This problem went away some time between 16.04 and 19.10 (I went from
16.04 to 18.04 some time ago, and I believe it disappeared in that
jump); I no longer have a way to test it on 16.04.
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Public bug reported:
After updating 19.10 to linux-image-5.3.0-51-generic and rebooting, some
video playing applications (notably Zoom) cause frequent, brief (several
seconds) kernel hangs. The following message is logged the first time
it happens, and the second line is repeated each subsequent
Yes, I am running A06. However, a) the A08 update does not indicate
anything but a touchpad fix for Windows 10 32-bit (I realize this can be
unreliable) and b) since the A06 update I have been unable to
successfully boot a FreeDOS image to update my BIOS.
If you have any information on how to suc
This just happened again, linux-image-4.4.0-31-generic 4.4.0-31.50,
16.04. It certainly happens less often with 16.04 than it did in 15.04
and previous.
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I have isolated a method for making things work, for others who may have
similar problems:
1) Connect headset by turning it on.
2) Set headset to headset (not a2dp) mode using blueman-manager
3) Disconnect headset from blueman-manager
4) Reconnect headset from blueman-manager; it will show Audio P
Public bug reported:
I have a bluetooth headset capable of several modes of connection
(headset, handsfree, and a2dp). In 15.10, once I had correctly
configured it for a2dp once, applications using pulseaudio could use it
freely each time it was connected to the machine.
In 16.04, upon connectio
15.10 and 16.04 both appear to be much improved. I haven't been running
16.04 long enough to be sure, but 15.10 probably required reinsertion of
the drivers no more than 2-3 times over the six months I ran it.
What I do find is that the wireless card is often (but not always)
disabled after wake
I'm now on 15.04, BIOS A06, kernel 3.19.0-25, and I still have
intermittent problems, although things are better than they were at
their worst. When I do have problems, removing and reinserting
iwlmvm/iwlwifi fixes it.
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OK. 3.16.0-29 seems to be much better, but I just experienced the same
symptoms as for the logs (I believe) referred to in comment 77 above;
specifically, the machine lost association with the AP and could not
reestablish. Removing and reinserting the iwlmvm and iwlwifi modules
fixed the problem
A06
11/07/2014
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Title:
8086:08b1 (rev 6b) [Dell XPS 13 9333] iwlwifi regularly loses
connection/becomes unusable on Intel 7260
St
I am now running BIOS A06 and Ubuntu 14.10 due to a mainboard failure on
the laptop necessitating repair by Dell. I will update here if there
appear to be any substantial improvements/regressions. I apologize if
this loses track of the state for LTS, but as this is a machine I need
for daily use
Still using 3.13.0-37-generic #64+iwlltr0001, this afternoon I had a
spat where the card lost association and would not reacquire it.
Removing and reinserting iwlwifi/iwlmvm fixed it immediately. Seth, I
am emailing you wifi-debug output from both before and after reinsertion
(which should show bo
Seth,
It's not completely clear to me whether this kernel helps or not, but I
think it does. Certainly it is no worse than the last kernel I tested.
* It is my general sense that I am experiencing fewer slowdowns, but
they are certainly still occurring.
* I have had zero complete failures of t
I have just rebooted to this kernel, I will report back with any
improvements or regressions after some experience using it.
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Title:
I was just unable to connect using 3.13.0-32-generic
#57+lp1349572v20140847, and the problem was fixed by removing and
reinserting iwlmvm and iwlwifi. Due to an unfortunate stupidity on my
part, I am unable to send the wifi-debug files.
This problem occurred, I believe, due to spending a long
After a week on 3.13.0-32-generic #57+lp1349572v20140847 on several
wireless networks, I believe I can confidently say that the
disassociation problem is not present in this kernel. I still get
dragging speeds from time to time consistent with the rate-related
problems discussed previously, bu
I am now running 3.13.0-32-generic #57+lp1349572v20140847, I will
let you know how it goes. I have been having relatively less trouble
than usual the past few days (for whatever reason; this bug is rather
inconsistent), so it may take a while to know if there's much
improvement.
Thanks for al
Seth, I just sent some wifi-debug output to your @canonical email
address.
