D00 Dev#=3D 1 Spd=3D480= MxCh=3D16 D: Ver=3D 2.00 Cls=3D09(hub ) Sub=3D00 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D1d6b ProdID=3D0002 Rev=3D05.15 S: Manufacturer=3DLinux 5.15.112.mx64.449 xhci-hcd S: Product=3DxHCI Host Controller S: SerialNumber=3D0000:00:14.0 C: #Ifs=3D 1 Cfg#=3D 1 Atr=3De0 MxPwr=3D0mA I: If#=3D0x0 Alt=3D 0 #EPs=3D 1 Cls=3D09(hub ) Sub=3D00 Prot=3D00 Dri= ver=3Dhub T: Bus=3D01 Lev=3D01 Prnt=3D01 Port=3D13 Cnt=3D01 Dev#=3D 2 Spd=3D480= MxCh=3D 4 D: Ver=3D 2.00 Cls=3D09(hub ) Sub=3D00 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D1604 ProdID=3D10c0 Rev=3D00.00 C: #Ifs=3D 1 Cfg#=3D 1 Atr=3Dc0 MxPwr=3D100mA I: If#=3D0x0 Alt=3D 0 #EPs=3D 1 Cls=3D09(hub ) Sub=3D00 Prot=3D00 Dri= ver=3Dhub T: Bus=3D01 Lev=3D02 Prnt=3D02 Port=3D00 Cnt=3D01 Dev#=3D 3 Spd=3D480= MxCh=3D 4 D: Ver=3D 2.00 Cls=3D09(hub ) Sub=3D00 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D1604 ProdID=3D10c0 Rev=3D00.00 C: #Ifs=3D 1 Cfg#=3D 1 Atr=3Dc0 MxPwr=3D100mA I: If#=3D0x0 Alt=3D 0 #EPs=3D 1 Cls=3D09(hub ) Sub=3D00 Prot=3D00 Dri= ver=3Dhub T: Bus=3D01 Lev=3D02 Prnt=3D02 Port=3D03 Cnt=3D02 Dev#=3D 4 Spd=3D480= MxCh=3D 4 D: Ver=3D 2.00 Cls=3D09(hub ) Sub=3D00 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D1604 ProdID=3D10c0 Rev=3D00.00 C: #Ifs=3D 1 Cfg#=3D 1 Atr=3Dc0 MxPwr=3D100mA I: If#=3D0x0 Alt=3D 0 #EPs=3D 1 Cls=3D09(hub ) Sub=3D00 Prot=3D00 Dri= ver=3Dhub T: Bus=3D02 Lev=3D00 Prnt=3D00 Port=3D00 Cnt=3D00 Dev#=3D 1 Spd=3D500= 0 MxCh=3D10 D: Ver=3D 3.00 Cls=3D09(hub ) Sub=3D00 Prot=3D03 MxPS=3D 9 #Cfgs=3D 1 P: Vendor=3D1d6b ProdID=3D0003 Rev=3D05.15 S: Manufacturer=3DLinux 5.15.112.mx64.449 xhci-hcd S: Product=3DxHCI Host Controller S: SerialNumber=3D0000:00:14.0 C: #Ifs=3D 1 Cfg#=3D 1 Atr=3De0 MxPwr=3D0mA I: If#=3D0x0 Alt=3D 0 #EPs=3D 1 Cls=3D09(hub ) Sub=3D00 Prot=3D00 Dri= ver=3Dhub --=20 You may reply to this email to add a comment. 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