Source: https://www.kernel.org/doc/Documentation/memory-hotplug.txt
How to online memory
When the memory is hot-added, the kernel decides whether or not to "online"
it according to the policy which can be read from "auto_online_blocks" file::
% cat
I have not been able to recreate this issue. I was able to install an
R760 with 24.04 with and without enabling openssh during an install
using the Virtual Media. Can you try the latest daily build image that
was released today?
https://cdimage.ubuntu.com/ubuntu-server/daily-live/pending/
--
This issue can be reproducible on 16G Platform also and below are the
possible workarounds found during the experiments on 16G Platform.
1. During Installation of Ubuntu 24.04 when we disable/exclude []
Openssh server package issue won't be reproduced. After reboot and
installing openssh server
** Changed in: linux (Ubuntu)
Importance: Undecided => Critical
** Also affects: linux (Ubuntu Noble)
Importance: Critical
Status: New
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** Description changed:
[Impact]
This update has been initiated to include a few critical bug fixes from
upstream into the upcoming 22.04.04 point kernel. Below are the upstream
commit IDs:
[Fix]
0938f9fa4208 scsi: megaraid_sas: Driver version update to 07.727.03.00-rc1
Hi Chandrakanth,
Thank you for filing is the requested fields. I have one more request,
can you also add what the regression risk will be? This will be
included under [ Where problems could occur ].
Thanks,
Michael
** Description changed:
[Impact]
This update has been initiated to
Hi Chandrakanth,
Thank you for testing the test kernels. Can you also fill in these
fields for the SRU process? I need that information when submitting
these to the mailing list.
[Test Plan]
[ Where problems could occur ]
[ Other Info ]
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All of these patches are in the latest master-next noble kernel.
git describe --tags
Ubuntu-6.8.0-11.11-1-g04cdb2da2df3
** Changed in: linux (Ubuntu Noble)
Status: Confirmed => Fix Committed
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This is a public version of the following bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2053224
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https://bugs.launchpad.net/bugs/2046875
Title:
[22.04.04]:
This is a public version of the following bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2053224
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https://bugs.launchpad.net/bugs/2046722
Title:
I have created tests kernels for both Jammy and Mantic. Please test and
provide feedback.
Jammy
https://people.canonical.com/~mreed/misc/lp_2046722_megaraid_sas_update/jammy/
Mantic
https://people.canonical.com/~mreed/misc/lp_2046722_megaraid_sas_update/mantic/
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These patches are already in 6.8
** Summary changed:
- [22.04.04]: megaraid_sas: Critical Bug Fixes
+ [SRU][22.04.04]: megaraid_sas: Critical Bug Fixes
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Michael Reed (mreed8855)
** Also affects: linux (Ubuntu Mantic)
Importa
Hi Chandrakanth,
Can you also fill in these fields for the SRU process in addition to
testing the test kernels
[Test Plan]
[ Where problems could occur ]
[ Other Info ]
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** Description changed:
+ [Impact]
+
This update has been initiated to include a few critical bug fixes from
upstream into the upcoming 22.04.04 point kernel. Below are the upstream
commit IDs:
+
+ [Fix]
0938f9fa4208 scsi: megaraid_sas: Driver version update to 07.727.03.00-rc1
I have verified that all of the patches listed in the description are
indeed in the currently 6.8 proposed kernel and should be in 24.04.
$ git describe --tags
Ubuntu-6.8.0-11.11-1-g04cdb2da2df3
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Jammy)
Assignee: (unassigned) => Michael Reed (mreed8855)
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/202
In the latest branch CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is no longer
disabled
https://code.launchpad.net/~mreed8855/ubuntu/+source/linux/+git/jammy/+ref/lp_2028158_device_dax_2
** Description changed:
[Impact]
Description of problem:
Observed device_dax related probe errors in dmesg
** Description changed:
[Impact]
When enabling VMD in UEFI setup, OS cannot boot successfully. And, the panic
leads to the system reboot. The following log is shown:
[ 166.605518] DMAR: VT-d detected Invalidation Queue Error: Reason f
[ 166.605522] DMAR: VT-d detected Invalidation
Here is the test kernel for Mantic
https://people.canonical.com/~mreed/cisco/lp_2036777/mantic/
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https://bugs.launchpad.net/bugs/2036777
Title:
[SRU] Fnic driver on needs
These patches were also needed.
