problem still happening in latest 20.04 with and without backport-
iwlwifi-dkms
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Title:
Intel AC 9260 (iwlwifi) completely unstable
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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@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
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
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]:
** 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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** 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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@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
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
Status
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