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Message #37124
[Bug 1014992] Re: Ubuntu 12.04, i386, cannot use rfcomm as regular user. Permission denied.
Burkhard Arenfeld, as per http://www.asus.com/Motherboards/P8Z68V_LX/#support an update is available for your BIOS (4105). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything? If it doesn't, could you please both specify what happened, and just provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.
For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.
Thank you for your understanding.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1014992
Title:
Ubuntu 12.04, i386, cannot use rfcomm as regular user. Permission
denied.
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
After updating from 8.04 to 12.04 I cannot use rfcomm without sudo.
I've already added the user to group 'dialout' .
Temporary I tried to change udev.rules (KERNEL=="rfcomm[0-9]*", GROUP="dialout", MODE="666") but this doesn't
solve the problem so I removed it again.
Here the commands I used :
burki@orion:/$ hcitool scan
Scanning ...
00:12:6F:08:98:FF GEO LE-71 00001
burki@orion:/$ rfcomm connect 1 00:12:6F:08:98:FF
Can't open RFCOMM device: Permission denied
burki@orion:/$ ls -l /dev/rfcomm1
ls: cannot access /dev/rfcomm1: No such file or directory
burki@orion:/$ groups
burki adm dialout fax cdrom floppy tape sudo audio dip video plugdev fuse scanner lpadmin netdev sambashare
burki@orion:/$ sudo rfcomm connect 1 00:12:6F:08:98:FF
Connected /dev/rfcomm1 to 00:12:6F:08:98:FF on channel 1
Press CTRL-C for hangup
In another terminal while connection is running ...
burki@orion:/$ ls -l /dev/rfcomm1
crw-rw---- 1 root dialout 216, 1 Jun 19 09:01 /dev/rfcomm1
burki@orion:/$ UDEV_LOG=debug udevadm test $(udevadm info -q path -n rfcomm1)
(I've stolen this command from another bug report #570692. Output is very long. Please see attachment)
WORKAROUND: sudo chmod u+s /usr/bin/rfcomm
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-25-generic-pae 3.2.0-25.40
ProcVersionSignature: Ubuntu 3.2.0-25.40-generic-pae 3.2.18
Uname: Linux 3.2.0-25-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu8
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: burki 1730 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xfe500000 irq 56'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0887,10438444,00100302 HDA:80862805,80862805,00100000'
Controls : 49
Simple ctrls : 21
Date: Tue Jun 19 09:15:54 2012
HibernationDevice: RESUME=UUID=f3e3a302-4042-4fcd-86c5-756ae88e15b8
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-25-generic-pae root=UUID=f791f2d4-8966-47d3-a19d-9b0b649e63ea ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-25-generic-pae N/A
linux-backports-modules-3.2.0-25-generic-pae N/A
linux-firmware 1.79
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/21/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0703
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8Z68-V LX
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0703:bd10/21/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VLX:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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