Regarding #28
"on 20.04 LTS and v5.6 is not working properly with WiFi."
When I first tested Kernel 5.6 branch, the WiFi was broken because of this:
https://linuxreviews.org/Linux_5.6.2_Is_Released_With_Intel_Wifi_Fix
Now it is working again with the current 5.6 branch.
Kernel 5.5 is now EOL (a
I tested the test kernel 5.4 for about a day without issue
but all my computers using Intel GPU are using by default
kernel 5.5. I don't want to change that.
If you want to follow other users having the same kind of
issues with different i915 bugs on different Linux distro
follow comments on
https
As 5.5 is more stable on my Dell XPS 13 than 5.4 with Intel iGPU (i915)
I did the following one-liner to install the latest version of Linux Kernel 5.5
on Ubuntu 20.04
which curl >/dev/null 2>&1 || sudo apt-get install -qq -y curl; for
version in $(curl -sL https://kernel.ubuntu.com/~kernel-ppa/m
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.4.32/CHANGES
https://patchwork.ozlabs.org/project/ubuntu-
kernel/patch/20200407222740.7671-2-sultan.alsa...@canonical.com/
Note that this bug only affects 5.4 and has since been fixed in 5.5.
Normally, a backport of the fix from 5.5 would be in or
Linux Kernel 5.5.x (>5.5.12) is working fine
** Changed in: linux (Ubuntu)
Status: Confirmed => New
** Information type changed from Public to Private
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So far no crash, freeze of any kind with Linux 5.5.13 compared to the
unstability of Ubuntu 20.04 with Linux 5.4 on Dell XPS 13 with 10th
Generation Intel Core i7-10510U CPU (Comet Lake)
I guess the patches are part of Linux v5.5.12 and later
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5.12/
** Summary changed:
- Screen freezes : NULL pointer dereference i915_active_acquire since Linux 5.4
+ Intel GPU Hangs : random screen freezing w/ Ubuntu 20.04 (Linux 5.4)
i915_active_acquire
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I am testing with Linux Kernel 5.5.13-050513-generic from
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5.13/
as older kernels (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=954817#17
** Bug watch added: Debian Bug tracker #954817
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=95481
With the above patch, I still have the screen freeze but without Kernel oops.
I will compile and my own Linux Kernel 4.15 (18.04 LTS) for Ubuntu 20.04 (soon
LTS) as
Intel Graphics i915 is unusable on my Dell XPS 13 connected to external
screen and XFCE4
i915 :00:02.0: GPU HANG: ecode 9:1:0x
Seems to be fixed in the latest 5.5
http://kobi.wang/v5.x/ChangeLog-5.5
drm/i915: Hold reference to intel_frontbuffer as we track activity
Since obj->frontbuffer is no longer protected by the struct_mutex, as we
are processing the execbuf, it may be removed. Mark the
intel_fro
zgrep -h i915_active_acquire /var/log/kern.log* kern.log* | cut -d ' '
-f1-3,5,9-
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Q: Is there an upstream commit?
A: Not that I am aware of
https://gitlab.freedesktop.org/drm/intel/issues/827
A month ago:
Hi, when will this make it's way into Kernel 5.4? -- The Boy from the MAD show
;-)
You can check if you had the same type crash of your Ubuntu 20.04 (soon
LTS)
zgrep -h i
** Attachment removed: "WifiSyslog.txt"
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** Attachment removed: "RfKill.txt"
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** Attachme
I managed to build, install and boot the Linux Kernel 5.4 patched with
the above patch.
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Title:
Screen freezes : NULL pointer derefe
I did not manage to compile the kernel the Ubuntu way
https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel
Is this doc still relevant for Linux 5.4 and 20.04 / Focal?
I included the patch I ported to the latest version of ubuntu-focal
git clone git://kernel.ubuntu.com/ubuntu/ubuntu-focal.git
** Patc
** Summary changed:
- Dell XPS 13 : Screen freezes and Kernel Oops i915_active_acquire since Linux
5.4
+ Screen freezes : NULL pointer dereference i915_active_acquire since Linux 5.4
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Dell XPS 13 : Screen freezes and Kernel Oops i915_activ
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** Description changed:
uname -a
Linux xps 5.4.0-14-generic #17-Ubuntu SMP Thu Feb 6 22:47:59 UTC 2020 x86_64
x86_64 x86_64 GNU/Linux
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubun
apport information
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https://patchwork.freedesktop.org/patch/345789/?series=70930&rev=3
I will try to compile my own kernel with this patch
** Patch added:
"CI-drm-i915-Hold-reference-to-intel_frontbuffer-as-we-track-activity.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1868551/+attachment/5340444
Similar to this one
NULL pointer dereference in i915_active_acquire since Linux 5.4
https://gitlab.freedesktop.org/drm/intel/issues/827
** Bug watch added: gitlab.freedesktop.org/drm/intel/issues #827
https://gitlab.freedesktop.org/drm/intel/issues/827
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Public bug reported:
uname -a
Linux xps 5.4.0-14-generic #17-Ubuntu SMP Thu Feb 6 22:47:59 UTC 2020 x86_64
x86_64 x86_64 GNU/Linux
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu Focal Fossa (development branch)
Release:20.04
Codename: fo
This is my backport of Tomas Espeleta's patch to Linux 4.15.18 (linux-
source-4.15.0 / 4.15.0-45.48 available on Ubuntu 18.04.2 LTS)
** Patch added: "huawei-matebook-x-right-speaker-work-4.15.0.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1721987/+attachment/5241510/+files/huawe
FYI
I still have the issue on 3.13.0-91-generic (and 3.13.0-88-generic)
on a busy NFS server using XFS. I have this issue since 2015...
