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Old March 10th, 2012, 02:53 AM
Ferny Ferny is offline
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Exclamation Is the dual core in the DGND3700 actually using its dual core?

Interestingly, having telneted into the DGND3700 and then having a quick dig around, I was expecting to see in /proc/cpuinfo a reference to a second core, but, all I found was:

Quote:
/proc # cat cpuinfo
system type : 96368MVWG
processor : 0
cpu model : BMIPS 4350 V3.1
BogoMIPS : 398.95
wait instruction : yes
microsecond timers : yes
tlb_entries : 32
extra interrupt vector : no
hardware watchpoint : no
ASEs implemented :
VCED exceptions : not available
VCEI exceptions : not available

unaligned exceptions : 4234
This was on 1.0.0.17 firmware, which is based on:
Linux version 2.6.21.5 (finerain@sunshine) (gcc version 4.2.3) #1 Fri Oct 21 08:04:47 CST 2011

Had a quick look through dmesg and all the usual places and still found no reference to a second cpu. Here I was assuming the kernel was setup as SMP. Maybe it is configured in a different way maybe SMT, but, not convinced.

Has anybody else discovered this? As the datasheet mentions dual core cpu I would atleast expect that the linux OS would be aleast configured for it!

I have had a quick dig around and no one else seems to mention this, even pulled the sources and had a quick dig through them. It looks like the MIPS cpu in the DGND3700 does not have SMP support in the netgear supplied sources, but, for later kernels from linux-mips.org do. Maybe we are due updated firmwre enabling this? (Along with other features such as IPv6, email with authenication etc etc)

Anyway, I may be wrong a about this, as I have only just bought this adsl router and have only just started to have a detailed look at it.

Please could someone confirm my findings or convince me that I am wrong.

Best Regards

Ferny
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