linux-kernel - RE: [PATCH 3.12 033/118] usb: xhci: Link TRB must not occur within a USB payload burst

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Message-ID: <063D6719AE5E284EB5DD2968C1650D6D453E1A@AcuExch.aculab.com>
Date:	Tue, 7 Jan 2014 13:58:32 +0000
From:	David Laight <David.Laight@...LAB.COM>
To:	'walt' <w41ter@...il.com>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
CC:	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
Subject: RE: [PATCH 3.12 033/118] usb: xhci: Link TRB must not occur within
 a USB payload burst

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?

	David