** Changed in: canonical-devices-system-image
Milestone: 14 => x1
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https://bugs.launchpad.net/bugs/1598584
Title:
wifi slows to a crawl when
no improvement on frieza with latest rc-proposed (ubuntu-touch/rc-
proposed/bq-aquaris-pd.en 228) and boot.img from comment 15. It even
seems to be worse. Sometimes I cannot connect to the network at all with
BT on and no activity on BT.
** Changed in: canonical-devices-system-image
over to qa for testing
** Changed in: canonical-devices-system-image
Assignee: John McAleely (john.mcaleely) => Jean-Baptiste Lallement (jibel)
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** Changed in: canonical-devices-system-image
Status: Confirmed => In Progress
** Changed in: frieza
Assignee: (unassigned) => Alfonso Sanchez-Beato (alfonsosanchezbeato)
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@Pat, would you mind giving a try to this new one? The older one was
engineering build, which maybe was affecting performance.
** Attachment added: "boot.img"
https://bugs.launchpad.net/ubuntu/+source/indicator-network/+bug/1598584/+attachment/4768768/+files/boot.img
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regrettably the performance is worse with the new kernel, downloads dropped
from 10mbps to 3mbps, oddly upload speed remained consistent
I did a browser based speed test while typing on an attached keyboard
Be good to verify on another internet connection to be sure its not just my
setup
Note
Attached there is the kernel with CONFIG_MTK_COMBO_BT enabled. For those
wanting to give it a try, it can be flashed with
$ fastboot flash boot boot.img
** Attachment added: "boot.img"
I have also heard other experts say this. And that the problem might be more
pronounced in mediatek devices. That would suggest that solving this might not
be possible from within UT.
But in that case we would need some one to confirm that using BT and wifi
together on -for example- the M10
I have seen this (and similar disconnections) happen on non Ubuntu
related devices where the bluetooth and wifi share the antenna.
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>From the E4.5 and mx4 kernel config
# CONFIG_MTK_COMBO_BT is not set
CONFIG_MTK_COMBO_GPS=y
CONFIG_MTK_COMBO_WIFI=y
>From the M10 there are a couple other interesting options
# CONFIG_MTK_COMBO_COMM is not set
# CONFIG_MTK_COMBO_BT is not set
# CONFIG_MTK_COMBO_ANT is not set
Be interesting
** Changed in: canonical-devices-system-image
Milestone: backlog => 14
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https://bugs.launchpad.net/bugs/1598584
Title:
wifi slows to a crawl
I have just done some more test together with Alan Pope. Although I
first saw this happening on my M10FHD, Other devices also are affected:
popeys bq e4.5 and my N4 have similar drops in wifi download speeds when
paired with a bt device.
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** Changed in: canonical-devices-system-image
Milestone: 13 => backlog
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https://bugs.launchpad.net/bugs/1598584
Title:
wifi slows to a crawl
same problem with mt ubuntu m10 connected to a BT home hub
i have a logitech t400 mouse and a logitech k480 keyboard
was tring to install a libertine container which kept failing, name resolution
etc so i switched to another wireless access point in the house and checked my
connection which was
Same here with Aquaris M10 FHD (frieza, rc-proposed 173).
When connecting to mouse and keyboard both via bluetooth, network works
unreliably.
Keyboard is a CSL Mini Keyboard, mouse is a Tonor optical mouse, wifi is
provided by an older Fritz Box (sorry, don't know the exact model).
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** Changed in: frieza
Status: New => Confirmed
** Changed in: frieza
Importance: Undecided => Critical
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I did more tests with other BT devices on the M10:
1. BT disabled:
Avg: 13.38Mbps
2. BT mouse + kbd (kept the mouse moving during the test)
Avg: 2.61Mbps
3. BT mouse + kbd + headset (local music playing)
Avg: 1.46Mbps
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I don't think it's a problem with the router but more likely the way the device
negotiate with the router. The router I use is the DSL box from my provider and
there is not much I can configure. I tried with a linksys flashed with dd-wrt
and the problem remains the same.
Besides, I tried with
I checked back in to this issue again today. After a router reboot, it
apparantly hit a channel that didn't play well with my M10. After some
further fiddling with the router normal wifi speed came back. Disturbing
though, that it seems very difficult to find a wifi broadcast channel on
the router
** Also affects: frieza
Importance: Undecided
Status: New
** Also affects: arale
Importance: Undecided
Status: New
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