This bug is awaiting verification that the linux-oem-6.11/6.11.0-1023.23
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-noble-linux-oem-6.11' to 'verification-done-
noble-linux-oem-6.11'. If the problem still exists, change the tag
'verification-needed-noble-linux-oem-6.11' to 'verification-failed-
noble-linux-oem-6.11'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-noble-linux-oem-6.11-v2 
verification-needed-noble-linux-oem-6.11

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https://bugs.launchpad.net/bugs/2110090

Title:
  System will restart while resuming with SATA HDD or nvme installed
  with password set

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  Invalid
Status in linux-oem-6.11 package in Ubuntu:
  Invalid
Status in linux source package in Noble:
  In Progress
Status in linux-oem-6.11 source package in Noble:
  Fix Committed
Status in linux source package in Plucky:
  In Progress
Status in linux-oem-6.11 source package in Plucky:
  Invalid

Bug description:
  [Impact]
  The BIOS PCI device configuration and restoration during modern standby 
resume will check the ACPI function _REG value, expecting it to be 
0x2(PCI_Config), and it returned by the operating system.

  The Windows will return 0x2 (PCI_Config) and than PCI device
  configuration and restoration function will completely, But the Ubuntu
  return 0x3 (EmbeddedControl) which cause SATA HDD password unlock
  function to not work during Modern Standby resume.

  [Fix]
  The commit which will be included in v6.16 explicitly set all devices into D0 
during initialization, so that _REG method works as expected.
  https://lore.kernel.org/all/20250424043232.1848107-1-supe...@kernel.org/
  4d4c10f763d78 PCI: Explicitly put devices into D0 when initializing

  [Test]
  1. Install ubuntu 2404 on any machine(the issue has been found on Dell Pro 
Micro Mini PC with AMD Ryzen Processors), and enabled SATA HDD password.
     1.1 connect SATA HDD on system
     1.2 press F2 enter BIOS menu
     1.3 choose the menu “Passwords“ in the left side
     1.4 setup passowrd in “Internal HDD Passward“
     1.5 save setting and boot into OS
  2. After resume from suspend with w/ SATA HDD installed and hdd password set.
  3. The machine should keep working and the SATA HDD could be accessed

  [Where problems could occur]
  It's trivial to set the device to D0 state while iniailizing, I don't see it 
could lead to any regression.

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