kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Ville Ranki, thank you for your comment. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu kernel (not a mainline one) via:
ubuntu-bug linux

For more on this, please read the official Ubuntu documentation:
Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
https://wiki.ubuntu.com/Kernel/Policies/DuplicateBugs
Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette

When opening up the new report, please feel free to subscribe me to it.

As well, please do not announce in this report you created a new bug
report.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

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** Tags removed: apport-collected trusty
** Tags added: needs-upstream-testing

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/898347

Title:
  syslog flooded with "hci_scodata_packet: hci0 SCO packet for unknown
  connection handle"

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I am experiencing unstable bluetooth connections between a USB
  bluetooth dongle and headset.  I get a ton of lines like

  Dec  1 04:09:51 localhost kernel: [  264.372205] hci_scodata_packet:
  hci0 SCO packet for unknown connection handle 65261

  in syslog.  The bluetooth connection also usually breaks down about 10
  seconds into a Skype call.  I cannot know if the two phenomena are
  actually related.

  Dec  1 04:09:52 localhost kernel: [  264.392198] hci_scodata_packet: hci0 SCO packet for unknown connection handle 65072
  Dec  1 04:09:52 localhost kernel: [  264.402199] hci_scodata_packet: hci0 SCO packet for unknown connection handle 65493
  Dec  1 04:10:26 localhost bluetoothd[1756]: Audio connection got disconnected
  Dec  1 04:10:26 localhost pulseaudio[1936]: ratelimit.c: 4802 events suppressed
  Dec  1 04:10:35 localhost pulseaudio[1936]: ratelimit.c: 428 events suppressed

  I believe this is a Ubuntu-induced regression, I was unable to
  reproduce the problem with a mainline kernel today.

  confirmed affected: vmlinuz-2.6.32-35-generic (latest lucid kernel)
  confirmed affected: vmlinuz-3.0.0-13-generic
  apparently unaffected: vmlinuz-3.2.0-999-generic from today (or rather Nov 30th)

  FWIW, the mainline kernel seems to have a stable bluetooth connection
  but syslog gets flooded there as well.

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