My 18.04 is running with the new official kernel 4.15.0-153-generic
since it got updated via the system update. No hangs or crashes so far.
Thanks a lot for the quick fix!
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** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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Title:
4.15.0-151 is freezing various CPUs
To manage notifi
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-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
It looks like there was an issue with the bots. This fix is released and
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** Tags removed: verification-needed-bionic
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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-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
This bug was fixed in the package linux - 4.15.0-153.160
---
linux (4.15.0-153.160) bionic; urgency=medium
* bionic/linux: 4.15.0-153.160 -proposed tracker (LP: #1938319)
* 4.15.0-151 is freezing various CPUs (LP: #1938013)
- mac80211: fix memory corruption in EAPOL handling
I'm also affected by this bug:
- 4.15.0-151-generic freezes
- 4.15.0-147-generic does not freeze (previous available kernel in grub)
My CPU: Intel(R) Core(TM) i7-7700T CPU @ 2.90GHz
The freeze happens generally at the login screenshot (sometimes before,
sometimes after, but shortly after booting
Can confirm this bug on a
Micro-Star International Co., Ltd. GE63 7RD
with 4.15.0-151.
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be
restarted.
Date: Mon Aug 2 20:22:08 2021
Failure: oops
OopsText:
BUG: Bad rss-counter state mm:e1ad1a66
Any day now. The kernel is in proposed and under testing: 4.15.0-153.160.
You can enable proposed if you want it early.
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Title:
4.15.0-151 is fre
Any ETA on kernel release?
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Title:
4.15.0-151 is freezing various CPUs
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Tested on Lenovo ThinkPad 13, i7-7500U, Intel Wireless 8265 / 8275. With
4.15.0-151 there was a freeze after 1-15 min. After 6 hours no issues
with 4.15.0-153 kernel. Thank you Juerg.
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htt
** Attachment added: "kern.log of seemingly OK Joerg's 153 kernel after wifi
association"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938013/+attachment/5514586/+files/kern.log-probablyOKkernel153juergh.txt
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** Attachment added: "kern.log of buggy 151 kernel with oops after resume from
suspend"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938013/+attachment/5514585/+files/kern.log-bugkernel151-afterresumefromsuspend.txt
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** Attachment added: "kern.log of buggy 151 kernel with oops after wifi
association"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938013/+attachment/5514584/+files/kern.log-bugkernel151.txt
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Currently testing the Juerg's test kernel and so far no issues. In
/var/log/kern.log after wlo1 authenticated and associated at cca 22s
after boot no freezes and oopses yet - compared to the 151 kernel which
often failed right after wlan tried to become associated.
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** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => High
** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Stefan Bader
I want to add that I too began having problems on my Lenovo T480 after I
installed the 4.15.0-151 kernel. I have gone back to kernel 147 and
that solved all the problems. My problems were similar to those
reported above: the computer sometimes crashed on boot. When it did
manage to boot the mous
Been running on Juerg's 4.15.0-153 kernel for 5 hours without any known
issues. /var/crash has no new files in it. Have printed a very small
number of pages over wifi. Majority of use with Firefox and Brave with
no issues. Getting much happier with this new kernel. THANKS!!
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I had the same freezing issue on my i5-8250U laptop since I've upgraded
the kernel to 4.15.0-151 via apt upgrade. The freeze happened 3x in the
morning, once while working in desktop, then twice on the lightdm
logging screen. The mouse and keyboard completely froze, all I could do
was to turn the l
> A test kernel is available here:
https://kernel.ubuntu.com/~juergh/lp1938013/
I found a laptop running bionic. Updated to the newest archive kernel
and rebooted. Hit the regression immediately, dmesg would show kernel
errors right after the wlan0 lines.
With the test kernel, I've been running f
For Juerg Haefliger:
>A test kernel is available here: https://kernel.ubuntu.com/~juergh/lp1938013/
>We'd very much appreciate it if people could do some testing. Download the
>debs and install them >with 'dpkg -i *.deb'. The kernel is unsigned so secure
>boot needs to be disabled.
Kernel insta
For Stefan Bader - Upload of journal -b for the first hang with
the Ubuntu 151 kernel. The last thing in the log is notification that
Power Key pressed
** Attachment added: "smb1"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938013/+attachment/5514374/+files/smb1
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For Stefan Bader - Upload of journalctl -b for your test kernel
in comment 12, which hung
** Attachment added: "smb"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938013/+attachment/5514373/+files/smb
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A test kernel is available here: https://kernel.ubuntu.com/~juergh/lp1938013/
We'd very much appreciate it if people could do some testing. Download the debs
and install them with 'dpkg -i *.deb'. The kernel is unsigned so secure boot
needs to be disabled.
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In my case it froze everytime "wlp4s0: WPA: Group rekeying completed
with ..." appeared in the logs or if I manually connected to the wifi.
Disabled ipv6, didn't crash so often anymore and not on each manual
connect anymore.
But still had some freezes (especially if the CPU load changed
abruptly)
I did encounter the issue on a Lenovo Thinkpad P50 with an Intel wifi
adapter. At the time of the freezes and crashes the ethernet cable
connection was used - wifi on and configured, though.
I leave it to your good judgement if the sketched scenario will also be
covered by the fix. Thanks.
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Yo
We believe it's a memory corruption in the wifi stack (mac80211 module).
Expect a test kernel soon.
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Title:
4.15.0-151 is freezing various CPUs
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