From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ns.uli-eckhardt.de ([85.214.28.137]:58788 "EHLO mail.uli-eckhardt.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965412Ab2JZQlp (ORCPT ); Fri, 26 Oct 2012 12:41:45 -0400 Message-ID: <508ABD43.8080708@uli-eckhardt.de> Date: Fri, 26 Oct 2012 18:41:39 +0200 From: Ulrich Eckhardt MIME-Version: 1.0 To: "Rafael J. Wysocki" , "linux-usb@vger.kernel.org" CC: Bjorn Helgaas , Sarah Sharp , linux-pci@vger.kernel.org, Alan Stern Subject: Re: Unreliable USB3 with NEC uPD720200 and Delock Cardreader References: <50841CCC.9030809@uli-eckhardt.de> <508973CE.8080603@uli-eckhardt.de> <42232189.sLGmN8Uve8@vostro.rjw.lan> In-Reply-To: <42232189.sLGmN8Uve8@vostro.rjw.lan> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-pci-owner@vger.kernel.org List-ID: Am 25.10.2012 22:11, schrieb Rafael J. Wysocki: > On Thursday, October 25, 2012 07:15:58 PM Ulrich Eckhardt wrote: >> I have done first a cat to the control file which returns already on: >> >> uli:/ # cat /sys/devices/pci0000\:00/0000\:00\:04.0/power/control >> on >> >> Writing again on to the file does not change anything. > > Yes, and this means that runtime PM is disabled on the controller. > > ASPM remains as a possible culprit, then. > > Can you please boot with pcie_aspm=off in the kernel command line and see > if this makes a difference? It make no difference: ... [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: root=/dev/disk/by-id/ata-Corsair_Force_3_SSD_123079600000149504CF-part1 resume=/dev/disk/by-id/ata-WDC_WD20EARX-00PASB0_WD-WCAZA7766668-part2 splash=silent quiet vga=0x31a pcie_aspm=off [ 0.000000] bootsplash: silent mode. [ 0.000000] PCIe ASPM is disabled ... [ 124.949190] sdf: detected capacity change from 2032664576 to 0 [ 132.387722] sd 10:0:0:2: [sdf] 3970048 512-byte logical blocks: (2.03 GB/1.89 GiB) [ 132.388881] sd 10:0:0:2: [sdf] No Caching mode page present [ 132.388891] sd 10:0:0:2: [sdf] Assuming drive cache: write through [ 132.390876] sd 10:0:0:2: [sdf] No Caching mode page present [ 132.390885] sd 10:0:0:2: [sdf] Assuming drive cache: write through [ 132.393259] sdf: sdf1 [ 137.286335] sdf: detected capacity change from 2032664576 to 0 [ 144.304194] sd 10:0:0:2: [sdf] 3970048 512-byte logical blocks: (2.03 GB/1.89 GiB) [ 144.305345] sd 10:0:0:2: [sdf] No Caching mode page present [ 144.305356] sd 10:0:0:2: [sdf] Assuming drive cache: write through [ 144.307389] sd 10:0:0:2: [sdf] No Caching mode page present [ 144.307399] sd 10:0:0:2: [sdf] Assuming drive cache: write through [ 144.309682] sdf: sdf1 [ 217.179499] hub 9-0:1.0: cannot reset port 2 (err = -19) [ 217.440798] hub 9-0:1.0: hub_port_status failed (err = -19) [ 217.440865] sd 10:0:0:2: Device offlined - not ready after error recovery [ 217.440873] sd 10:0:0:2: [sdf] Unhandled error code [ 217.440875] sd 10:0:0:2: [sdf] [ 217.440876] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK [ 217.440878] sd 10:0:0:2: [sdf] CDB: [ 217.440879] Read(10): 28 00 00 00 0f 00 00 00 f0 00 [ 217.440884] end_request: I/O error, dev sdf, sector 3840 [ 217.440909] sd 10:0:0:2: rejecting I/O to offline device [ 217.440911] sd 10:0:0:2: killing request [ 217.440945] sd 10:0:0:2: rejecting I/O to offline device [ 217.440958] sd 10:0:0:2: [sdf] killing request [ 217.440968] sd 10:0:0:2: rejecting I/O to offline device [ 217.440977] sd 10:0:0:2: rejecting I/O to offline device [ 217.440979] sd 10:0:0:2: rejecting I/O to offline device [ 217.441003] sd 10:0:0:2: [sdf] Unhandled error code [ 217.441008] sd 10:0:0:2: [sdf] [ 217.441012] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 217.441017] sd 10:0:0:2: [sdf] CDB: [ 217.441020] Read(10): 28 00 00 00 0f f0 00 00 10 00 [ 217.441036] end_request: I/O error, dev sdf, sector 4080 [ 217.442200] sd 10:0:0:2: rejecting I/O to offline device [ 217.442252] sd 10:0:0:2: rejecting I/O to offline device -- Ulrich Eckhardt http://www.uli-eckhardt.de Ein Blitzableiter auf dem Kirchturm ist das denkbar stärkste Misstrauensvotum gegen den lieben Gott. (Karl Krauss)