Public bug reported:
On my new PC something is wrong with ACPI support under Linux. I have to
boot it with acpi=off and nolapic, without any of those two system won't
boot. (As a side effect it detects only one CPU core and won't shut down
completely, I have to hold power button for few seconds to power PC
off.)
My configuration:
Ubuntu 12.04 (upgraded from 11.10)
Processor AMD FX(tm)-4100 Quad-Core
RAM 8,00 GB
Graphic Gigabyte GV-N56GOC-1GI (NVIDIA GeForce GTX 560)
Mainboard Gigabyte GA-870A-USB3
Disk ATA OCZ-AGILITY3 (SSD)
According to https://wiki.ubuntu.com/DebuggingACPI I tried booting it
with acpi=ht (also with acpi=ht AND nolapic), but not to avail. Quote:
'If acpi=off works and acpi=ht fails, then the issue is in the ACPI
table parsing code itself, or perhaps the SMP code. '
I will also attach files mentioned on the DebuggingACPI wiki page.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1007508
Title:
ACPI bug in Precise (generic kernel 3.2.0.24.26)
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