Okay, so, I remembered disabling CStates in BIOS as well as the other
Intel speed throttling settings. After re-enabling them, I've been
streaming data for quite a while, and haven't had the iwlwifi driver
crash.
So, "workaround" I guess??
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follow up ... It [unsurprisingly] doesn't have anything to do with YT,
streaming or network usage -- I had closed Firefox and was about to shut
the machine when the system froze and another crash occurred.
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Rather old thread, but definitely experiencing a similar problem with
the system completely freezing for about 10-15 seconds.
Syslog contains the same core dump as posted above (i've pasted mine
below ...)
It seems to happen during heavy streaming -- for me that's YouTube at
the moment.
I'm now on 4.16.3 kernel, and while I haven't encountered freeze since
moving to 4.15.13+, the WiFi connection becomes slow/unstable after few
minutes. I'm not sure this is connected to the same part of code, or my
HW meanwhile degraded a bit (did the 4.4 kernel work without a hitch? I
may try to
Just had a system hang on 18.04 due to this. The hangs are definitely
much rarer, but do happen.
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https://bugs.launchpad.net/bugs/1728651
Title:
System hangs
On Ubuntu 18.04, the warnings in kern.log still happen, and a kernel
oops is reported, but the system doesn't hang.
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Title:
Upon upgrading to Ubuntu 18.04 beta, which runs kernel 4.15.0-13-generic
and iwlwifi 8265 driver firmware 34.0.1, this problem seems to have gone
away.
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I did switch to mainline kernel 4.15.13 about 10 days back, and so far
no single freeze happened.
I did use this web page for instructions/etc:
https://wiki.ubuntu.com/Kernel/MainlineBuilds
I'm on KDE Neon distro, which is basically Ubuntu 16.04 LTS (with
latests KDE packages on top of it).
Am suffering from the same bug on a Thinkpad T470s with an Intel 8265
wifi chip running Ubuntu 17.10, Linux kernel 4.13.0-37-generic, and
iwlwifi 31.560484.0. There are multiple reports like the errors below in
kern.log. After a while, the machine completely locks up. Interestingly,
the system
I have the same issue on the NUC7i3BN!
Is there already a bugfix available?
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https://bugs.launchpad.net/bugs/1728651
Title:
System hangs after iwlwifi firmware
Based on skimming https://bugzilla.kernel.org/show_bug.cgi?id=195299 I
think this might be fixed upstream but didn't make it to kernel 4.13.
When will Ubuntu move to 4.14? :)
For now I am trying an older microcode (27.541033.0) but am not
optimistic..
** Bug watch added: Linux Kernel Bug
I believe I also have this bug on a HP Envy 13-ab002na. It is a vanilla
17.10 install.
As with @bwduncan the laptop becomes completely unresponsive to any
inputs and needs hard power off. The last thing in /var/log/kern.log is
iwlwifi Microcode SW error detected. It has happened 3 times in the
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-firmware (Ubuntu)
Status: New => Confirmed
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** Package changed: xorg (Ubuntu) => linux-firmware (Ubuntu)
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Title:
System hangs after iwlwifi firmware crash
Status in
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