Public bug reported:
[Impact]
On some systems, Intel WiFi device may stop working after reboot.
[Fix]
Use ACPI S5 for reboot.
[Test]
2000 times of reboot stress, and Intel WiFi continues work on affected
system.
[Where problems could occur]
There was a bug introduced by this patch, but the user didn't want to
find the root cause. Since we have more control on Ubuntu kernel, we'll
fix the root cause properly this time.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Tags: oem-priority originate-from-1948635 somerville
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided => Medium
** Tags added: oem-priority originate-from-1948635 somerville
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https://bugs.launchpad.net/bugs/1951055
Title:
Reinstate ACPI S5 for reboot
Status in HWE Next:
New
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.14 source package in Focal:
Confirmed
Bug description:
[Impact]
On some systems, Intel WiFi device may stop working after reboot.
[Fix]
Use ACPI S5 for reboot.
[Test]
2000 times of reboot stress, and Intel WiFi continues work on affected
system.
[Where problems could occur]
There was a bug introduced by this patch, but the user didn't want to
find the root cause. Since we have more control on Ubuntu kernel, we'll
fix the root cause properly this time.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1951055/+subscriptions
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