I just tried it. The problem appeared when uptime was 56 minutes. I
attach the output of dmesg in case it helps.
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1834085/+attachment/5275914/+files/dmesg.txt
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Yes, I was using tlp for power management (it's a laptop). I will try to
disable it and report back.
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Title:
Bluetooth touchpad (App
I completely uninatalled tlp this morning and I am still experiencing
this issue.
I don't think it has anything to do with it.
(As I mentioned previously, other bluetooth devices work alright, even
with tlp).
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Yes, I have turned it off an on several times during the day.
But give me a couple of days and I will check (and attach) the
corresponding logs.
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Hi again, I have been away for a few days. I have been trying now, after
having uninstalled tlp the other day (and making sure it is indeed the
case), and using the kernel 5.2.0-050200rc7-generic #201906300430, I
have experienced the issue at the 13 minute mark.
I have attached the output of the d
Any news, or any workaround I could try?
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Title:
Bluetooth touchpad (Apple Magic Trackpad) disconnects every few
minutes
Status i
Ok, I reported the bug in the kernel.org bugtracking system. It's this
one: https://bugzilla.kernel.org/show_bug.cgi?id=204589
(Back in the day I sent an email to that address, but I never received a
response).
** Bug watch added: Linux Kernel Bug Tracker #204589
https://bugzilla.kernel.org/sh
Hey, adding that parameter to /etc/default/grub seemed to work! I have
not had a single disconnection for more than three hours now.
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Ok, let me share my experience a day later. At more than 7 hours of
being in my computer, I suffered a disconnection. Another one followed
maybe one or two hours later. This is, however, a big improvement over
the past situation, where there was one disconnection every 30 or 40
minutes. so maybe th
I just suffered three disconnections during the last hour, so it seems
that the problem is still there, and when they happen, it's a matter of
luck.
(And yes, I made sure that btusb.enable_autosuspend=0 was in the
kernel)
[0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-58-generic r
Ok, can confirm that disabling upower (via the commands in comment #44)
does not help. I suffered another disconnection when the uptime was
close to 4 hours.
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I can confirm that the problem persists on a clean install of Ubuntu
20.04 LTS (kernel 5.4.0-26-generic #30-Ubuntu SMP Mon Apr 20 16:58:30
UTC 2020 x86_64).
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Hi,
apport-collect doesn't seem to work properly. After it gathers info
about my installation, it asks me whether to send the report or not, and
then it just closes.
I also tried using ubuntu-bug in the first place, but I had exactly the
same problem. That's why I submitted the bug manually.
I w
I tried the kernel v5.1.14, and the problem happened twice after 38
minutes, so no changes here.
I also tried installing the kernel v5.2-rc6, but there were several
errors during the installation:
/etc/kernel/header_postinst.d/dkms:
ERROR (dkms apport): kernel package linux-headers-5.2.0-050200rc
Ok, can confirm that the bug also occurs with the kernel v5.2-rc6 (which
booted, despite showing some errors during startup). It appeared after
15 minutes of using it.
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apport information
** Tags added: apport-collected bionic
** Description changed:
I recently got an Apple's Magic Trackpad. I paired it with Ubuntu
18.04.2 LTS and worked out of the box, no special drivers needed.
However, I experience frequent disconnections that last a few seconds
(
apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273486/+files/CRDA.txt
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Ti
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273489/+files/Lspci.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273492/+files/ProcInterrupts.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273487/+files/CurrentDmesg.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273488/+files/IwConfig.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273493/+files/ProcModules.txt
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apport information
** Attachment added: "AudioDevicesInUse.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273485/+files/AudioDevicesInUse.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273490/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273491/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273495/+files/UdevDb.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273494/+files/RfKill.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1834085/+attachment/5273496/+files/WifiSyslog.txt
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I have experienced the issue at least once since I booted the computer.
** Attachment added: "dmesg after bootin with kernel parameter
"usbcore.dyndbg=+p""
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1834085/+attachment/5273502/+files/dmesg.txt
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Dammit. What is the correct way of adding it? When booting, at the grub
menu, y selected my Ubuntu entry, and pressed 'e' to edit. Then there
was a series of lines with instructions (I suppose), and I added another
line with 'usbcore.dyndbg=+p'. Then I pressed F10 (if I recall
correctly) to boot.
I edited that line in /etc/default/grub so it reads:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash usbcore.dyndbg=+p"
However, I don't see any changes in dmesg after I reboot:
[0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-52-generic
root=UUID=e5e53ee1-0a10-48ee-8f7c-1d553ecc5607 ro qui
** Attachment added: "dmesg after bootin with kernel parameter
"usbcore.dyndbg=+p""
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1834085/+attachment/5274528/+files/dmesg.txt
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