From mboxrd@z Thu Jan 1 00:00:00 1970 From: walt Subject: Re: [PATCH 3.12 033/118] usb: xhci: Link TRB must not occur within a USB payload burst Date: Tue, 07 Jan 2014 11:15:40 -0800 Message-ID: <52CC525C.5060900@gmail.com> References: <20131218211219.461663463@linuxfoundation.org> <20131218211220.412278148@linuxfoundation.org> <52C32BB0.90600@gmail.com> <20140102191510.GA9621@xanatos> <52C6D9F1.9000709@gmail.com> <20140103195455.GA4193@xanatos> <52C729CE.9050307@gmail.com> <20140103232929.GD4193@xanatos> <20140107003157.GA7963@xanatos> <52CC014C.5060604@gmail.com> <063D6719AE5E284EB5DD2968C1650D6D453E1A@AcuExch.aculab.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pa0-f47.google.com ([209.85.220.47]:54469 "EHLO mail-pa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750895AbaAGTPm (ORCPT ); Tue, 7 Jan 2014 14:15:42 -0500 In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D453E1A@AcuExch.aculab.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: David Laight , Sarah Sharp Cc: Alan Stern , Greg Kroah-Hartman , Linux Kernel , "stable@vger.kernel.org" , "linux-usb@vger.kernel.org" , "linux-scsi@vger.kernel.org" On 01/07/2014 05:58 AM, David Laight wrote: > The dmesg contains: > > [ 538.728064] EXT4-fs warning (device dm-0): ext4_end_bio:316: I/O error writing to inode 23330865 (offset 0 size 8388608 starting block 812628) > > An 8MB transfer will need at least 128 ring entries (TRB) even if the request > is a single contiguous memory block. > > Are you using the patch that increases the ring size from 64 to 256? Yes, 256. I'll work on getting more debugging output.