Public bug reported:
Binary package hint: acpi
I just bought a brand new pc, a HP Pavilion a6150e that has an AMD
Athlon(tm) 64 X2 Dual Core Processor 4800+ processor in an Asus M2N68-LA
motherboard. When I boot with acpi enabled, my second core is not
recognized and the computer will not power off when shutdown.
To remedy this problem I have add "acpi=off apm=power_off" to the kernel
options in /boot/grub/menu.lst and "apm power_off=1" to /etc/modules.
This fixes both problems but then acpi is disabled and I can't utilize
utilities such as powernow for my AMD Athlon processor. According to
dmidecode, acpi is suppose to be supported.
Here is some general information:
[EMAIL PROTECTED]:~$ uname -rv
2.6.22-12-generic #1 SMP Sun Sep 23 18:11:30 GMT 2007
cat /proc/cpuinfo with ACPI:
[EMAIL PROTECTED]:~$ cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 107
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4800+
stepping : 1
cpu MHz : 1000.000
cache size : 512 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8legacy 3dnowprefetch
ts fid vid ttp tm stc 100mhzsteps
bogomips : 2011.01
clflush size : 64
cat /proc/cpuinfo without ACPI:
[EMAIL PROTECTED]:~$ cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 107
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4800+
stepping : 1
cpu MHz : 2511.520
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8legacy 3dnowprefetch
ts fid vid ttp tm stc 100mhzsteps
bogomips : 5027.88
clflush size : 64
processor : 1
vendor_id : AuthenticAMD
cpu family : 15
model : 107
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4800+
stepping : 1
cpu MHz : 2511.520
cache size : 512 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm
3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm extapic cr8legacy 3dnowprefetch
ts fid vid ttp tm stc 100mhzsteps
bogomips : 5023.16
clflush size : 64
** Affects: acpi (Ubuntu)
Importance: Undecided
Status: New
--
Second core in AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ not recognized
nor will pc power off when acpi enabled
https://bugs.launchpad.net/bugs/144533
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