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[ts-7000] Re: TS7500: setup inconsistent & memory problem

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Subject: [ts-7000] Re: TS7500: setup inconsistent & memory problem
From: "naturalwatt" <>
Date: Sun, 20 Nov 2011 13:58:22 -0000
I have seen cp: memory exhausted and it was due to a read-only file system.

The error message is far from obvious, and it may not be the cause in your case.

No idea on the floating point exception.

Martin


--- In  "tarmip" <> wrote:
>
> I have 2 TS7500 boards.
> 
> Board #1 is set up with the development kit. 
> - I usually use Hyperterm to communicate with it over the Serial Port.
> - It's the one I compile on. 
> - I'll also telnet or ftp to it over the ethernet
> 
> Board #2 is set up getting it's power from a custom designed board.
> - I'm trying to keep it set up as "pristine" as possible so that only the 
> necessary setup has been done to it.
> - Communication with it is done via telnet or ftp over the ethernet
> 
> Both are booting from the SD card.  I am NOT a linux expert.
> 
> I have two things I have noticed different between the 2 boards.
> 
> 1) The following code segment: 
>         double nowtime;
>         struct timeval tp;
>         struct timezone tzp;
>         gettimeofday(&tp,&tzp);
>       nowtime = tp.tv_usec / 1000000.0F;
>         nowtime += tp.tv_sec;
> FAILS with a Floating Point exception at the 2nd to last line on Board #2, 
> but not on Board #1.   I have fixed the code so that it doesn't cause a 
> floating point exception - but it still bothers me the inconsistency.
> 
> 2) More troubling:
>    On Board #2: If I try coping (even a small file) I get
> cp: memory exhausted
> 
> This happens even it's pretty much the first thing I do after a reboot.
> 
> Board #1: which doesn't have any problem compiling, copying files around, 
> etc: 
> # free -m
>              total       used       free     shared    buffers     cached
> Mem:            61         60          1          0          5         41
> -/+ buffers/cache:         13         48
> Swap:            0          0          0
> 
> Board #2: which has the problem: 
> 
> # free -m
>              total       used       free     shared    buffers     cached
> Mem:            61         45         16          0         12         21
> -/+ buffers/cache:         11         49
> Swap:            0          0          0
> 
> 
> I really don't know how to proceed - any help or pointers would be 
> appreciated.
>




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