Disabling bluetooth crashed my computer?

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HumbleUser
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Disabling bluetooth crashed my computer?

Post by HumbleUser » Fri Apr 13, 2012 7:44 pm

Hello,

I am using LinuxMint 12 on my Toshiba techra M11 Laptop. I never use bluetooth so I thought it would be a good idea to disable it. I read through a FAQ here and disabled bluetooth in the rc.local file. Here's the link

http://forums.linuxmint.com/viewtopic.php?t=86813

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1k. Disable bluetooth on startup
Open rc.local as root:

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    gksu gedit /etc/rc.local


Add the line "rfkill block bluetooth" above "exit 0", like so:

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    rfkill block bluetooth
    exit 0
And everything was fine. A few days later I had a lockup, the mouse was frozen, the clock was frozen.

I shrugged it off but it started happening pretty frequently, every few hours or so. I looked through my system log and found tons of errors from the internal usb bluetooth adapter. Here's a snippet from my syslog. I tweaked any usb settings I found in my BIOS the only one was disable legacy mode. It didn't change a thing.

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Apr 12 01:11:56 mintbox-TECRA-M11 kernel: [ 1544.198922] toshiba_bluetooth: Re-enabling Toshiba Bluetooth
Apr 12 01:11:57 mintbox-TECRA-M11 kernel: [ 1544.847976] usb 1-1.6: new full speed USB device number 58 using ehci_hcd
Apr 12 01:11:58 mintbox-TECRA-M11 kernel: [ 1546.344224] usb 1-1.6: reset full speed USB device number 58 using ehci_hcd
Apr 12 01:11:59 mintbox-TECRA-M11 kernel: [ 1546.827041] usb 1-1.6: reset full speed USB device number 58 using ehci_hcd
Apr 12 01:12:01 mintbox-TECRA-M11 kernel: [ 1549.178451] toshiba_bluetooth: Re-enabling Toshiba Bluetooth
Apr 12 01:12:01 mintbox-TECRA-M11 kernel: [ 1549.245946] usb 1-1.6: USB disconnect, device number 58
Apr 12 01:12:02 mintbox-TECRA-M11 kernel: [ 1549.703759] usb 1-1.6: new full speed USB device number 59 using ehci_hcd
Apr 12 01:12:02 mintbox-TECRA-M11 kernel: [ 1549.775583] usb 1-1.6: device descriptor read/64, error -32
Apr 12 01:12:03 mintbox-TECRA-M11 kernel: [ 1551.347718] usb 1-1.6: reset full speed USB device number 59 using ehci_hcd
Apr 12 01:12:04 mintbox-TECRA-M11 kernel: [ 1551.838487] usb 1-1.6: reset full speed USB device number 59 using ehci_hcd
Apr 12 01:12:06 mintbox-TECRA-M11 kernel: [ 1554.149852] usb 1-1.6: USB disconnect, device number 59
Apr 12 01:12:06 mintbox-TECRA-M11 kernel: [ 1554.229621] toshiba_bluetooth: Re-enabling Toshiba Bluetooth
Apr 12 01:12:07 mintbox-TECRA-M11 kernel: [ 1554.807034] usb 1-1.6: new full speed USB device number 60 using ehci_hcd
Apr 12 01:12:08 mintbox-TECRA-M11 kernel: [ 1556.367292] usb 1-1.6: reset full speed USB device number 60 using ehci_hcd
Apr 12 01:12:09 mintbox-TECRA-M11 kernel: [ 1556.841906] usb 1-1.6: reset full speed USB device number 60 using ehci_hcd
Apr 12 01:12:11 mintbox-TECRA-M11 kernel: [ 1559.153646] toshiba_bluetooth: Re-enabling Toshiba Bluetooth
Apr 12 01:12:11 mintbox-TECRA-M11 kernel: [ 1559.205899] usb 1-1.6: USB disconnect, device number 60
Apr 12 01:12:12 mintbox-TECRA-M11 kernel: [ 1559.662834] usb 1-1.6: new full speed USB device number 61 using ehci_hcd
Apr 12 01:12:12 mintbox-TECRA-M11 kernel: [ 1559.734718] usb 1-1.6: device descriptor read/64, error -32
This kept repeating over and over almost every second, eventually it lead to some sort of hardware lockup. I removed the code from rc.local and it started working fine and the lockups have gone away, but of course, now bluetooth is enabled again.

