Stan,
Please file a separate bug so logs can be collected.
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status
I am running into exactly the same problem as Bas Zoetekouw. I added the
enable_autosuspend=0 option:
stan@stan-desktop:~$ cat /etc/modprobe.d/btusb.conf
options btusb enable_autosuspend=0
But I see the following in dmesg after reboot:
[4.026743] btusb: unknown parameter
** Tags added: cscc
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in linux package in Ubuntu:
Confirmed
Please test this patch.
** Patch added: "btusb-no-autosuspend.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1790454/+attachment/527/+files/btusb-no-autosuspend.patch
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Emiliano,
That means it's a different issue. Please file a new bug.
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Title:
Bluetooth (btintel) stops working after suspend/resume
"enable_autosuspend=0" did not fix the issue for me.
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in
** Tags added: patch
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in linux package in Ubuntu:
Confirmed
Bas,
Please test this patch, thanks!
** Patch added: "0001-patch-for-LP-1790454.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1790454/+attachment/5227688/+files/0001-patch-for-LP-1790454.patch
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Yeah, "enable_autosuspend=0" by itself fixes the issue.
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in
Bas,
Does "enable_autosuspend=0" alone fix your issue?
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in
DH, I think this can workaround your issue:
[1] https://github.com/endlessm/linux/pull/424
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Title:
Bluetooth (btintel) stops
If the enable_autosuspend option doesn't fix your issue, I think you are
encountering a different bug (with overlapping symptoms). For clarity,
it might be best to open a separate bug report for your issue.
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I am having a similar issue with Intel 8260. Wifi and BT works correctly
after cold boot. Wifi works correctly after suspend, but BT was showing
no adapters available in KDE plasma widget. dmesg would report "[
150.064149] Bluetooth: hci0: Failed to send firmware data (-38)" after
each resume.
My
I'm still planning to run a bisect to find the offending commit, but
havne't found the time yet.
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Title:
Bluetooth (btintel) stops
Same issue here.
Adding this to options + cold boot seems to have fixed it.
% cat /etc/modprobe.d/btusb.conf
options btusb enable_autosuspend=0
~ % uname -r
4.18.19-041819-generic
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Yes please.
Or even better, do a full kernel bisection between v4.15 and v4.17 to
make sure btusb.enable_autosuspend introduced the regression.
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I'm happy to report that everything seems stable now.
I'm now running the following config
- kernel 4.19.0-041900rc7-generic
- delay after reset set to 200ms (see #38)
- unload iwlwifi on suspend/sleep
- btusb.enable_autosuspend=0
Should I try with a regular kernel and only
My bad, I didn't saw it works on 4.15 but fails since 4.17.
Before doing a kernel bisect, can you try if
"btusb.enable_autosuspend=0" helps?
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Hmm, running the current setup (200ms sleep+iwlwifi unload-on-suspend),
I must say that the bt loading has become more reliable. It still
doesn't work 100% of the time, but it definitely is working more often
than before (maybe 75% of the time it works ok now).
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Also doesn't seem to make any difference...
Dmesg (attached) shows that iwlwifi is loading after initial btusb
initialization, but it still fails about 2/3 of the time.
** Attachment added: "dmesg.txt"
Hmm, can you try removing iwlwifi before suspend, not sure if there's an
internal race happen inside the Intel wireless module.
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I've changed the delay to 200ms, but now I get
[16936.380848] Bluetooth: hci0: Device boot timeout
in addition to the original symptons.
Dmesg is attached.
** Attachment added: "dmesg-200ms.txt"
ok, will do
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in linux package in Ubuntu:
Confirmed
Bug
I've seen similar things recently, and seems like increase the delay
after reset can alleviate the issue.
Can you try something like 100ms or 200ms instead of (10 + 40)ms in [1]?
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/usb/core/hub.c#n2889
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Sorry, bug is still occurring, even with the patch. Dmesg is attached.
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1790454/+attachment/5200246/+files/dmesg.txt
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Ok, running a patched kernel now. Let's see if I can still trigger the
bug.
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Title:
Bluetooth (btintel) stops working after
Is it possible for you to try this patch?
https://patchwork.kernel.org/patch/10624303/
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Title:
Bluetooth (btintel) stops working
Problem still occurs. Dmesg is attached.
** Attachment added: "dmesg.4.19.0-041900rc7-generic+usbcore.quirks.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1790454/+attachment/5199005/+files/dmesg.4.19.0-041900rc7-generic+usbcore.quirks.txt
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Ah yes, cold boot seems to fix it for now. I'll need to wait and see if
the bug now occurs during normal operation.
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Title:
Hmmm, do you still see this if you cold boot with the quirk?
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status
** Attachment added: "dmesg-4.19rc7.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1790454/+attachment/5198639/+files/dmesg-4.19rc7.log
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With kernel 4.19rc7 and the kernel parameter as you prescribed, the BT adapter
won't work at all. The timeouts that would only occur sporadically after
resume, are now present from boot, and the previous
unload-modules/suspend/resume/load-modules cycle no longer works to get BT back
on.
Sure, here it is.
** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1790454/+attachment/5198582/+files/dmesg.log
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Ok, please use v4.19-rc6 or rc7, and boot with kernel parameter
"usbcore.quirks=8087:0a2b:k" which disables LPM for the Bluetooth
device, and see if this issue still persists.
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Is it possible for you to attach full dmesg? i.e. everything from boot.
I'd like to check if LPM is enabled for this device.
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Title:
Hmm, I guess the dmesg above was mispasted.
"modprobe -r btusb" gives
[ 6998.064598] usbcore: deregistering interface driver btusb
[ 6998.064608] usb usb1: usb auto-resume
[ 6998.064639] hub 1-0:1.0: hub_resume
[ 6998.064659] usb usb1-port2: status 0507 change
[ 6998.064674] usb
The bug triggered again this morning:
> modprobe -r btusb
gives
[ 6998.064598] usbcore: deregistering interface driver btusb
[ 6998.064608] usb usb1: usb auto-resume
[ 6998.064639] hub 1-0:1.0: hub_resume
[ 6998.064659] usb usb1-port2: status 0507 change
[ 6998.064674] usb usb1-port7:
When the bug is triggered.
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in linux package in Ubuntu:
Do you need a dmesg when the bug is triggered, or does a regular boot
log suffice? It's hard to trigger the bug manually (but it occurs
every couple of days).
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Can you attach full dmesg with `usbcore.dyndbg=+p`?
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Title:
Bluetooth (btintel) stops working after suspend/resume
Status in linux
Adding to that, there is a (somewhat) reliable way to get bluetooth back. It
involves goign to the following process _twice_: stopping the bluetooth
service, unloading all relevant modules, suspending the laptop, resuming,
reloading all modules, starting the bluetooth service.
Rather
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