INFO: task kworker/1:2:31748 blocked for more than 120 seconds.
Not tainted 3.13.0-91-generic #138-Ubuntu
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs
Public bug reported:
After updating evolution to 3.18.5.1-1ubuntu1 on Ubuntu 16.04,
it stopped working:
$ evolution
(evolution:4688): e-data-server-WARNING **: e_module_load_all_in_directory:
Error opening directory '/usr/lib/evolution-data-server/credential-modules': No
such file or director
Public bug reported:
Hello,
After updating the linux kernel of my Ubuntu 15.10 from 4.2.0-21 to 4.2.0.22
I was unable to get to XFCE and slim login manager, I was stuck on a black
screen
with nothing displayed (no text/graphics). Same issue with latest 4.2.0.25.
When I go back to 4.2.0-21 ever
The bug doesn't seem to impact 3.13.0-63-generic.
(the server is in production we don't really want to test 4.2 unstable)
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X
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** Description changed:
Ubuntu 14.04.3 LTS with Kernel 3.19.0-26-generic
One of our servers running rsnapshot and nfs-kernel-server on XFS partitions
crashed or hanged two sundays in a raw.
Kernel 3.19.0-26-generic h
apport information
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Public bug reported:
Ubuntu 14.04.3 LTS with Kernel 3.19.0-26-generic
One of our servers running rsnapshot and nfs-kernel-server on XFS partitions
crashed or hanged two sundays in a raw.
Kernel 3.19.0-26-generic hangs multiple times (same time) in xlog_cil_force_lsn
(XFS).
I assume this bug is
@boot0user I agree with you. The best workaround for now is to update
kernel to Vivid!
# Physical Server (with EFI):
sudo apt-get -y purge linux-{headers,image}-3.16.0-48-generic
sudo apt-get -y install linux-signed-generic-lts-vivid
sudo reboot
uname -r # 3.19.0-26-generic
sudo apt-get -y purge
If directly related to igb module maybe this
LP: #1465653
https://lists.ubuntu.com/archives/kernel-team/2015-June/058671.html
https://lists.ubuntu.com/archives/kernel-team/2015-June/058586.html
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1465653
if not directly related to igb modules mayb
Maybe it's another kernel regression with Intel NIC and TSO
so you can try this :
# tso => tcp-segmentation-offload
# gso => generic-segmentation-offload
# gro => generic-receive-offload
# sg => scatter-gather
# ufo => udp-fragmentation-offload (Cannot change)
# lro => large-receive-offload (Can
Same bug as https://bugs.launchpad.net/ubuntu/+source/linux-lts-
utopic/+bug/1492146
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https://bugs.launchpad.net/bugs/1488024
Title:
[Regression] From 3.16.0-45
Same bug as https://bugs.launchpad.net/ubuntu/+source/linux-lts-
utopic/+bug/1488024
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Title:
igb Detected Tx Unit Hang
S
This bug should be a top priority because people will suffer from it as soon as
they reboot
their 14.04 LTS with an Intel Gigabit NIC and the "current" Utopic kernel
(3.16.0-48-generic).
I had the same problem with HP ProLiant DL380e Gen8 which an Intel I350 Gigabit
NIC
(Hewlett-Packard Compan
Same issue
$ lsb_release -r
Release:14.04
$ uname -r
3.13.0-52-generic
May 10 00:40:40 kernel: [...] Request for unknown module key 'Magrathea:
Glacier signing key: 1981bc916ffc00599231ec5630e666e0256fd6f1' err -11
May 10 00:40:40 kernel: [...] ipt_REJECT: module verification failed: sig
@arges
For me it's related at least part of it...
If I don't update the kernel to proposed-updates I have the following messages :
If I use one CPU instead of two, I don't have those messages.
BUG: soft lockup CPU#1 stuck for 22s! [qemu-system-x86:6889]
INFO: rcu_sched detected stalls on CPUs/t
I still have the same issue with kernel 3.16.0-36-generic or 3.13.0-51-generic
(proposed-updates)
# KVM HOST (3.16.0-36-generic)
sudo apt-get install linux-signed-generic-lts-utopic/trusty-proposed
# KVM GUEST (3.16.0-36-generic)
sudo apt-get install linux-virtual-lts-utopic/trusty-proposed
apt-
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