This may not be a great capture, let me know if it's not useful to you
and I'll try to get another. I have unfortunately not been sitting at
this laptop much the past couple of days for various reasons, so when
I've starte
OK, I've had time to triage wifi-debug (sorry, but I'm sure you
understand!), and it is now running. This failure takes between a few
minutes to several hours to emerge; I will almost certainly see wifi
dropouts in the next few hours, but it may or may not lose association
entirely for a very long
That is the same conclusion I came to at the time, that it made no
sense. I wondered if linux-firmware didn't change somewhere in there.
As I recall, 3.13 uses the -8 firmware, and 3.15 used the -9, and I
wondered if -9 might have been updated. I can retry 3.15.0-rc1 -rc2
-rc3 if that would be he
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165246/+files/CurrentDmesg.txt
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apport information
** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165244/+files/BootDmesg.txt
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This apport collect is after an association failure this morning; the
machine was rebooted about two hours ago and has been associated since.
If that is too long after reboot, let me know and I'll collect another
set of data. This machine has no wired Ethernet and I do not have a USB
dongle. Relo
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165258/+files/UdevDb.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165260/+files/WifiSyslog.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165257/+files/RfKill.txt
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apport information
** Tags added: apport-collected
** Description changed:
My Intel 7260 network card regularly shows very poor performance and/or
loses its connection entirely. On several occasions I have been unable
to reestablish an association with the AP without rebooting. This occurs
apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165245/+files/CRDA.txt
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Ti
apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165259/+files/UdevLog.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165248/+files/Lspci.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165255/+files/ProcModules.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165251/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165253/+files/ProcEnviron.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165247/+files/IwConfig.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165254/+files/ProcInterrupts.txt
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** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165256/+files/PulseList.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1315221/+attachment/4165250/+files/Lsusb.txt
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Seth: I am currently running, and have been running for a couple of
days, linux-image-3.13.0-32-generic and linux-firmware 1.127.5. I was
in fact going to post here that performance seems to be *worse* than it
had been for some time; three times recently my laptop has lost its wifi
association an
asala: While it's known that there are forward fixes, it also worked in
an earlier kernel. This means that there is previous breakage, as well.
The fixes may be for that same breakage, I haven't looked into that.
I believe 3.16 is fixed, as well.
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I can. This will take me some time, as the problem does not necessarily
show up immediately. It is also somewhat better (though not entirely
fixed) in 3.13.0-30 compared to 3.13.0-24, under which this was
reported. (The connection still drops frequently, but it seems to
recover much more quickly
Since Youresorock reported problems with 3.15.0rc4, I tried it on my
laptop -- it seems to work as well as 3.15.0rc3.
I may try a saucy kernel if it also works, because the lack of
multitouch on the trackpad in 3.15 is maddening!
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This problem appears to be fixed in 3.15.0-rc3. I have not had a wifi
drop in more than 36 hours. Additionally, the reported wireless signal
strength doesn't bounce around wildly.
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-3.15.0-rc3
** Changed in: linux (Ubuntu)
Status:
It will take some time to know for sure as the problem is intermittent,
so I'm not going to update tags just yet, but I have been on
3.15.0-031500rc3-generic for about 24h now with no dropouts or
slowdowns. This kernel is looking promising.
Unfortunately it has a regression in that the touchpad d
No change with the new BIOS.
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Title:
8086:08b1 [Dell XPS 13 9333] iwlwifi regularly loses
connection/becomes unusable on Intel 726
The new BIOS info:
A04
03/19/2014
I am running the new BIOS now, and will report back as to condition
changes.
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Title:
8086:08b1 [
Public bug reported:
My Intel 7260 network card regularly shows very poor performance and/or
loses its connection entirely. On several occasions I have been unable
to reestablish an association with the AP without rebooting. This
occurs even if the laptop is within a few feet of the AP.
I did n
This bug affects me on a Dell XPS 13 Developer Edition ("Sputnik 3") in
14.04. Wifi is almost totally unusable at times. It was reliable under
12.04 with a raring (I believe) backported kernel; iwlwifi drivers may
have been supplied by Dell, I am not sure. 14.04 is a clean install,
not an upgrad
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