924cb24df4fcscsi: fnic: Stop using the SCSI pointer
b559b99a5c081 scsi: fnic: Replace DMA mask of 64 bits with 47 bits
** Description changed:
[Impact]
fnic_clean_pending_aborts() was returning a non-zero value
irrespective of failure or success.
I created a 6.2 test kernel for Lunar.Please test
https://people.canonical.com/~mreed/lenovo/lp_2020022_vmd/lunar/12062023/
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** Changed in: linux (Ubuntu Noble)
Status: Incomplete => Fix Released
** Changed in: linux (Ubuntu Mantic)
Status: Incomplete => In Progress
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** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Assignee: Jeff Lane (bladernr)
Status: Fix Released
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Here is a test kernel for Jammy.
https://people.canonical.com/~mreed/cisco/lp_2036777/
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Assignee: Michael Reed (mreed8855)
Status: Incomplete
** Changed in: linux (Ubuntu Jammy)
Status: New => Invalid
** Chan
This patch is also needed for a clean build.
3d8fa78ebd61 scsi: scsi_transport_sas: Add 22.5 Gbps link rate
definitions
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https://bugs.launchpad.net/bugs/2029905
Title:
Here is the test kernel.
https://people.canonical.com/~mreed/dell/lp_2029905_mpi3mr/
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Title:
[Ubuntu] mpi3mr: Include the latest
The first patch is already in Jammy
commit 06adda263bd3776b019f282318efe18dd5bfa173
Author: Karan Tilak Kumar
Date: Thu Jul 27 12:39:19 2023 -0700
scsi: fnic: Replace return codes in fnic_clean_pending_aborts()
BugLink: https://bugs.launchpad.net/bugs/2038382
commit
** Summary changed:
- [SRU] Fnic driver on needs to be updated to 1.6.0.57 on Focal
+ [SRU] Fnic driver on needs to be updated to 1.6.0.57 on Jammy
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** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Michael Reed (mreed8855)
** Also affects: linux (Ubuntu Mantic)
Importance: Undecided
Assignee: Michael Reed (mreed8855)
Status: Incomplete
** Also affects: linux (Ubuntu Lunar)
Importance: Undecided
Sta
** Description changed:
[Impact]
Description of problem:
Observed device_dax related probe errors in dmesg when HBM CPU is set to
flat mode. Duplicate device_dax ids were created and hence probing is
failing.
How reproducible:
Frequently
Version-Release
Release:
tate":"disabled"
},
{
"chardev":"dax3.0",
"size":"64.00 GiB (68.72 GB)",
"target_node":3, > Duplicate device
"align":2097152,
"mode":"devdax",
sudo apt-cache search linux-generic-hwe
linux-generic-hwe-20.04 - Complete Generic Linux kernel and headers (dummy
transitional package)
linux-generic-hwe-20.04-edge - Complete Generic Linux kernel and headers (dummy
transitional package)
linux-generic-hwe-22.04 - Complete Generic Linux kernel
I have created a test kernel can anyone provide feedback?
https://people.canonical.com/~mreed/misc/lp_1988711_lpfc_14_2_0_5/
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https://bugs.launchpad.net/bugs/1988711
Title:
** Description changed:
[Impact]
Currently Ubuntu kernel has this kernel config disabled.
But in some cases, Intel's Sapphire Rapids High Bandwith
Memory (SPR-HBM) needs this option.
