* [Bug 198699] Kernel regularly logs: Bluetooth: hci0: last event is not cmd complete (0x0f)
[not found] <bug-198699-62941@https.bugzilla.kernel.org/>
@ 2018-10-22 12:43 ` bugzilla-daemon
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From: bugzilla-daemon @ 2018-10-22 12:43 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Matthias Pritschet (bugzilla.kernel.org@pritschet.eu) changed:
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CC| |bugzilla.kernel.org@pritsch
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--- Comment #15 from Matthias Pritschet (bugzilla.kernel.org@pritschet.eu) ---
This Bug seems to affect even basic HCI functionality:
"hcitool inq" is never returning in my case. dmesg gives me said error message.
I have tried two different USB-Bluetooth Dongles:
[ ] usb 2-2: New USB device found, idVendor=04b4, idProduct=f901, bcdDevice=
1.12
[ ] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ ] usb 2-2: Product: CYW20704A2
[ ] usb 2-2: Manufacturer: Cypress Semi
[ ] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ ] usb 2-2: New USB device found, idVendor=0a12, idProduct=0001,
bcdDevice=88.91
[ ] usb 2-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ ] usb 2-2: Product: CSR8510 A10
[ ] Bluetooth: hci0: last event is not cmd complete (0x0f)
Also btmon/hcidump just seem to freeze:
< HCI Command: Inquiry (0x01|0x0001) plen 5 #1 [hci0] 10.211282
Access code: 0x9e8b33 (General Inquiry)
Length: 10.24s (0x08)
Num responses: 0
> HCI Event: Command Status (0x0f) plen 4 #2 [hci0] 10.314299
Inquiry (0x01|0x0001) ncmd 1
Status: Success (0x00)
The only way to recover from this state is to issue a "hciconfig hci0 reset".
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2018-10-22 12:43 ` [Bug 198699] Kernel regularly logs: Bluetooth: hci0: last event is not cmd complete (0x0f) bugzilla-daemon
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From: bugzilla-daemon @ 2018-10-27 4:08 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Nadal Gonzalo García Zavala (snorkellingcactus@gmail.com) changed:
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--- Comment #16 from Nadal Gonzalo García Zavala (snorkellingcactus@gmail.com) ---
Same here with rtl8723de 4.18.16 latest rtl_bt firmware.
Pairing fails with an Edifier r2000db speaker.
I'm not sure, but i think pairing with an android device worked.
On failure bluezctl says something like connect attempt failed.
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2018-10-22 12:43 ` [Bug 198699] Kernel regularly logs: Bluetooth: hci0: last event is not cmd complete (0x0f) bugzilla-daemon
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To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
--- Comment #17 from Nadal Gonzalo García Zavala (snorkellingcactus@gmail.com) ---
dmesg
https://paste.pound-python.org/raw/Z0A2xHsgA3ePo8rmIL7L/
lspci -vvv
https://paste.pound-python.org/raw/9mPWBx1BJfar6yROQOVu/
lsmod
https://paste.pound-python.org/raw/TASuig0MdPwOmWiEUWeh/
sha256sum /lib/firmware/rtl_bt/rtl8723d_*
https://paste.pound-python.org/raw/XkFQ6c6f9HpqmUhCEJOn/
uname -a
https://paste.pound-python.org/raw/y7YgUPIhCHGnnUipGG9q/
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https://bugzilla.kernel.org/show_bug.cgi?id=198699
--- Comment #18 from Nadal Gonzalo García Zavala (snorkellingcactus@gmail.com) ---
sudo lsusb -vvv
https://paste.pound-python.org/raw/vfIi8iqFxDaI5Mofjruq/
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From: bugzilla-daemon @ 2018-10-30 19:15 UTC (permalink / raw)
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https://bugzilla.kernel.org/show_bug.cgi?id=198699
Jonathan Dunlap (jadit2@gmail.com) changed:
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--- Comment #19 from Jonathan Dunlap (jadit2@gmail.com) ---
Same issue here with Fedora 28 and 29, using Gigabyte x470 Gaming 7 motherboard
with an Intel Wifi and Bluetooth chipset.
