What kind of hardware (processor, chip-set) are you using?
CPU: Core 2 Duo E4300@1.8GHz
Chipset: Intel MCP51 (see below for details !)
What is the result of the following commands?
cat /proc/cpuinfo
lspci -vv
cat /proc/interrupts
For example, my notebook with AMD Turion 64 processor on an ATI RS480
IXP SB400 chip-set running with acpi needs the kernel parameter
'nolapic' or the clock would stop in CPU power state C3.
Since my first e-mail "Clocksource tsc unstable (delta = 51799116882
ns)", I enabled ACPI in the mainboard bios (MSI P6N SLI Platinum), but I
don't reaalyknow anything about ACPI.
Before that, I had some ACPI related warning/error messages, it seems
they have disapered since I enabled ACPI.
Here are the results of the command you asked:
----------------------------------------------------------------------------------------------------------------------------------
cat /proc/cpuinfo:
----------------------------------------------------------------------------------------------------------------------------------
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU 4300 @ 1.80GHz
stepping : 2
cpu MHz : 1203.000
cache size : 2048 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 : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
constant_tsc arch_perfmon pebs bts pni monitor ds_cpl est tm2 ssse3 cx16
xtpr lahf_lm
bogomips : 3604.64
clflush size : 64
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU 4300 @ 1.80GHz
stepping : 2
cpu MHz : 1203.000
cache size : 2048 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 : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
constant_tsc arch_perfmon pebs bts pni monitor ds_cpl est tm2 ssse3 cx16
xtpr lahf_lm
Interrupt: pin A routed to IRQ 11
Region 4: I/O ports at 5000 [size=64]
Region 5: I/O ports at 6000 [size=64]
Capabilities: <access denied>
Kernel driver in use: nForce2_smbus
Kernel modules: i2c-nforce2
Latency: 0 (750ns min, 250ns max)
Interrupt: pin A routed to IRQ 20
Region 0: I/O ports at c800 [size=8]
Region 1: I/O ports at c480 [size=4]
Region 2: I/O ports at c400 [size=8]
Region 3: I/O ports at c080 [size=4]
Region 4: I/O ports at c000 [size=16]
Region 5: Memory at fbffd000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: sata_nv
Kernel modules: sata_nv
00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller
(rev a1) (prog-if 85 [Master SecO PriO])
Latency: 0 (750ns min, 250ns max)
Interrupt: pin A routed to IRQ 23
Region 0: I/O ports at bc00 [size=8]
Region 1: I/O ports at b880 [size=4]
Region 2: I/O ports at b800 [size=8]
Region 3: I/O ports at b480 [size=4]
Region 4: I/O ports at b400 [size=16]
Region 5: Memory at fbffc000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: sata_nv
Kernel modules: sata_nv
Latency: 0
Interrupt: pin A routed to IRQ 19
Region 0: Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
Region 1: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 3: Memory at fc000000 (64-bit, non-prefetchable) [size=16M]
[virtual] Expansion ROM at fe9e0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: nvidia
Kernel modules: nvidia, nvidiafb
02:00.0 Mass storage controller: Silicon Image, Inc. Sil 3531
[SATALink/SATARaid] Serial ATA Controller (rev 01)
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 17
Region 0: Memory at feaffc00 (64-bit, non-prefetchable) [size=128]
Region 2: Memory at feafc000 (64-bit, non-prefetchable) [size=8K]
Region 4: I/O ports at dc00 [size=128]
Capabilities: <access denied>
Kernel driver in use: sata_sil24
Kernel modules: sata_sil24
04:06.0 Ethernet controller: VIA Technologies, Inc. VT6105 [Rhine-III]
(rev 86)
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09-24-2008, 07:26 PM
Jörg-Volker Peetz
Clocksource tsc unstable (delta = 51799116882 ns)
Nicolas BERCHER wrote:
Thank you for your interest !
What kind of hardware (processor, chip-set) are you using?
CPU: Core 2 Duo E4300@1.8GHz
Chipset: Intel MCP51 (see below for details !)
So, it seems your problem is not related to mine. And, since you have a dual
core CPU, it needs the local apic, as far as I understand. The kernel parameter
I mentioned is not applicable in your case.
What is the result of the following commands?
cat /proc/cpuinfo
lspci -vv
cat /proc/interrupts
For example, my notebook with AMD Turion 64 processor on an ATI RS480
IXP SB400 chip-set running with acpi needs the kernel parameter
'nolapic' or the clock would stop in CPU power state C3.
Since my first e-mail "Clocksource tsc unstable (delta = 51799116882
ns)", I enabled ACPI in the mainboard bios (MSI P6N SLI Platinum), but I
don't reaalyknow anything about ACPI.
Before that, I had some ACPI related warning/error messages, it seems
they have disapered since I enabled ACPI.
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 CPU 4300 @ 1.80GHz
stepping : 2
cpu MHz : 1203.000
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
In the LOC line you can see the local timer interrupts. In case your system
slows down, maybe you could see some anomalies there or in the first line,
interrupt 0: "IO-APIC-edge timer", but I'm not an expert on this.
--
Regards,
Jörg-Volker.
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