Disable C1E of GA-870A-USB3 AMD FX-6300 hw config
My Ubuntu box is:
Mobo: Gigabyte GA-870A-USB3
Chipset:North Bridge:AMD 870, South Bridge AMD SB850
CPU: AMD Phenom II X2 560
RAM: Kingmax DDR3 1333MHz 4*4GByte
Display card: Asus EAH5450 Silent/DI/512MD2/LP-HD5450
BIOS:PnP 1.0a, DMI 2.0, SMBIOS 2.4 ACPI 1.0b and AWARD licenced
Kernel: Linux 4.15.0-47-generic
OS: Ubuntu 18.04.2 LTSEverything was perfect for about 8 years long until now when I changed the CPU to AMD FX-6300.
I upgraded my BIOS to F5h version according to the manufacturer
The new F5h version of BIOS and the old Phenom CPU could work with the above Linux perfectly.
But when CPU was changed to FX-6300 and I used the safety default in the CMOS, only the GRUB could started and its menu was OK, but the kernel was frozen even if I tried to use some command line kernel parameter (acpi=off nolapic) in grub menu.
So I couldn't start the kernel with the new FX-6300 CPU at all,
until I turned off C1E option in the BIOS according to the
second workaround of this (old dated 2012) bug report:
I put some file on this link (my google drive)
Two files from journal of systemd:
1 Unable_to_Boot_acpi_off_nolapic_C1E_enabled
2 Able_to_Boot_C1E_disabledAnd output of
dmidecode
lshw
lspci
/proc/cpuinfo(My second experiment was installing win 7 onto the second part of an SSD and it worked perfectly with enabled C1E.)
Even though I have read something about the DMI, SMBIOS can somebody tell me what can be the root problem? As I see Gigabyte has finished the BIOS update for this mobo at 2013, is there any possibility for a more compatible kernel version?
And especially I would interest what are the disadvanteges of this workaround of disabling the C1E in BIOS ??
I would like to know whether, despite the disadvantages, if I would stay with the new CPU fx-6300.
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