** Changed in: linux (Ubuntu Noble)
Assignee: (unassigned) => Juerg Haefliger (juergh)
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Title:
UBSAN array-index-out-of-bounds
Public bug reported:
After Update from Kernel 6.5 to 6.8
i have some Frame Drops / Slowdowns by Games over Steam.
It Feels like Commodore C64.
After disabling E-Core in EFI/Bios it was again ok.
Please solve.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Public bug reported:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly
This should fix it:
https://lore.kernel.org/linux-scsi/20240711174815.work.689-k...@kernel.org/
Applied to 6.12/scsi-queue.
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Title:
** Changed in: linux (Ubuntu)
Status: New => In Progress
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Title:
UBSAN: array-index-out-of-bounds in
/build/linux-Z1RxaK/l
** Description changed:
SRU verification for oem-6.8-noble:
[Impact]
In https://bugs.launchpad.net/ubuntu/+source/linux-oem-6.5/+bug/2046315,
we've cherry-picked the 8 patches from the most recent mainline kernel to
oem-6.8
to fix the panel flickering problem in the Dell OEM project.
@Pierre if you see the same error on another device with a different
VID/PID and WIFI connection tests also failed, then we'd better treat it
separately as another issue.
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I've submitted SRU for all Skylake GPU, and looks like we need to add
KBL GPU to the list, too.
Jeffery in #65 and Abdullah in #72 use KBL.
We don't have SRU cycle in Sep., so will wait for another month to
collect more info and submit another SRU later.
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I've extended the test plan to mention the particular hardware required.
As for testing multiple Nvidia driver versions, that's not required.
Because the phantom monitor comes from simpledrm and not from nvidia.
There are no separate per-driver fixes. Although it's always advisable
you're starting
** Changed in: ubuntu-kernel-tests
Status: In Progress => Fix Released
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Title:
CONFIG_PAGE_TABLE_ISOLATION and CONFIG_RETPOLI
You can verify your package information by `dpkg -l` and `dpkg -s`.
But yes, the boot option will still be 6.38.0-38.
So I think you still reproduce the same issue even with this kernel?
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Public bug reported:
The xilinx platform requires the out-of-tree mali400 drivers for the GPU
to properly work.
https://github.com/Xilinx/meta-xilinx/blob/rel-v2024.1/meta-xilinx-
core/recipes-graphics/mali/kernel-module-mali.bb
** Affects: linux-xilinx-zynqmp (Ubuntu)
Importance: Undecided
This issue does not exist on ZCU106 with J-xilinx.
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https://bugs.launchpad.net/bugs/1998738
Title:
dev test from ubuntu_stress_smoke_tests cause kernel oops o
Public bug reported:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly
** Changed in: linux-xilinx-zynqmp (Ubuntu Noble)
Status: Confirmed => Fix Committed
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https://bugs.launchpad.net/bugs/2072456
Title:
boot failure on kv
** Also affects: linux-azure (Ubuntu Oracular)
Importance: Undecided
Status: Triaged
** Also affects: linux-signed-azure (Ubuntu Oracular)
Importance: Undecided
Status: Invalid
** Also affects: linux-signed-azure-6.8 (Ubuntu Oracular)
Importance: Undecided
Status: In
** Description changed:
[Impact]
* Microsoft requested 64k page size flavour.
[Fix]
* Add flavour and configs for 64k flavour
[Test Case]
* Compile tested
* Boot tested
[Where things could go wrong]
- * Low chance of regression. Isolated logic fix.
+ * Low chan
I have just installed the latest 6.8.0-41.41 kernel (and rebooted too),
but the issue persists.
Trying to suspend, turns the screen blank for one second, and then shows
the GDM/ login screen (my user is still logged in and I can continue my
session from where I left off prior to suspend.
Any tips
1) I found this command on google in the ubuntu ask website as the solution
for the similar issue faced by someone else.
2)s2idle [deep]
3)by using command line or by using gui suspend button no issue is faced,
when the system is going to auto sleep and suspend automatically instead of
going to sle
Can you describe the "awful" performance in more detail?
If the bad performance is just in using the machine, if you disable
WiFi, how responsive is the machine? If you can see the sluggishness
without a network connection, can you try to see if it happens when the
wifi is disabled or in airplane
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Philip Cox (philcox)
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Title:
[RTL8821CE] awful performance
Status in l
Hello, thank you for taking the time to open this bug report.