Memory bandwidth has been a bottleneck of increasingly memory bound
workloads. Sapphire Rapids
Hi Keng-Yu,
Here is a test kernel for lunar. I had only included the source before
and not the debs. Can you please test and verify the config_numa_emu
option works and provides the performance boost.
https://people.canonical.com/~mreed/hpe/lp_2008745_config_numa_emu/lunar/
** Description
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
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https://bugs.launchpad.net/bugs/1998643
Title:
smartpqi: Update 22.04 driver to include
Hi Gerry,
This is in our currently SRU cycle. https://kernel.ubuntu.com/If
everything goes smoothly then the target release date is June 5.
However, that is not guaranteed. I would not notify any of your
customers about the driver until it actually gets released.
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Hi Don,
These patches are currently in the proposed kernel (linux:
5.15.0-74.81). Can you test them in the proposed kernel and verify they
are working properly.
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This has been ack'ed by the kernel team and will need to be tested once
it hits the proposed kernel.
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Title:
smartpqi: Update 22.04
Hi Ketan,
Currently the reverted patches have already been pulled into our master-
next kernel because they are apart of the upstream kernel. Cherry
picking the affected patches on top of those causes all types of issues.
We need a solution with those reverted patches in place. Can you
provide
Hi Ketan,
Are you stating that I should not apply the Revert patches at all?
Revert "scsi: lpfc: SLI path split: Refactor lpfc_iocbq"
Revert "scsi: lpfc: SLI path split: Refactor fast and slow paths to native SLI4"
Revert "scsi: lpfc: SLI path split: Refactor SCSI paths"
Revert "scsi: lpfc: Fix
Hi Ketan,
I found that the following patches are currently in our tree and revert the
patches listed below.
Revert
Revert "scsi: lpfc: SLI path split: Refactor lpfc_iocbq"
Revert "scsi: lpfc: SLI path split: Refactor fast and slow paths to native SLI4"
Revert "scsi: lpfc: SLI path split:
** Changed in: linux (Ubuntu Jammy)
Status: Incomplete => In Progress
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Title:
smartpqi: Update 22.04 driver to include
Hi Don,
I have created a test kernel based on this branch
https://code.launchpad.net/~mreed8855/ubuntu/+source/linux/+git/jammy/+ref/smartpqi_2204_3
Test Kernel
https://people.canonical.com/~mreed/misc/lp_1998643_smartpqi/
Can you please test it?
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** Description changed:
[Impact]
These patches provide bug fixes and add support for the latest generation of
OEM PCI devices to ensure customers are able to use Jammy on the recent
generations of server hardware. This will bring us in line with the other major
linux distros.
[Fix]
Hi Don,
I re-added this patch "(64fc9015fbeb scsi: smartpqi: Switch to attribute
groups)" as it fixed the issues with cherry picking. The need to verify
that I need to add this and remove the .attr suffix? This currently
builds and it is in the 5.19 kernel as is. I just need to verify that
I
** Description changed:
SRU Justification:
[Impact]
Please pick up the latest hpwdt from the upstream 6.1 kernel for Jammy.
This version enables hpwdt on RL300 aarch64.
[Fix]
ed835d8171fc watchdog/hpwdt: Include nmi.h only if CONFIG_HPWDT_NMI_DECODING
891862d5ba11
Hi Don,
Here are the changes I made to the second patch
c1ea387d998a scsi: smartpqi: Stop using the SCSI pointer
drivers/scsi/smartpqi/smartpqi_init.c
@@ -7256,8 +7265,9 @@ static struct scsi_host_template pqi_driver_template = {
.slave_alloc = pqi_slave_alloc,
.slave_configure
Hi Don,
Here are the changes I made to adjust/backport the first patch. Is this
correct?
2a47834d9452 scsi: smartpqi: Enable SATA NCQ priority in sysfs
drivers/scsi/smartpqi/smartpqi_init.c
@@ -7126,15 +7234,18 @@ static DEVICE_ATTR(sas_address, 0444,
pqi_sas_address_show, NULL);
static
Hi Don,
I have 2 patches that do not cherry-pick cleanly to the jammy kernel
based on master-next tags.
git describe --tags
Ubuntu-5.15.0-72.79-43-gc85205fa6c05
2a47834d9452 scsi: smartpqi: Enable SATA NCQ priority in sysfs
c1ea387d998a scsi: smartpqi: Stop using the SCSI pointer
--
You
Hi Keng-Yu,
In comment #4, you mentioned there was an improvement in the performance
on the Sapphire Rapids CPU with HBM, how exactly did you quantify that?
