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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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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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