I see in the dmesg you've included, you have the kernel command line
option "acpi_sleep=deep" set.
1) Why is this set?
2) Can you please give me the output of the command:
cat /sys/power/mem_sleep
3) Can you please tell me how
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Philip Cox (philcox)
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Title:
Error On Automatic suspend after sleep
St
Same problem on 6.8.0.40 kernel. (Ubuntu 22.04)
My device a HP Elitebook 840 G3. I use it with a Dell External monitor,
with Displayport output.
No problem on 6.5 kernel and also work well with 6.10 Zabbly
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed-hwe-6.8 (Ubuntu)
Status: New => Confirmed
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https://bug
All autopkgtests for the newly accepted linux-meta-lowlatency-hwe-5.15
(5.15.0.121.131~20.04.1) for focal have finished running.
The following regressions have been reported in tests triggered by the package:
linux-lowlatency-hwe-5.15/5.15.0-121.131~20.04.1 (amd64, arm64)
systemd/245.4-4ubuntu3.2
Same bug in Ubuntu 22.04.4, to install virtualbox-7 fixed the problem.
Thanks
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https://bugs.launchpad.net/bugs/2073267
Title:
Virtualbox Guru meditation on VM start
I'm having a similar issue..
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.8/+bug/2077220
Using 'intel_iommu=igfx_off' has been fixed my problem
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Usually, Microcode SW error of iwlwifi happens to occur when the iwlwifi
driver doesn't match the FW.
For firmware, Focal uses linux-firmware 1.187.39, which has the newest
iwlwifi FW: iwlwifi-QuZ-a0-hr-b0-66.ucode (used by the machine reporting
the Microcode SW error.) as the upstream.
So we may
*** This bug is a duplicate of bug 2062951 ***
https://bugs.launchpad.net/bugs/2062951
** Description changed:
I used sudo apt-get upgrade in Ubuntu 22.04.4 .
Then karnel upgraded from 6.5.0-45.45~22.04.1 to 6.8.0-40.40~22.04.3.
Now I am facing problem to my external monitor(1920x1080),
*** This bug is a duplicate of bug 2062951 ***
https://bugs.launchpad.net/bugs/2062951
** This bug has been marked a duplicate of bug 2062951
Random flickering with Intel i915 (Gen9 GPUs) on Linux 6.8 (Ubuntu 24.04)
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*** This bug is a duplicate of bug 2062951 ***
https://bugs.launchpad.net/bugs/2062951
** This bug is no longer a duplicate of bug 2077220
(i915) external monitor flickering in 6.8.0-40.40~22.04.3
** This bug has been marked a duplicate of bug 2062951
Random flickering with Intel i915 (
*** This bug is a duplicate of bug 2062951 ***
https://bugs.launchpad.net/bugs/2062951
I agree, this looks like a duplicate of LP# 2062951 so I have marked it
as such.
** This bug has been marked a duplicate of bug 2062951
Random flickering with Intel i915 (Gen9 GPUs) on Linux 6.8 (Ubuntu
** Changed in: linux-bluefield (Ubuntu)
Assignee: (unassigned) => Bartlomiej Zolnierkiewicz (bzolnier)
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Title:
mlxbf_
Hi Ayush,
Thank you for taking the time to open this bug report.
Unfortunately there is not enough information for us to look into this
at the moment.
Please run the command "apport-collect 2077966" to collect and add
information to the ticket, and please try to describe the scenario a
little mo
All autopkgtests for the newly accepted linux-meta-lowlatency (5.15.0.121.110)
for jammy have finished running.
The following regressions have been reported in tests triggered by the package:
linux-lowlatency/5.15.0-121.131 (amd64, arm64)
Please visit the excuses page listed below and investiga
> But building a new kernel and switching to it without deeper
experience and a fallback would be too hard for me.
No need to build a new kernel. There are binaries in the link that was
posted above. You can grab some of those to try. Just note that you
need to turn off secure boot if you have i
Thanks Ian, I will submit this to the kernel team mailing list for
review.
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Title:
[SRU][HPE 24.04] Intel FVL NIC FW flash fails wit
From IRC (#ubuntu-release):
13:14 tjaalton: for bug 2060268, are there any cases where the
udev rule would be triggered but is the wrong thing to do? How certain
are we on that point?
13:14 tjaalton: presumably the Test Plan should specify testing
on particular hardware? That needs adjusting. B
** Description changed:
Since kernel 6.5, monitor brightness is set to 100%, and cannot be
changed: The brightness controls have disappeared from Settings, and
brightness doesn't respond to the keypad controls.