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** Description changed:
[Impact]
Currently Ubuntu kernel has this kernel config disabled.
But in some cases, Intel's Sapphire Rapids High Bandwith
Memory (SPR-HBM) needs this option.
Memory bandwidth has been a bottleneck of increasingly memory bound
workloads. Sapphire Rapids
Hi Laurie,
This update is in the Kinetic (5.19) kernel. It has not made it into
Jammy 5.15 yet.
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Title:
Update Broadcom Emulex FC
** Changed in: linux (Ubuntu Kinetic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
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** Changed in: linux (Ubuntu Kinetic)
Assignee: (unassigned) => Michael Reed (mreed8855)
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => Michael Reed (mreed8855)
** Description changed:
[Impact]
+
Currently Ubuntu kernel has this kernel config disabled.
- But in some c
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
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Title:
[SRU][Ubuntu 22.04.1] mpi3mr: Add
I created, built and tested the patch for Kinetic.
https://code.launchpad.net/~mreed8855/ubuntu/+source/linux/+git/kinetic/+ref/lp_2008527_dapc_kinetic
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** Description changed:
SRU Justification:
[Impact]
A Dell system that has a profile setting of "Performance Per Watt
(DAPC)" enabled in the BIOS and running Ubuntu-22.04 does not boot into
OS as quickly as expected.
How reproducible:
Steps to Reproduce:
1. On the
/~mreed8855/ubuntu/+source/linux/+git/kinetic/+ref/lp_2008751_hpwdt_kinetic
** Changed in: linux (Ubuntu Kinetic)
Status: New => In Progress
** Changed in: linux (Ubuntu Kinetic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Kinetic)
Assignee: (unassigned) =>
** Also affects: linux (Ubuntu Kinetic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Lunar)
Importance: Medium
Assignee: Michael Reed (mreed8855)
Status: Incomplete
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** Changed in: linux (Ubuntu Kinetic)
Assignee: (unassigned) => Michael Reed (mreed8855)
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Title:
[SRU]With "Perform
This needs to be backported to 5.19 first before 5.15. I will generate a
test kernel for kinetic.
** Also affects: linux (Ubuntu Kinetic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Kinetic)
Importance: Undecided => Low
** Changed in: linux (Ubuntu Kinetic)
This needs to be backported to 5.19 first before 5.15. I will generate
a test kernel for kinetic
** Also affects: linux (Ubuntu Kinetic)
Importance: Undecided
Status: New
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** Description changed:
SRU Justification:
[Impact]
Please pick up the latest hpwdt from the upstream 6.1 kernel for Jammy.
This version enables hpwdt on RL300 aarch64.
[Fix]
ed835d8171fc watchdog/hpwdt: Include nmi.h only if CONFIG_HPWDT_NMI_DECODING
891862d5ba11
Dell has stated that this has been tested on systems with both AMD and
Intel CPU's
mproved boot up time in Performance Per Watt (DAPC) before/after boot
times results,
With PATCH
# systemd-analyze
Startup finished in 13.569s (kernel) + 9.136s (userspace) = 22.705s
HPE has tested this and hasn't seen any issues.
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
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Title:
There appears to be a patch set that fixes this issue but I do not think
it has been accepted upstream yet.
https://lore.kernel.org/lkml/167429456532.4906.14087166098724750776.tip-
bot2@tip-bot2/T/
If you search for "SPR MCC" the explanation for this issue is under the 3rd
occurrence.
