From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99F21C43334 for ; Tue, 26 Jul 2022 03:07:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231582AbiGZDHk (ORCPT ); Mon, 25 Jul 2022 23:07:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55782 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230433AbiGZDHj (ORCPT ); Mon, 25 Jul 2022 23:07:39 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA5A129CBF for ; Mon, 25 Jul 2022 20:07:38 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 6B7CFB811BF for ; Tue, 26 Jul 2022 03:07:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 1D11EC341C6 for ; Tue, 26 Jul 2022 03:07:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658804856; bh=V3QWoUh2kH3nWILDMyWtkpshEwysEX1j8aaXshglVu0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=qtznXAeBkOKbzBAJfSTLlauf4tTxG/UGcbqFivcrMPbhMtZgIJ46eLG70iP0yZzOe TQd0XB/u9WjiqoRKsGarQMKMoI+WEb6vyV46Qs1pU7f3b9LXEEUMt5cTfuKPMcBY/Y Dcj3FUY+8rjYUykrndp8HcS07ShqyZfTJXVlRRLT7OaNlQ7RPJmqjX1uTcsyjk3gCU dP+69wGo1RIdjOb5H4LfJqz0sRZaC6ZLAR4AgYVUZMbF8Saq5hyIWcm3XAk6vBxI+n nqNqXWC2i8LEtDXq77YEToJmzAgDC5mirnCUpaPAWvj5yGlioIfNE1CCCyZdLfEiEH hgCmG/njIstZw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id F083EC05FD2; Tue, 26 Jul 2022 03:07:35 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 216282] usb-mass storage Date: Tue, 26 Jul 2022 03:07:35 +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: high X-Bugzilla-Who: audioprof2001@yahoo.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 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D216282 --- Comment #3 from audioprof2001@yahoo.com --- When you Turn-on the USB3.0 to SATA controller, electrons travel near the speed of light. Kernel interupts the CPU very fast, betwenn 1GHz and 2.8Ghz to detect & load drivers. BUT... the Mechanical HDD needs time to spin-up, when is turned-on, time to reach operating speed of 7200rpm, Large 3.5" HDD eat more than 3Amps at 12volts dc to spin-up. USB Mass Storage Needs a Delay, an interrupt wait to read from the controll= er, wait to initialize, until HDD had enough time to spin-up and read basic inf= o, like Name, File system, etc... Like the Turtle vs. Rabbit Tale. ------------- $ sudo dmesg | grep usb [93862.823187] usb 2-2: new SuperSpeed USB device number 4 using xhci_hcd [93862.844103] usb 2-2: New USB device found, idVendor=3D174c, idProduct=3D= 5106, bcdDevice=3D 1.00 [93862.844109] usb 2-2: New USB device strings: Mfr=3D2, Product=3D3, SerialNumber=3D1 [93862.844111] usb 2-2: Product: BlacX [93862.844113] usb 2-2: Manufacturer: Thermaltake [93862.844114] usb 2-2: SerialNumber: 000000000002 [93862.881811] usb-storage 2-2:1.0: USB Mass Storage device detected [93862.881944] scsi host2: usb-storage 2-2:1.0 [93862.882037] usbcore: registered new interface driver usb-storage [93862.885157] usbcore: registered new interface driver uas [93887.950491] usb 2-2: reset SuperSpeed USB device number 4 using xhci_hcd [94392.705178] usb 2-2: USB disconnect, device number 4 [94397.329093] usb 2-4: new SuperSpeed USB device number 5 using xhci_hcd [94397.350234] usb 2-4: New USB device found, idVendor=3D174c, idProduct=3D= 5106, bcdDevice=3D 1.00 [94397.350246] usb 2-4: New USB device strings: Mfr=3D2, Product=3D3, SerialNumber=3D1 [94397.350252] usb 2-4: Product: BlacX [94397.350255] usb 2-4: Manufacturer: Thermaltake [94397.350259] usb 2-4: SerialNumber: 000000000002 [94397.353440] usb-storage 2-4:1.0: USB Mass Storage device detected [94397.353565] scsi host2: usb-storage 2-4:1.0 [94405.460664] usb 2-2: new SuperSpeed USB device number 6 using xhci_hcd [94405.481472] usb 2-2: New USB device found, idVendor=3D174c, idProduct=3D= 5106, bcdDevice=3D 1.00 [94405.481478] usb 2-2: New USB device strings: Mfr=3D2, Product=3D3, SerialNumber=3D1 [94405.481481] usb 2-2: Product: BlacX [94405.481483] usb 2-2: Manufacturer: Thermaltake [94405.481484] usb 2-2: SerialNumber: 000000000001 [94405.483318] usb-storage 2-2:1.0: USB Mass Storage device detected [94405.483606] scsi host3: usb-storage 2-2:1.0 [94845.006638] usb 2-2: USB disconnect, device number 6 [94857.034440] usb 2-4: USB disconnect, device number 5 [96252.135710] usb 2-2: new SuperSpeed USB device number 7 using xhci_hcd [96252.156665] usb 2-2: New USB device found, idVendor=3D174c, idProduct=3D= 5106, bcdDevice=3D 1.00 [96252.156679] usb 2-2: New USB device strings: Mfr=3D2, Product=3D3, SerialNumber=3D1 [96252.156685] usb 2-2: Product: BlacX [96252.156689] usb 2-2: Manufacturer: Thermaltake [96252.156693] usb 2-2: SerialNumber: 000000000001 [96252.160248] usb-storage 2-2:1.0: USB Mass Storage device detected [96252.160387] scsi host2: usb-storage 2-2:1.0 [96618.800360] usb 2-2: USB disconnect, device number 7 [96643.705966] usb 2-3.1: new SuperSpeed USB device number 8 using xhci_hcd [96643.726865] usb 2-3.1: New USB device found, idVendor=3D174c, idProduct= =3D5106, bcdDevice=3D 1.00 [96643.726872] usb 2-3.1: New USB device strings: Mfr=3D2, Product=3D3, SerialNumber=3D1 [96643.726874] usb 2-3.1: Product: BlacX [96643.726876] usb 2-3.1: Manufacturer: Thermaltake [96643.726877] usb 2-3.1: SerialNumber: 000000000001 [96643.731430] usb-storage 2-3.1:1.0: USB Mass Storage device detected [96643.731717] scsi host2: usb-storage 2-3.1:1.0 [97775.098841] usb 2-3.1: USB disconnect, device number 8 [97789.264277] usb 1-1.4: USB disconnect, device number 14 [109374.033610] usb 2-4: new SuperSpeed USB device number 9 using xhci_hcd [109374.054547] usb 2-4: New USB device found, idVendor=3D174c, idProduct= =3D5106, bcdDevice=3D 1.00 [109374.054561] usb 2-4: New USB device strings: Mfr=3D2, Product=3D3, SerialNumber=3D1 [109374.054567] usb 2-4: Product: BlacX [109374.054571] usb 2-4: Manufacturer: Thermaltake [109374.054575] usb 2-4: SerialNumber: 000000000002 [109374.056168] usb-storage 2-4:1.0: USB Mass Storage device detected [109374.056547] scsi host2: usb-storage 2-4:1.0 [109399.212614] usb 2-4: reset SuperSpeed USB device number 9 using xhci_hcd [109516.959732] usb 2-4: USB disconnect, device number 9 [109519.055610] usb 2-4: new SuperSpeed USB device number 10 using xhci_hcd [109519.076525] usb 2-4: New USB device found, idVendor=3D174c, idProduct= =3D5106, bcdDevice=3D 1.00 [109519.076540] usb 2-4: New USB device strings: Mfr=3D2, Product=3D3, SerialNumber=3D1 [109519.076545] usb 2-4: Product: BlacX [109519.076550] usb 2-4: Manufacturer: Thermaltake [109519.076554] usb 2-4: SerialNumber: 000000000002 [109519.078216] usb-storage 2-4:1.0: USB Mass Storage device detected [109519.078505] scsi host2: usb-storage 2-4:1.0 --=20 You may reply to this email to add a comment. 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