kernel-packages team mailing list archive

[Konrad Zapałowicz <konrad.zapalowicz@xxxxxxxxxxxxx>]

This is reported against an old version of Ubuntu and many things has
changed since then. Because of that we won't fix this issue however if
this behavior repeats on a modern version please fill a bug report
against it and we will take it from there.

** Changed in: bluez (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1103069

Title:
  usb_bluetooth script hangs

Status in bluez package in Ubuntu:
  Invalid

Bug description:
  Sometimes after a sleep and resume cycle my bluetooth dongle stops
  working. Subsequent attempts to reboot/shutdown/send the computer to
  sleep fail. I get the following in syslog when this occurs:

  Jan 22 09:57:08 cybercore kernel: [143400.624087] INFO: task usb_bluetooth:16430 blocked for more than 120 seconds.
  Jan 22 09:57:08 cybercore kernel: [143400.624091] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  Jan 22 09:57:08 cybercore kernel: [143400.624093] usb_bluetooth   D ffffffff8180cd00     0 16430  16318 0x00000000
  Jan 22 09:57:08 cybercore kernel: [143400.624098]  ffff8801e8447d98 0000000000000082 ffff8801e8447d38 ffffffff81084eda
  Jan 22 09:57:08 cybercore kernel: [143400.624102]  ffff8801e8447fd8 ffff8801e8447fd8 ffff8801e8447fd8 0000000000013dc0
  Jan 22 09:57:08 cybercore kernel: [143400.624105]  ffff88022610db40 ffff8801168f96d0 ffff8801e8447d78 ffff8802210568e8
  Jan 22 09:57:08 cybercore kernel: [143400.624108] Call Trace:
  Jan 22 09:57:08 cybercore kernel: [143400.624116]  [<ffffffff81084eda>] ? lg_local_unlock+0x1a/0x20
  Jan 22 09:57:08 cybercore kernel: [143400.624120]  [<ffffffff8169e459>] schedule+0x29/0x70
  Jan 22 09:57:08 cybercore kernel: [143400.624123]  [<ffffffff8169e71e>] schedule_preempt_disabled+0xe/0x10
  Jan 22 09:57:08 cybercore kernel: [143400.624126]  [<ffffffff8169d347>] __mutex_lock_slowpath+0xd7/0x150
  Jan 22 09:57:08 cybercore kernel: [143400.624128]  [<ffffffff8169cf5a>] mutex_lock+0x2a/0x50
  Jan 22 09:57:08 cybercore kernel: [143400.624132]  [<ffffffff8142bbd8>] control_store+0x58/0xe0
  Jan 22 09:57:08 cybercore kernel: [143400.624136]  [<ffffffff81422348>] dev_attr_store+0x18/0x30
  Jan 22 09:57:08 cybercore kernel: [143400.624139]  [<ffffffff811f62ff>] sysfs_write_file+0xef/0x170
  Jan 22 09:57:08 cybercore kernel: [143400.624143]  [<ffffffff81185eb3>] vfs_write+0xb3/0x180
  Jan 22 09:57:08 cybercore kernel: [143400.624145]  [<ffffffff811861da>] sys_write+0x4a/0x90
  Jan 22 09:57:08 cybercore kernel: [143400.624149]  [<ffffffff816a7be9>] system_call_fastpath+0x16/0x1b

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: bluetooth 4.101-0ubuntu6
  Uname: Linux 3.6.3-030603-generic x86_64
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: amd64
  Date: Tue Jan 22 19:59:24 2013
  EcryptfsInUse: Yes
  InterestingModules: btusb bnep rfcomm bluetooth
  MachineType: Gigabyte Technology Co., Ltd. EX38-DQ6
  MarkForUpload: True
  PackageArchitecture: all
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.6.3-030603-generic root=UUID=57fb0a5c-18f1-4c28-9127-6592be9ab8b1 ro rootflags=subvol=@ quiet splash vt.handoff=7
  SourcePackage: bluez
  UpgradeStatus: Upgraded to quantal on 2012-04-28 (268 days ago)
  dmi.bios.date: 04/24/2009
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F4B
  dmi.board.name: EX38-DQ6
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF4B:bd04/24/2009:svnGigabyteTechnologyCo.,Ltd.:pnEX38-DQ6:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnEX38-DQ6:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: EX38-DQ6
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  hciconfig:
   hci0:	Type: BR/EDR  Bus: USB
   	BD Address: 00:10:60:EB:80:03  ACL MTU: 310:10  SCO MTU: 64:8
   	UP RUNNING PSCAN ISCAN 
   	RX bytes:176743 acl:9843 sco:0 events:821 errors:0
   	TX bytes:3004 acl:110 sco:0 commands:86 errors:0
  rfkill:
   0: hci0: Bluetooth
   	Soft blocked: no
   	Hard blocked: no

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