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#1 2017-06-16 17:41:10

ThePeach
Member
From: Berlin, DE
Registered: 2014-06-08
Posts: 37
Website

bt-adapter dumps core, unable to use Bluetooth

No idea at which point, but now bluetooth has stopped working which is a big bummer for me (bt headphones)

I've tried on the console to use bluetoothctl but no avail, says

[bluetooth]# devices
No default controller available

This is what I'm seeing in the console if I try to restart it or launch it via the menu of Cinnamon.

Jun 16 18:31:35 figtree systemd-coredump[1844]: Process 1836 (bt-adapter) of user 1000 dumped core.                                                                              
                                                                            
                                                Stack trace of thread 1836:             
                                                #0  0x00007f61a9ccf670 raise (libc.so.6)
                                                #1  0x00007f61a9cd0d00 abort (libc.so.6)
                                                #2  0x00007f61aa69ac9d g_assertion_message (libglib-2.0.so.0)                                                                    
                                                #3  0x00007f61aa69ad2a g_assertion_message_expr (libglib-2.0.so.0)                                                               
                                                #4  0x0000000000407716 n/a (bt-adapter) 
                                                #5  0x00000000004031a5 n/a (bt-adapter) 
                                                #6  0x00007f61a9cbc43a __libc_start_main (libc.so.6)                                                                             
                                                #7  0x00000000004037ba n/a (bt-adapter) 

                                                Stack trace of thread 1838: 
                                                #0  0x00007f61a9d7f2bd poll (libc.so.6) 
                                                #1  0x00007f61aa674bf9 n/a (libglib-2.0.so.0)                                                                                    
                                                #2  0x00007f61aa674f92 g_main_loop_run (libglib-2.0.so.0)                                                                        
                                                #3  0x00007f61aa360426 n/a (libgio-2.0.so.0)                                                                                     
                                                #4  0x00007f61aa69bac5 n/a (libglib-2.0.so.0)                                                                                    
                                                #5  0x00007f61a9812297 start_thread (libpthread.so.0)                                                                            
                                                #6  0x00007f61a9d8925f __clone (libc.so.6)                                                                                       
                   
                                                Stack trace of thread 1837: 
                                                #0  0x00007f61a9d7f2bd poll (libc.so.6) 
                                                #1  0x00007f61aa674bf9 n/a (libglib-2.0.so.0)
                                                #2  0x00007f61aa674d0c g_main_context_iteration (libglib-2.0.so.0)
                                                #3  0x00007f61aa674d51 n/a (libglib-2.0.so.0)
                                                #4  0x00007f61aa69bac5 n/a (libglib-2.0.so.0)
                                                #5  0x00007f61a9812297 start_thread (libpthread.so.0)
                                                #6  0x00007f61a9d8925f __clone (libc.so.6)
-- Subject: Process 1836 (bt-adapter) dumped core
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- Documentation: man:core(5)
--
-- Process 1836 (bt-adapter) crashed and dumped core.
--
-- This usually indicates a programming error in the crashing program and
-- should be reported to its vendor as a bug.

I'm on a DELL XPS 13 (late 2016).

Hope someone knows what's going on, or otherwise I'll report upstream (don't know where this would be long thou)

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#2 2017-09-22 07:13:53

maevius
Member
From: Greece
Registered: 2009-09-10
Posts: 135
Website

Re: bt-adapter dumps core, unable to use Bluetooth

I just got bit by this today. Not sure what caused it since it was working fine previously.

It fixes itself if I open blueberry.

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#3 2017-12-24 01:41:34

kbeckmann
Member
Registered: 2017-12-24
Posts: 1

Re: bt-adapter dumps core, unable to use Bluetooth

I just experienced this issue as well on a DELL XPS 13 9360 and it turns out that the bluetooth chip seems to have a bug where you need to physically turn off the laptop (systemctl poweroff) and turn it back on again. Realized this after debugging the issue for a few hours... Hopefully this helps someone searching this issue.

Cheers

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