Jon-o Addleman, the issue you are reporting is an upstream one. Could
you please report this problem following the instructions verbatim at
https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate venue
(linux-usb CC Alan Stern)?
Please provide a direct URL to your newly made report when it becomes
available so that it may be tracked.
Thank you for your understanding.
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/1177394
Title:
USB sequence errors in snd_usb_usx2y
Status in linux package in Ubuntu:
Triaged
Bug description:
Using kernel 3.8.0.19.35, when I plug in my Tascam us-122 usb audio
device, the log fills up with many of the following messages as soon
as the firmware is loaded:
May 5 18:40:31 scaph kernel: [64138.774214] Sequence Error!(hcd_frame=391894
ep=10out;wait=391892,frame=391890).
May 5 18:40:31 scaph kernel: [64138.774214] Most probably some urb of
usb-frame 391892 is still missing.
May 5 18:40:31 scaph kernel: [64138.774214] Cause could be too long delays
in usb-hcd interrupt handling.
The device seems to initialize properly, but any attempt to actually
use it (starting jackd for example) results in a few more of those
messages in the log, and the program fails to connect to the device.
This is very similar to a bug that cropped up several years ago -
here's a thread I made on the alsa-user list back in 2006 (!) about
that one: http://www.mail-archive.com/alsa-
u...@lists.sourceforge.net/msg18003.html That bug was fixed in 2.6.18
so I don't know if it might be actually related or not.
In any case, I've temporarily solved the issue by downgrading to
quantal's kernel, 3.5.0-28, which doesn't have the bug.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-generic 3.8.0.19.35
ProcVersionSignature: Ubuntu 3.5.0-28.48-generic 3.5.7.9
Uname: Linux 3.5.0-28-generic i686
ApportVersion: 2.9.2-0ubuntu8
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jono 1741 F.... pulseaudio
Date: Tue May 7 09:31:02 2013
HibernationDevice: RESUME=UUID=21e8f32e-d542-4900-ac9c-2ade76ed3084
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: LENOVO 170237U
MarkForUpload: True
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-28-generic
root=UUID=860958bf-acf0-48eb-abb6-acd3022e5a9c ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.5.0-28-generic N/A
linux-backports-modules-3.5.0-28-generic N/A
linux-firmware 1.106
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to raring on 2013-04-13 (23 days ago)
WifiSyslog:
WpaSupplicantLog:
dmi.bios.date: 03/31/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 7BETD8WW (2.19 )
dmi.board.name: 170237U
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7BETD8WW(2.19):bd03/31/2011:svnLENOVO:pn170237U:pvrThinkPadX60s:rvnLENOVO:rn170237U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 170237U
dmi.product.version: ThinkPad X60s
dmi.sys.vendor: LENOVO
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