So my questions are this, why did it keep disabling/re-enabling the bluetooth? And why did this cause a lockup? Finally, are there any other ways to disable bluetooth that won't result in a crash?



Here's my system info, would anything else be helpful?

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mintbox@mintbox-TECRA-M11 ~ $ inxi -Fc 0
System:    Host mintbox-TECRA-M11 Kernel 3.0.0-12-generic x86_64 (64 bit) Desktop Gnome Distro Linux Mint 12 Lisa
Machine:   System TOSHIBA (portable) product TECRA M11 version PTME1U-04402U02
           Mobo TOSHIBA model Portable PC version Version A0 Bios TOSHIBA version Version 2.90 date 12/03/2010
CPU:       Dual core Intel Core i5 CPU M 560 (-HT-MCP-) cache 3072 KB flags (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) 
           Clock Speeds: (1) 1199.00 MHz (2) 1199.00 MHz (3) 1199.00 MHz (4) 1199.00 MHz
Graphics:  Card: Intel Core Processor Integrated Graphics Controller 
           X.Org 1.10.4 drivers intel unloaded: vesa,fbdev Resolution 1600x900@60.2hz, 1152x864@75.0hz 
           GLX Renderer Mesa DRI Intel Ironlake Mobile GLX Version 2.1 Mesa 7.11
Audio:     Card Intel 5 Series/3400 Series Chipset High Definition Audio driver HDA Intel Sound: ALSA v: 1.0.24
Network:   Card-1 Intel Centrino Advanced-N 6200 driver iwlagn 
           Card-2 Intel 82577LM Gigabit Network Connection driver e1000e 
Drives:    HDD Total Size: 320.1GB (37.8% used) 1: /dev/sda ST9320421AS 320.1GB 
Partition: ID:/ size: 74G used: 5.5G (8%) fs: ext4 ID:/home size: 213G used: 108G (54%) fs: ext4 
           ID:swap-1 size: 8.00GB used: 0.00GB (0%) fs: swap 
Sensors:   Error: You do not have the sensors app installed.
Info:      Processes 165 Uptime 14:24 Memory 921.2/3692.2MB Client Shell inxi 1.7.7

mintbox@mintbox-TECRA-M11 ~ $ lsusb
Bus 001 Device 009: ID 0930:0508 Toshiba Corp. Integrated Bluetooth HCI
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 08ff:168b AuthenTec, Inc. 
Bus 002 Device 003: ID 046d:c03d Logitech, Inc. M-BT96a Pilot Optical Mouse
Thanks!

sagirfahmid3
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Re: Disabling bluetooth crashed my computer?

Post by sagirfahmid3 » Fri Apr 13, 2012 8:29 pm

I dunno why it caused the lockups, but you can simply disable the bluetooth daemon from starting by Menu>Preferences>Startup Applications and unchecking the box.

HumbleUser
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Re: Disabling bluetooth crashed my computer?

Post by HumbleUser » Fri Apr 13, 2012 9:41 pm

I actually don't see bluetooth listed there, but I did read a post about un-hiding startup applications. So I'll give that a shot. Thanks


Edit: I disabled "Bluetooth Manager" via the "Startup Applications Preferences" dialog, but the icon is still in the upper right corner of my screen after a reboot of the computer and it says bluetooth is enabled. Is it possible there are multiple configs launching bluetooth? Maybe that is why I had issues? I disabled it, but something else was trying to launch bluetooth? Just guessing

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900i
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Re: Disabling bluetooth crashed my computer?

Post by 900i » Sat Apr 14, 2012 3:47 am

Can you disable bluetooth in the bios. You can on both my dells. Just a thought.

Galaxy Sll running Tapatalk 2
Core i7 Linux Mint 19.2/Windows 10

HumbleUser
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Re: Disabling bluetooth crashed my computer?

Post by HumbleUser » Sat Apr 14, 2012 3:09 pm

Nope, I tried that too.

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