Mao,
Partial Dmesg log
Jan 4 07:49:51 proven-gnu kernel: [4.202465] WARNING: CPU: 64 PID: 1 at
arch/x86/events/intel/uncore_discovery.c:184 uncore_insert_box_info+0x134/0x350
Jan 4 07:49:51 proven-gnu kernel: [4.202474] Modules linked in:
Jan 4 07:49:51 proven-gnu kernel: [4.202478]
I opened a similar issue that I will close because this is a kernel
issue.
https://github.com/canonical/checkbox/issues/312
The following kernel warning causes this warning:
WARNING: CPU: 64 PID: 1 at arch/x86/events/intel/uncore_discovery.c:184
uncore_insert_box_info+0x134/0x350
The kernel
I have created a test kernel. Please test.
https://people.canonical.com/~mreed/hpe/lp_2008745_config_numa_emu/
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Title:
[SRU] Intel
I have created an arm64 test kernel at the following link:
https://people.canonical.com/~mreed/hpe/lp_2008751_hpwdt/
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Title:
[SRU]
nce: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Michael Reed (mreed8855)
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => Michael Reed (mreed8855)
HP_WATCHDOG for ARM64 systems.
[Test Plan]
[Where Problems Could Occur]
[Other Info]
https://code.launchpad.net/~mreed8855/ubuntu/+source/linux/+git/jammy/+ref/lp_1998544_hpwdt
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Michael Reed (mreed8855)
Status: In Progress
Public bug reported:
[Impact]
On Ubuntu, it gets the error of "Device or resource busy."
fuser shows that the kernel thread "kdevtmpfs" is occupying the HBMs.
I tried to build a kernel without CONFIG_DEVTMPFS set.
But it got stuck in initramfs
If it is possible, please get this issue a quick
HPC-and-AI-
Applications-for/post/1335100
[Fix]
[Test Plan]
[Where problems could occur]
The regression risk is low
[Other Info]
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Michael Reed (mreed8855)
Status: Incomplete
** Affects: linux (Ubuntu Jammy)
Importance:
** Summary changed:
- [SRU]When system profile is set to "Performance per Watt (DAPC)" in BIOS,
Bootup time is taking longer than expected
+ [SRU]With "Performance per Watt (DAPC)" enabled in the BIOS, Bootup time is
taking longer than expected
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** Description changed:
SRU Justification:
[Impact]
- When system profile is set to "Performance Per Watt (DAPC)" using BIOS
- setting, then install Ubuntu-22.04 and boot into OS then check the
- bootup time.
+ A Dell system that has a profile setting of "Performance Per Watt
+ (DAPC)"
** Description changed:
SRU Justification:
[Impact]
When system profile is set to "Performance Per Watt (DAPC)" using BIOS
setting, then install Ubuntu-22.04 and boot into OS then check the
bootup time.
How reproducible: Always
Steps to Reproduce:
1. Set system
I have tested test kernel
https://people.canonical.com/~mreed/dell/lp_1999883_dapc/. and i can
able to see reduced bootup time.
No other issues observed.
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If there is more CPU cores then OS booting is taking more time to boot
the OS, and then applied below patch and checked OS booting time is
reducing 10sec in 192C CPU.
I would request you to please consider this patch into Ubuntu-22.04 so
that we can see faster os booting when cpu core count is
I have created a test kernel can you test it and provide feedback?
https://people.canonical.com/~mreed/dell/lp_1999883_dapc/
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https://bugs.launchpad.net/bugs/2008527
Title:
erformance Per Watt (DAPC)" from BIOS setting
2. Install Ubuntu-22.04
3. Boot into OS
4. Check the bootup time
[Where problems could occur]
Regression risk: low to medium.
[Other Info]
** Affects: linux (Ubuntu)
Importance: Low
Assignee: Michael Reed (mreed8855)
Status:
t; Medium
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => Michael Reed (mreed8855)
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Title:
[SRU][Ubuntu 22.04.1]
** Description changed:
SRU Justification:
[Impact]
Request to include below mpi3mr driver bug fix patches in Ubuntu
22.04.1(5.15 kernel). These patches got accepted by the upstream and
please find the corresponding commit IDs as below:
f304d35e5995 scsi: mpi3mr: Update
This has been Acked on the kernel team mailing list
https://lists.ubuntu.com/archives/kernel-team/2023-February/137062.html
When this hits proposed please verify it works.
