From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 76241] New: USB Device Not Recognised Date: Thu, 15 May 2014 02:46:47 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail.kernel.org ([198.145.19.201]:50727 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752557AbaEOCqv convert rfc822-to-8bit (ORCPT ); Wed, 14 May 2014 22:46:51 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AA28C201F5 for ; Thu, 15 May 2014 02:46:50 +0000 (UTC) Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51]) by mail.kernel.org (Postfix) with ESMTP id 01EDA2035D for ; Thu, 15 May 2014 02:46:49 +0000 (UTC) Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D76241 Bug ID: 76241 Summary: USB Device Not Recognised Product: IO/Storage Version: 2.5 Kernel Version: linux-2.6.37 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: SCSI Assignee: linux-scsi@vger.kernel.org Reporter: zhouqikevin61@gmail.com Regression: No Created attachment 136131 --> https://bugzilla.kernel.org/attachment.cgi?id=3D136131&action=3De= dit Errorhappen USB Device connected by USB Hub cannot be Recognised it seems like the Inquiry command failed and the USB device reset a lot Something wrong with the DMA transmit=EF=BC=9F need help ~~~ Notice=EF=BC=9AThe odds of this happening are quite low=EF=BC=8CMost of= the time the usb device work well=E3=80=82=20 [ 31.642735] scsi_probe_and_add_lun: scsi_alloc_sdev end=20 [ 31.659215] scsi_execute: req->cmd=3D18, 0, 0, 0, 36, 0 [ 31.674883] blk_execute_rq:wait_for_completion start [ 52.771720] cppi41_channel_abort: DMA busy,status=3D2 [ 52.786768] cppi41_get_teardown_info: dma_num =3D=3D cppi41_num_dma_= block [ 52.806614] usb_check_teardown:not a teardown descriptor [ 52.822985] usb_tx_ch_teardown 1047: Invalid PD(9f069000)popped from= TearDn completionqueue [ 52.848875] usb_stor_invoke_transport: command was aborted [ 52.981830] usb 1-1: reset high speed USB device using musb-hdrc and= address 2 [ 53.142833] scsi command aborted result=3D0x50000 [ 63.152043] cppi41_channel_abort: DMA busy,status=3D2 [ 63.167097] cppi41_get_teardown_info: dma_num =3D=3D cppi41_num_dma_= block [ 63.186946] usb_check_teardown:not a teardown descriptor [ 63.203315] usb_tx_ch_teardown 1047: Invalid PD(9f069000)popped from= TearDn completionqueue [ 63.229272] usb_stor_invoke_transport: command was aborted [ 63.361852] usb 1-1: reset high speed USB device using musb-hdrc and= address 2 [ 63.522612] scsi command aborted result=3D0x50000 [ 79.531713] cppi41_channel_abort: DMA busy,status=3D2 [ 79.546765] cppi41_get_teardown_info: dma_num =3D=3D cppi41_num_dma_= block [ 79.566620] usb_check_teardown:not a teardown descriptor [ 79.582988] usb_tx_ch_teardown 1047: Invalid PD(9f069040)popped from= TearDn completionqueue [ 79.608877] usb_stor_invoke_transport: command was aborted [ 79.741853] usb 1-1: reset high speed USB device using musb-hdrc and= address 2 [ 79.902536] scsi command aborted result=3D0x50000 [ 80.031854] usb 1-1: reset high speed USB device using musb-hdrc and= address 2 [ 90.191974] cppi41_channel_abort: DMA busy,status=3D2 [ 90.207022] cppi41_get_teardown_info: dma_num =3D=3D cppi41_num_dma_= block [ 90.226871] usb_check_teardown:not a teardown descriptor [ 90.243243] usb_tx_ch_teardown 1047: Invalid PD(9f069040)popped from= TearDn completionqueue [ 90.269170] usb_stor_invoke_transport: command was aborted [ 90.401706] usb 1-1: reset high speed USB device using musb-hdrc and= address 2 [ 90.562603] scsi command aborted result=3D0x50000 [ 90.578826] scsi 0:0:0:0: Device offlined - not ready after error re= covery [ 90.600292] blk_execute_rq:wait_for_completion end [ 90.615120] scsi_probe_lun: scsi_execute_req failed with code 0x5000= 0 [ 90.634999] scsi_probe_lun return -EIO=20 [ 90.646823] scsi_probe_and_add_lun: scsi_probe_lun failed --=20 You are receiving this mail because: You are the assignee for the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html