Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-firmware (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1719210
Adding linux-firmware as an affected package - on further investigation,
it turns out that the real problem here appears to be firmware
incompatibility between the Wifi and Bluetooth parts of the 8260
package.
Relevant bug in Kernel bugzilla:
https://bugzilla.kernel.org/show_bug.cgi?id=197807
** Also affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1719210
Title:
Bluetooth audio to A2DP headset no longer works
The exact manifestation of this seems to have changed (now the gnome
settings UI claims that my hardware doesn't have bluetooth support at
all - despite CLI bluetoothctl still being aware of it) but the basic
issue still very much remains: 4.13 from artful => bluetooth inoperable;
4.10 from zesty
Following response #4, I did:
git clone git://github.com/GM-Script-Writer-62850/Ubuntu-Mainline-Kernel-Updater
cd Ubuntu-Mainline-Kernel-Updater/
sudo bash install
KernelUpdateChecker -ar -v 4.12 -f
sudo /tmp/kernel-update
Then in the install process deleted the 4.13 kernel, and now bluetooth
is
After some testing, i experience a audio delay, when using bluetooth
headset when using "options iwlwifi bt_coex_active=0", which doesn't
happen with kernel 4.12
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i also have to correct my statement
"options iwlwifi bt_coex_active=0" and Kernel 4.13 works for me, but with 4.14
i still got wifi problems, but it's sill an RC and not default in 17.10
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I have to correct my earlier statement (comment 14), the linux-firmware
package update didn't fix the problem after all - it seemed to work for
a while, but I was mistaken. Now, however, I've gotten it working. The
correct fix is to add the following line to the end of
/etc/modprobe.d/iwlwifi.conf
I also seem to now be having Bluetooth-unrelated issues with iwlwifi,
filed in bug 1722109
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Title:
Bluetooth audio to A2DP headset no longer
Confirming this is very much *not* fixed - the last linux-firmware
upload doesn't seem to have touched anything iwlwifi-related at all:
https://launchpadlibrarian.net/339888041/linux-
firmware_1.168_1.169.diff.gz
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After a few days of testing i can say using kernel 4.12 works for me,
but options bt_coex_active=0 doesn't. Also the new linux-firmware
update didn't fixed it.
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Same issue here on a Thinkpad P50, although I don't see any iwlwifi
crash in the logs. Going back to the 4.10 kernel from Zesty fixes the
problem.
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The latest linux-firmware update today, running the stock kernel
4.13.0-12-generic has fixed the problem for me (connecting to Sony SRS-
XB40 speaker).
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@ Kai-Heng Feng (kaihengfeng)
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1719210/comments/6
Since my bug has been marked as a duplicate of this one, I'll respond to your
comment here.
Yes, the bug exists for me all kernels > 4.12, up to and including 4.14-rc3.
I can no longer use my
OK, I think I finally found the real trigger, helped by John Tanner's
comment and Googling the bt_coex_active option. It's trying to
simultaneously use bluetooth and a *2.4GHz* wifi network.
Trying that on my hardware results in lots of iwlwifi kernel logging
reporting that the device microcode
Or so I thought :-(I got set up for bisecting again, and now I can't
reproduce the problem at all.
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Title:
Bluetooth audio to A2DP headset
Hmm... empirically, I seem to have discovered a factor related to why
this sometimes works and sometimes does not with 4.13 - for me, the bug
only occurs if my laptop is booted *without* AC power applied.
Which makes no sense. But seems to be happening anyway.
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This appears to be a problem with either the kernel or the firmware for
intel wifi/bluetooth chipsets. I've found that adding the following to
/etc/modprobe.d/iwlwifi.conf and then rebooting seems to solve my
problems:
options bt_coex_active=0
I've got no idea where this radio conflict is coming
I have the same problem with similar symptoms, headset connects and
works, after some time, the video stops and the headset stops working,
than i can't connect again, have to remove the device, reboot, turn of
and on the headphones to get it working again. But the problems doesn't
always occur,
I am seriously confused.
As requested, I tested out a 4.14-rc - actually, I tested -rc2 since
that had come out - and the problem was present - audio playback would
freeze after around 40-50 seconds.
Then I went back to various 4.13 versions and attempted to get the start
of a bisection going -
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: needs-bisect
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Does this also happen to 4.14-rc1?
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Title:
Bluetooth audio to A2DP headset no longer works following upgrade from
4.12 to 4.13 in artful
To
Seeing similar issues with a Logitech M337 bluetooth mouse under the new
4.13.0-11 kernel.
Reverting to 4.12.0-13 solves the problem.
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Title:
Mainline ppa 4.12.14 is working OK
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Title:
Bluetooth audio to A2DP headset no longer works following upgrade from
4.12 to 4.13 in artful
To
Lack of functionality also a problem in mainline-ppa 4.13.3 version. The
following messages are logged to the journal:
Sep 24 21:44:05 spectre bluetoothd[826]: Unable to get Headset Voice gateway
SDP record: Connection timed out
Sep 24 21:44:46 spectre bluetoothd[826]: connect error: Connection
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