** Tags added: verification-needed-focal
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Hi Colin,
I have attached a test run that reproduces this issue on Focal. The
dmesg file is located in the following location:
attachment_files/com.canonical.certification__dmesg_attachment
** Attachment added: "submission_201902-26829_297719.tar.xz"
** Summary changed:
- Intel E810 NICs driver in causinghangs when booting and bonds configured
+ Intel E810 NICs driver in causing hangs when booting and bonds configured
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** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1986717
Title:
[SRU]Update ice driver to support E823 devices
** Description changed:
SRU Justification:
- Impact:
+ [Impact]
Ice driver does not support E823 in 5.4. This was introduced in 5.7, but is
part of the Ice Lake D platform which is otherwise supported in 5.4. One of
the hardware vendors has requested that we update Ice in 5.4 to
** Summary changed:
- Update ice driver to support E823 devices
+ [SRU}Update ice driver to support E823 devices
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Assignee: (unassigned) => Michael Reed (mreed8
** Description changed:
SRU Justification:
[Impact]
Request to include below mpi3mr driver bug fix patches in Ubuntu
22.04.1(5.15 kernel). These patches got accepted by the upstream and
please find the corresponding commit IDs as below:
ed567615f7ec scsi: mpi3mr: Fix build
** Description changed:
+ SRU Justification:
+
+ [Impact]
+
Request to include below mpi3mr driver bug fix patches in Ubuntu
22.04.1(5.15 kernel). These patches got accepted by the upstream and
please find the corresponding commit IDs as below:
ed567615f7ec scsi: mpi3mr: Fix build
** Summary changed:
- [Ubuntu 22.04.1] mpi3mr: Add management application interface(BSG) support
+ [SRU][Ubuntu 22.04.1] mpi3mr: Add management application interface(BSG)
support
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** Changed in: linux (Ubuntu)
Status: Incomplete => In Progress
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https://bugs.launchpad.net/bugs/1986717
Title:
Update ice driver to support E823 devices
Status in
** Description changed:
SRU Justification:
Impact:
Ice driver does not support E823 in 5.4. This was introduced in 5.7, but is
part of the Ice Lake D platform which is otherwise supported in 5.4. One of
the hardware vendors has requested that we update Ice in 5.4 to support E823.
I have created a test kernel. Please test it and provide feedback.
https://people.canonical.com/~mreed/misc/lp_1986717_e823/
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https://bugs.launchpad.net/bugs/1986717
I tried cherry picking e36aeec0f4e5 ice: add support for E823 devices to
5.4 and manually resolved 2 of the 3 files that need changes. The third
file drivers/net/ethernet/intel/ice/ice_nvm.c has too many changes that
are missing. I need Intel to provide additional patches to resolve the
issue.
** Description changed:
[Impact]
Ubuntu 22.04 host fails to reconnect successfully to the NVMe TCP target
after link down event if the number of queues have changed post link down.
[Fix]
Following upstream patch set helps address the issue.
1.
nvmet: Expose max queues to
rom commit 1aa529d400253eda76733dbb95b62f6cca7b274a)
Signed-off-by: Michael Reed
commit 3511175b43b74a055ff26a95ba4dbf66f6b068b3
Author: Sumit Saxena
Date: Fri Apr 29 17:16:41 2022 -0400
scsi: mpi3mr: Update driver version to 8.0.0.69.0
^C
ubuntu@toadsworth:~/code_bsg/latest_08/
** Tags added: verification-done-jammy
** Description changed:
[Impact]
Request to include below mpt3sas driver bug fix patches in Ubuntu 22.04
kernel. These patches got accepted by the upstream and please find the
corresponding commit IDs as below,
5db207d66d mpt3sas: Fix incorrect
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