[Kernel-packages] [Bug 2074238] [NEW] Missing U.2 MVMe drives on Ubuntu 22.04 with disabled SR-IOV in the BIOS

2024-07-30 Thread acd
Public bug reported:

This is a configuration issue rather than an OS kernel or BIOS firmware
bug. Although, the symptom manifest only on Ubuntu OS (other Linux OSes
such as RHEL does NOT have this issue) with a disabled SR-IOV at the AMD
server's BIOS. Also, only AMD servers with GPU that are affected by this
issue.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

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Title:
  Missing U.2 MVMe drives on Ubuntu 22.04 with disabled SR-IOV in the
  BIOS

Status in linux package in Ubuntu:
  New

Bug description:
  This is a configuration issue rather than an OS kernel or BIOS
  firmware bug. Although, the symptom manifest only on Ubuntu OS (other
  Linux OSes such as RHEL does NOT have this issue) with a disabled SR-
  IOV at the AMD server's BIOS. Also, only AMD servers with GPU that are
  affected by this issue.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2074238/+subscriptions


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[Kernel-packages] [Bug 2074238] Re: Missing U.2 MVMe drives on Ubuntu 22.04 with disabled SR-IOV in the BIOS

2024-07-30 Thread acd
Workaround:
After SR-IOV was enabled in the BIOS, all U.2 NVMe drives are detectable by the 
OS kernel

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https://bugs.launchpad.net/bugs/2074238

Title:
  Missing U.2 MVMe drives on Ubuntu 22.04 with disabled SR-IOV in the
  BIOS

Status in linux package in Ubuntu:
  New

Bug description:
  This is a configuration issue rather than an OS kernel or BIOS
  firmware bug. Although, the symptom manifest only on Ubuntu OS (other
  Linux OSes such as RHEL does NOT have this issue) with a disabled SR-
  IOV at the AMD server's BIOS. Also, only AMD servers with GPU that are
  affected by this issue.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2074238/+subscriptions


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[Kernel-packages] [Bug 2038237] Re: VGA console displays black screen when installing Ubuntu 22.04 in UEFI mode

2023-10-10 Thread acd
Update to this issue:
The workaround is to enable the SR-IOV in the BIOS. But we are still 
investigating this issue since the problem does not manifest in RHEL or CentOS 
either in UEFI or Legacy mode. If there's someone who can explain what goin on, 
we really appreciate it. Thanks

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https://bugs.launchpad.net/bugs/2038237

Title:
   VGA console displays black screen when installing  Ubuntu 22.04 in
  UEFI mode

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When installing Ubuntu 22.04 via local USB or thru remote Virtual
  Media in UEFI mode, the VGA console display will displays black screen
  after "Enter" key is pressed to install Ubuntu OS server from grub
  menu.

  In Legacy/BIOS mode, everything works normal as expected.

  Here are the steps to reproduce:
  1. Install fresh Ubuntu 22.04LTS server edition (or even 20.04LTS server 
edition) on AMD (4th Gen EPYC) system that has NVidia H100 GPU over an Ubuntu 
bootable USB stick or thru Virtual Media mapped to an ISO image on a remote 
file server
  2. When the Ubuntu installer menu appears, press the keyboard Enter key, then 
the monitor will goes to black screen

  Actual results:
  The monitor screen will stay in black screen once installation of Ubuntu 
22.04 has started after pressing the enter key on the grub menu. 

  Expected results:
  The VGA monitor should display normally as expected during imnstallation and 
the server will bootup with the OS installed successfully.  

  Additional info:
  - The symptom does not manifest under BIOS legacy mode. Installation works 
fine with no problem.
  - The symptom does not appear If H100 GPU is removed from the server
  - The issue is only evident in AMD server with GPU and there's no problem 
with Intel based GPU server
  - Tried adding nomodeset in the kernel bot parameter, but problem persist 
  - Tried kernel 5.15.0-83-generic and 6.2.0-33-generic as mentioned in the bug 
report #1968519 on 2022-04-11, problem remains

To manage notifications about this bug go to:
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[Kernel-packages] [Bug 2038237] [NEW] VGA console displays black screen when installing Ubuntu 22.04 in UEFI mode

2023-10-02 Thread acd
Public bug reported:

When installing Ubuntu 22.04 via local USB or thru remote Virtual Media
in UEFI mode, the VGA console display will displays black screen after
"Enter" key is pressed to install Ubuntu OS server from grub menu.

In Legacy/BIOS mode, everything works normal as expected.

Here are the steps to reproduce:
1. Install fresh Ubuntu 22.04LTS server edition (or even 20.04LTS server 
edition) on AMD (4th Gen EPYC) system that has NVidia H100 GPU over an Ubuntu 
bootable USB stick or thru Virtual Media mapped to an ISO image on a remote 
file server
2. When the Ubuntu installer menu appears, press the keyboard Enter key, then 
the monitor will goes to black screen

Actual results:
The monitor screen will stay in black screen once installation of Ubuntu 22.04 
has started after pressing the enter key on the grub menu. 

Expected results:
The VGA monitor should display normally as expected during imnstallation and 
the server will bootup with the OS installed successfully.  

Additional info:
- The symptom does not manifest under BIOS legacy mode. Installation works fine 
with no problem.
- The symptom does not appear If H100 GPU is removed from the server
- The issue is only evident in AMD server with GPU and there's no problem with 
Intel based GPU server
- Tried adding nomodeset in the kernel bot parameter, but problem persist 
- Tried kernel 5.15.0-83-generic and 6.2.0-33-generic as mentioned in the bug 
report #1968519 on 2022-04-11, problem remains

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2038237

Title:
   VGA console displays black screen when installing  Ubuntu 22.04 in
  UEFI mode

Status in linux package in Ubuntu:
  New

Bug description:
  When installing Ubuntu 22.04 via local USB or thru remote Virtual
  Media in UEFI mode, the VGA console display will displays black screen
  after "Enter" key is pressed to install Ubuntu OS server from grub
  menu.

  In Legacy/BIOS mode, everything works normal as expected.

  Here are the steps to reproduce:
  1. Install fresh Ubuntu 22.04LTS server edition (or even 20.04LTS server 
edition) on AMD (4th Gen EPYC) system that has NVidia H100 GPU over an Ubuntu 
bootable USB stick or thru Virtual Media mapped to an ISO image on a remote 
file server
  2. When the Ubuntu installer menu appears, press the keyboard Enter key, then 
the monitor will goes to black screen

  Actual results:
  The monitor screen will stay in black screen once installation of Ubuntu 
22.04 has started after pressing the enter key on the grub menu. 

  Expected results:
  The VGA monitor should display normally as expected during imnstallation and 
the server will bootup with the OS installed successfully.  

  Additional info:
  - The symptom does not manifest under BIOS legacy mode. Installation works 
fine with no problem.
  - The symptom does not appear If H100 GPU is removed from the server
  - The issue is only evident in AMD server with GPU and there's no problem 
with Intel based GPU server
  - Tried adding nomodeset in the kernel bot parameter, but problem persist 
  - Tried kernel 5.15.0-83-generic and 6.2.0-33-generic as mentioned in the bug 
report #1968519 on 2022-04-11, problem remains

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2038237/+subscriptions


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