See the attached screenshot, showing the difference between the settings
i
Public bug reported:
Since kernel 6.8, the screen has been going black intermittently and
unpredictably for several seconds. Sometimes it happens several times in
a row over half a minute or so, and other times just once. It happens
regularly.
dmesg shows this type of error every time:
[ 7912.26
** Changed in: linux-firmware (Ubuntu)
Status: Triaged => Invalid
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https://bugs.launchpad.net/bugs/2076180
Title:
Add new firmwares for 6.8 hwe kernel
Stat
Sorry, I mixed up the Ubuntu version. It is also 22.04 on my side.
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https://bugs.launchpad.net/bugs/2077260
Title:
freeze after updating to newest kernel on
It apport-collect say:
$ apport-collect 2077260
Package linux-signed-hwe-6.8 not installed and no hook available, ignoring
So, it seems, it is not related to linux-signed-hwe.
But the behavior is really very similar as described above.
I will try to open a new report.
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I have an equal behavior but for Ubuntu 24.04.
So, it seems to be kernel version related.
Starts happening just after the last update some days ago (turned the
machine off for two days and only today on again).
I will try to add the logs via apport-collect.
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** Package changed: kernel-package (Ubuntu) => linux (Ubuntu)
** Also affects: ubuntu-power-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-power-systems
Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage
(ubuntu-power-triage)
** Changed in: ubuntu-p
You have been subscribed to a public bug:
== Comment: #0 - SEETEENA THOUFEEK - 2024-08-09 03:50:24
==
+++ This bug was initially created as a clone of Bug #206737 +++
---Problem Description---
L2 Guest migration: evelp2g4[L2]: while running NFS guest migration
continuously dumping smp_call_fun
Opened a new bug 2078041 for the UBSAN issue.
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Title:
[RTL8821CE] awful performance
Status in linux package in Ubuntu:
New
Bug d
This issue exists with the latest mainline kernel
(6.11.0-061100rc5-generic) as well.
[1.351669] i40e 0002:01:00.0: enabling device (0140 -> 0142)
[1.358950] [ cut here ]
[1.358963] UBSAN: array-index-out-of-bounds in
/home/kernel/COD/linux/drivers/scsi/aacraid
Public bug reported:
[Impact]
[ 38.630689] [ cut here ]
[ 38.630701] UBSAN: array-index-out-of-bounds in
/build/linux-Z1RxaK/linux-6.8.0/drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:1249:61
[ 38.630714] index 1 is out of range for type
'ATOM_P
This is reported against 6.5 which is EOL. Closing the bug. Please open
a new bug if you still see UBSAN errors with 6.8.
** Changed in: linux (Ubuntu)
Status: Confirmed => Won't Fix
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** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Oracular)
Importance: Undecided
Status: Confirmed
** Changed in: linux (Ubuntu Noble)
Status: New => Confirmed
** Changed in: linux (Ubuntu Noble)
Status: Conf
Public bug reported:
Issue found with Noble 6.8.0-41-generic on P9 node baltar.
[1.628868] i40e 0002:01:00.0: enabling device (0140 -> 0142)
[1.631444] [ cut here ]
[1.631460] UBSAN: array-index-out-of-bounds in
/build/linux-k1IV9m/linux-6.8.0/drivers/scsi/aac
The commit is now included in the 24.04 / noble kernel:
Ubuntu-6.8.0-44.44 (and newer)
which is currently in -proposed:
linux-generic | 6.8.0-44.44| noble-proposed| amd64, arm64,
armhf, ppc64el, s390x
Hence updating this ticket for noble to Fix Committed.
** Changed in: linux (Ubu
Thanks @acelankao <3
I can confirm the issue is fixed when upgrading to `sudo apt install
linux-oem-24.04` (upgrades to `6.8.0-1011-oem` in my case).
I had the same issue with a fresh Ubuntu 24.04 (kernel 6.8.0-41-generic)
and a completely new Dell XPS 13 9340 with the non-touch internal
display.
I have the same issue with Ubuntu 24.04 (kernel 6.8.0-41-generic) and a
Dell XPS 13 9340 with the non-touch internal display. External monitors
are no problem. The horizontal lines only appear when moving the mouse.
My hardware:
- Base: XPS 13 9340
- Processor: Intel(R) Core(TM) Ultra 7 Prozessor
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