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From: bugzilla-daemon @ 2018-11-04 12:00 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Oleksandr Pylypenko (lex.pilipenko@gmail.com) changed:
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--- Comment #20 from Oleksandr Pylypenko (lex.pilipenko@gmail.com) ---
Confirming the issue on Dell Vostro 5468 with Intel Bluetooth adapter
(8087:0a2a), OS Ubuntu 18.04.1, kernel version. 4.15.0-36-generic. Audio output
appears to clog and tear second after log line shows in dmesg. This goes for
4-5 seconds, after which playback continues normally for another ~10 seconds.
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From: bugzilla-daemon @ 2018-11-12 14:22 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Jakub Jankiewicz (jcubic@onet.pl) changed:
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--- Comment #21 from Jakub Jankiewicz (jcubic@onet.pl) ---
I also have the issue in Fedora 27 on Dell Inspiron 15 5570 with Qualcomm
bluetooth (hciconfig -a hci0 shows that)
But in my case the sound from bluetooth speakers JBL Flip 4 is fine. I dind't
experience any issues, only there are lot of messages in dmesg logs.
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From: bugzilla-daemon @ 2018-11-12 17:34 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Alex ARNAUD (alexarnaud@hypra.fr) changed:
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--- Comment #22 from Alex ARNAUD (alexarnaud@hypra.fr) ---
I'm experiencing the same issue on Debian 8 "Jessie" with a backported Kernel
4.18 and latest Intel Firmware for my Wireless card.
I'm testing on a Clevo compute with Intel Corporation Dual Band Wireless-AC
3168NGW.
Let me know if I can help, it's really annoying, I couldn't make the Bluetooth
working on this computer.
Best regards,
Alex.
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From: bugzilla-daemon @ 2019-01-18 6:31 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Ishan Kulkarni (ishank005@gmail.com) changed:
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--- Comment #23 from Ishan Kulkarni (ishank005@gmail.com) ---
Observing the issue on Fedora 29 Cinnamon. I have Lenovo T440P laptop on which
I am trying to connect my Bluetooth headsets (Sony MDR-XB650BT).
The Bluetooth is failing to even detect the headsets. At the same time, it can
detect my smart bands, mobile phones, other laptops etc. The same headphones
connect correctly on my Windows laptop.
In dmesg, I can see the messages as :
[717817.195781] Bluetooth: hci0: read Intel version: 3707100180012d0d00
[717817.198527] Bluetooth: hci0: Intel Bluetooth firmware file:
intel/ibt-hw-37.7.10-fw-1.80.1.2d.d.bseq
[717817.394926] Bluetooth: hci0: Intel firmware patch completed and activated
[717818.100820] Bluetooth: hci0: last event is not cmd complete (0x0f)
[717849.196840] Bluetooth: hci0: last event is not cmd complete (0x0f)
[717906.393910] Bluetooth: hci0: last event is not cmd complete (0x0f)
[717922.201017] Bluetooth: hci0: last event is not cmd complete (0x0f)
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From: bugzilla-daemon @ 2019-01-18 7:22 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Johan Hedberg (johan.hedberg@gmail.com) changed:
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--- Comment #24 from Johan Hedberg (johan.hedberg@gmail.com) ---
The "last event is not cmd complete" is in most/all cases a red herring, so
please don't focus on that. There's a patch in mainline that will remove it for
all valid situations (i.e. when the command completed with command status
instead of command complete):
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1629db9c75342325868243d6bca5853017d91cf8
It seems like this issue has probably lots of different bugs mixed into it, all
incorrectly attributing themselves to this misleading warning message, when in
fact there's something unrelated going wrong. Those that are experiencing
issues even after applying the patch I referred to, please open new issues,
especially if the "last event is not cmd complete" message goes away for you
with the patch. This one can probably be closed since the misleading message
should now be gone.
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From: bugzilla-daemon @ 2019-02-01 21:28 UTC (permalink / raw)
To: linux-bluetooth
https://bugzilla.kernel.org/show_bug.cgi?id=198699
Paul Menzel (pmenzel+bugzilla.kernel.org@molgen.mpg.de) changed:
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--- Comment #25 from Paul Menzel (pmenzel+bugzilla.kernel.org@molgen.mpg.de) ---
Should this be added to the stable series too?
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From: bugzilla-daemon @ 2019-03-27 2:10 UTC (permalink / raw)
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Daniel van Vugt (daniel.van.vugt@canonical.com) changed:
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--- Comment #26 from Daniel van Vugt (daniel.van.vugt@canonical.com) ---
Comment 24 suggests to me that this bug should be closed (?). Because it seems
to eliminate the possibility of the message appearing with (0x0f).
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