** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Kernel 5.4.0-56 Wi-Fi does not connect
Status in linux
I can confirm the exact behaviour on Ubuntu 18.04. I use a FRITZ!WLAN
USB Stick AC 860 with a Ralink mt7662u Chipset.
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Title:
Kernel
Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10-rc6/amd64/
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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http
I installed 5.4.0-58 and had the same connection problem. Reverting to
5.4.0-54 resolved it.
I have attached the required log files collected under 5.4.0-58.
** Attachment added: "dmesg.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906770/+attachment/5443018/+files/dmesg.log
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** Attachment added: "uname-a.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906770/+attachment/5443020/+files/uname-a.log
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https://bugs.launchpad.net/bugs/190
** Attachment added: "lspci-vvnn.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906770/+attachment/5443019/+files/lspci-vvnn.log
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** Attachment added: "version.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906770/+attachment/5443021/+files/version.log
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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I tried two other Wi-Fi adapters with 5.4.0-58. Both are made by TPLINK
but use different chipsets: Realtek RTL8192EU and Atheros AR9271. Both
were able to connect successfully to a 2.4GHz 802.11n network.
When I tried the Netgear A6210 adapter (Mediatek MT7612U chipset) again,
it would not comple
Well, can we first make sure if mainline kernel exhibits the same bug?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Kai-Heng Feng I also have the same Netgear device with ID 0846:9053 NetGear,
Inc. A6210
It performs as expected in the 5.10-rc6 kernel and 5.4.0-54, fails in 5.4.0-58
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https:
It seems that this causes the issue
https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/drivers/net/wireless/mediatek/mt76?id=03db30eca2ae095e035943305f332e2d44d3b4a4
As removing the additions to the mt76x02_util.c file and using the change in
the mt76x02-lib.ko allows
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Kernel 5.4.0-56 Wi-Fi does not connect
Status in linux
The correct fix may be to use
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers?h=v5.10&id=05d6c8cfdbd6cefac6b373bad72775fcc4193c80
This allows the previous commit listed to be left in place for this device to
function
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Please test this kernel:
https://people.canonical.com/~khfeng/lp1906770/
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Title:
Kernel 5.4.0-56 Wi-Fi does not connect
Status in l
A test kernel compiled with the patch in comment#13 is uploaded to:
https://people.canonical.com/~shrirang-bagul/lp1906770/
Give it a try and verify if this fixes the issue
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Thanks Shrirang, this might also help on
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1908478
https://launchpad.net/bugs/1907764
https://launchpad.net/bugs/1907984
I can confirm it works with 0846:9053 NetGear, Inc. A6210
If Ted Marcus needs help installing this kernel, he knows what for
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
** Changed
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
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Title:
Kernel 5.4.0-56 Wi-Fi does not connect
Stat
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag 'verificati
I reported bug 1907764, deemed a duplicate of this.
I've installed the latest proposed Ubuntu kernel, 5.4.0-61-generic, under AMD64
and the system is stable with my TP-Link AC-600 adapter installed. It even
works!
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The 5.4.0-61 kernel in proposed works with ID 0846:9053 NetGear, Inc.
A6210
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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Problem is back in 5.4.0-62-generic. That version was recently released by
Ubuntu and installed on my system during a regular update. However, when I run
it and with that TP-Link AC-600 installed, I am again seeing the symptoms I
observed in my original bug https://bugs.launchpad.net/bugs/190776
The problem still exists with kernel 5.4.0-64-generic.
The last working kernel version for me is 5.4.0-54-generic
In case I remove the wifi adapter (ASUSTek Computer, Inc. AC51), then the
system is stable again without network.
The attached dmesg output has been collected with kernel version:
5.4
This bug was fixed in the package linux - 5.4.0-65.73
---
linux (5.4.0-65.73) focal; urgency=medium
* focal/linux: 5.4.0-65.73 -proposed tracker (LP: #1912220)
* initramfs unpacking failed (LP: #1835660)
- SAUCE: lib/decompress_unlz4.c: correctly handle zero-padding around
i
The bug seems to be fixed, however I am having massive upload speed
issues with said wifi hardware. With the same hardware under Windows,
the problem does not occur. Maybe someone can help me to investigate the
problem further. I have summarized the question here:
https://askubuntu.com/questions/1
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