problem still happening in latest 20.04 with and without backport-
iwlwifi-dkms
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https://bugs.launchpad.net/bugs/1855637
Title:
Intel AC 9260 (iwlwifi) completely unstable and halts
Just following up to note that this still reproduces (cpu core hang and
backtrace) on Eoan with the backport-iwlwifi-dkms package removed.
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Title:
@You-Sheng,
I have done that. It has ran all day without issue. Having said that,
I am very confused because I previously had the issue with Eoan with all
updates but no backport-iwlwifi-dkms installed. I don't know what has
changed.
In the apport information, it seems to confirm
@Wayne,
Simply remove backport-iwlwifi-dkms on your Eoan system.
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Title:
Intel AC 9260 (iwlwifi) completely unstable and halts cores in 19.10
Current results...
Eoan iso live boot: cores hang and recover
Eoan install + all updates: cores hang and recover
Eoan install + all updates + backport iwlwifi ppa: cannot associate
Eoan install + all updates + backport iwlwifi from Eoan: Kernel panic
Bionic + all updates: Everything works fine.
@Wayne,
TL;dr: simply remove backport-iwlwifi-dkms on your Eoan system with
Intel AC 9260 installed.
First, "the entire system will freeze" is to be resolved in bug 1855825,
which will fix backport-iwlwifi-dkms in Eoan/Focal for generic Ubuntu,
and Bionic for OEM projects. Eventually generic
** Attachment added: "dmesg showing the boot that used the suggested ppa
backport"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1855637/+attachment/5311841/+files/dmesg.0
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** Attachment added: "Relevant syslog from failed auth."
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1855637/+attachment/5311840/+files/network-auth-fail.log
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I tried the PPA and authentication failed to the network. I think the
applicable messages are as follows:
Dec 11 15:24:28 malt NetworkManager[888]: [1576099468.0140] device
(wlp6s0): supplicant interface state: associating -> associated
Dec 11 15:24:28 malt NetworkManager[888]:
@You-Sheng, I honestly have been VERY out of the loop on linux
kernel/hardware since the 2.4-2.6 days. I've been stuck in AWS for
years ;)
Can you verify I'm understanding the situation correctly? It appears
that the kernel in Eoan contains a driver that contains this issue, and
the
@Wayne, I believe this can be fixed in
https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1855825, which should
be landed soon into Eoan/Focal if you prefer a DKMS based solution. It
would take some more time to fix generic kernel in Eoan.
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1855637
Title:
Intel AC 9260 (iwlwifi) completely unstable and halts cores in
Please note that I went ahead and reinstalled on another drive and
completely updated, so there is a system ready to go with this issue--I
just have to boot into it. It's a slow USB external drive, so, gross,
but it works. Also, I'm a former c developer with some kernel dev
experience in the
apport information
** Tags added: apport-collected eoan
** Description changed:
After updating from 18.04 to 19.10, the entire system will freeze and
eventually recover with many dmesg errors with backtraces and all sorts
of errors around the iwlwifi module. I eventually restored to an
** Package changed: ubuntu => linux (Ubuntu)
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Title:
Intel AC 9260 (iwlwifi) completely unstable and halts cores in 19.10
To manage
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that your bug report is not filed about a
specific source package though, rather it is just filed against Ubuntu
in general. It is important that bug reports be filed about source
packages so that people
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