linux-kernel - [V4.0.0-rc3] Xhci Regression: ERROR Transfer event TRB DMA ptr not part of current TD

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Date:	Tue, 10 Mar 2015 10:40:23 +0100
From:	Jörg Otte <jrg.otte@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	USB list <linux-usb@...r.kernel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>
Subject: [V4.0.0-rc3] Xhci Regression: ERROR Transfer event TRB DMA ptr not
 part of current TD

If I plug in my USB DVB-T stick I get the following in dmesg:

dvb-usb: found a 'TerraTec/qanu USB2.0 Highspeed DVB-T Receiver' in warm state.
dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
DVB: registering new adapter (TerraTec/qanu USB2.0 Highspeed DVB-T Receiver)
usb 1-1: DVB: registering adapter 0 frontend 0 (TerraTec/qanu USB2.0
Highspeed DVB-T Receiver)...
input: IR-receiver inside an USB DVB receiver as
/devices/pci0000:00/0000:00:14.0/usb1/1-1/input/input17
dvb-usb: schedule remote query interval to 50 msecs.
xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of
current TD ep_index 1 comp_code 1
xhci_hcd 0000:00:14.0: Looking for event-dma 0000000207540400
trb-start 0000000207540420 trb-end 0000000207540420 seg-start
00000002075404
xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of
current TD ep_index 1 comp_code 1
xhci_hcd 0000:00:14.0: Looking for event-dma 0000000207540410
trb-start 0000000207540420 trb-end 0000000207540420 seg-start
00000002075404
dvb-usb: bulk message failed: -110 (2/0)

and DVB-T is not functional. The problem came in with:

1163d50 Merge tag 'usb-4.0-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

I never had this xhci_hcd error before so this is a regression.

Thanks, Jörg
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