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Thread
Date
[Bug 1479060] Status changed to Confirmed

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Brad Figg <brad.figg@xxxxxxxxxxxxx>
Date: Tue, 28 Jul 2015 18:00:12 -0000
Reply-to: Bug 1479060 <1479060@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This change was made by a bot.

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1479060

Title:
  xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs
  queued?

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have an Acer Aspire M5 481T and when I ask Ubuntu 15.04 to shutdown
  it seems ok and goes off with 100% of battery, when I turn it on again
  it has only 5% or worse, 0% of battery, so it is not shutting down
  correctly. What could be happening? Could be related to the warning
  above?

  I' m receiving a lot of these messages in dmesg:

  [  277.155961] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.158251] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.161204] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.164408] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.168003] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.171635] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.175284] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.178926] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.182536] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.186157] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.189783] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.193423] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.197128] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.200816] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.204504] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.208197] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.211853] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.214869] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.217118] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.220091] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.222365] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.225311] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.227537] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.230484] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.232711] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.235661] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.237934] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.240880] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.243118] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.246126] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.248357] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.251381] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.253657] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.256617] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.258852] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.261765] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.263976] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.266898] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.271501] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.274445] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.276672] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.279668] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.281972] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.284987] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.287219] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.290213] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.292442] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.295379] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.297665] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.300615] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.303263] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.306199] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.308438] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.311382] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.313611] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.316534] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.318774] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.321730] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.323981] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.326903] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.329178] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.332120] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.334324] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.337245] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.339465] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.342367] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.344546] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.347441] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.349618] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.352526] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.354743] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.357679] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.359895] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.362810] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.364989] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.367903] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.370114] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.373056] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.375262] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.378149] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.380359] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.383272] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.385498] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.388421] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.390631] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.393527] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.395704] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.398642] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.400846] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.403800] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.406002] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.408898] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.411102] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.414046] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.416227] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.419146] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.421374] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.424293] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.426498] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.429436] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.431646] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.434590] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.436819] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.439763] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.441991] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.444912] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.447141] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.450085] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.452314] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.455260] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.457488] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.460433] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.462635] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.465556] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.467784] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.470728] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.472932] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.475852] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.478081] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.481074] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.483304] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.486224] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.488426] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.491347] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.493576] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.496495] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.498698] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.501657] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.503923] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.506842] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.509070] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.512013] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.514218] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.517158] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.519367] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.522312] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.524516] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.527436] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.529637] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.532552] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.534763] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.537707] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.539909] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.542855] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.545109] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.548054] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.550280] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.553196] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.555406] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.558325] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.560528] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.563475] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.565706] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.568678] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.570929] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.573896] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.576123] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.579068] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.581272] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.584194] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.586420] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.589334] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.591542] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.594463] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.596667] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.599587] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.601815] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.604786] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.606989] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.609908] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.612137] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.615057] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.617285] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.620205] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.622409] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.625329] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.627557] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.630477] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.632679] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.635600] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.637804] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.640724] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.642926] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.645848] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.648100] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.651026] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.653328] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.656317] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.658722] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.661661] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.663871] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.666790] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.669068] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.672022] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.674268] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.677187] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.679415] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.682359] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.684563] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.687479] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.689736] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.692657] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.694859] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.697799] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.700009] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.702952] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.705156] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.708078] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.711344] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.714418] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.717498] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
  [  277.720571] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-25-generic 3.19.0-25.26
  ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
  Uname: Linux 3.19.0-25-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  wsjunior   2067 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jul 28 14:39:20 2015
  HibernationDevice: RESUME=UUID=01156367-a677-486c-bf79-7d29dd6ca8a7
  JournalErrors: Error: command ['journalctl', '-b', '--priority', 'warning'] failed with exit code 1: No journal files were found.
  MachineType: Acer Aspire M5-481T
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-25-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_osi=Linux acpi_backlight=vendor i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 noapic irqpoll
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-25-generic N/A
   linux-backports-modules-3.19.0-25-generic  N/A
   linux-firmware                             1.143.2
  SourcePackage: linux
  UdevLog: Error: [Errno 2] Arquivo ou diretório não encontrado: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog:

  dmi.bios.date: 04/15/2013
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V2.22
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: MA40_HX
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - A01 Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.22:bd04/15/2013:svnAcer:pnAspireM5-481T:pvrV2.22:rvnAcer:rnMA40_HX:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Aspire M5-481T
  dmi.product.version: V2.22
  dmi.sys.vendor: Acer

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References

[Bug 1479060] [NEW] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 2 with no TDs queued?
From: Waldemar Silva Júnior, 2015-07-28