Public bug reported:
[Impact]
ACPI error can be found in kernel message:
[ 3.717920] ACPI Error: No handler for Region [SYSI] (00000000ab9e62c5)
[IPMI] (20230628/evregion-130)
[Fix]
On Dell systems that have IPI0001 device, ensure IPMI region is ready
before acpi_power_meter invokes any ACPI method.
[Test]
With the patch applied, no such error can be found in kernel message.
acpi_power_meter sysfs also works correctly.
[Where problems could occur]
If asynchronous probe is disabled, the device drivers that probe after
acpi_power_meter needs to wait until the completion is done, hence the
boot time might be slower.
** Affects: linux (Ubuntu)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-6.5 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-6.5 (Ubuntu Jammy)
Importance: Medium
Status: Confirmed
** Affects: linux (Ubuntu Mantic)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-6.5 (Ubuntu Mantic)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Noble)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-6.5 (Ubuntu Noble)
Importance: Undecided
Status: Invalid
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Mantic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Noble)
Status: New => Confirmed
** Changed in: linux (Ubuntu Mantic)
Status: New => Confirmed
** Changed in: linux (Ubuntu Mantic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Noble)
Importance: Undecided => Medium
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Jammy)
Status: New => Won't Fix
** Also affects: linux-oem-6.5 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem-6.5 (Ubuntu Jammy)
Status: New => Confirmed
** Changed in: linux-oem-6.5 (Ubuntu Mantic)
Status: New => Invalid
** Changed in: linux-oem-6.5 (Ubuntu Noble)
Status: New => Invalid
** Changed in: linux-oem-6.5 (Ubuntu Jammy)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/2059263
Title:
Fix acpi_power_meter accessing IPMI region before it's ready
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