Re: [MiNT] Daily freemint kernel builds

[Alan Hourihane <alanh@fairlite.co.uk>]

On Fri, 2010-01-15 at 12:30 +0200, Lars Schmidbauer wrote:
> Hi,
> 
> >> As the builds and my own test-archive (created on PC) don't work: On which
> >> system (software) are the builds
> >> created? And which system did Vincent use??
> 
> > I use the standard bzip2 from Cygwin 1.5 on Windows.
> 
> > Other test:
> > I have downloaded this:
> > http://www.fairlite.demon.co.uk/FreeMiNT/builds/freemint/helmut-13012010.tar.bz2
> 
> > $ md5sum -b helmut-13012010.tar.bz2
> > 7a7e04332994487603986e17a0fc3365 *helmut-13012010.tar.bz2
> 
> Correct- same checksum here:
> 
> $ md5sum -b /h/helmut-13012010.tar.bz2
> 7a7e04332994487603986e17a0fc3365 */h/helmut-13012010.tar.bz2
> 
> > The standard bunzip2 1.0.2 from SpareMiNT uncompress it without any problem.
> 
> > If it does not work for you, consider checking your drives with fsck or
> > similar tools.
> > Your problem may come from your disk, RAM, kernel... who knows.
> 
> I found out more: When try to COMPRESS helmut-xxx.tar on Falcon (previously
> decompressed on PC/ transferred as .tar), bzip2 shows:
> 
> " bzip2/libbzip2: internal error number 1007.
> Experience suggests that a common cause of i.e. 1007
> is unreliable memory or other hardware.  The 1007 assertion
> just happens to cross-check the results of huge numbers of
> memory reads/writes, and so acts (unintendedly) as a stress
> test of your memory system."
> 
> One time this occured:
> 
> "bzip2: Caught a SIGSEGV or SIGBUS whilst compressing."
> 
> Compressing or decompressing of smaller archives (like Vincent's bzip2 or
> bash-3.2) works without problems; larger archives (Vincent's coreutils or
> the freemint builds) stops with error.
> 
> So it seems to be a memory problem (like you suggested).
> - Falcon/CT60 runs stable at 100 MHz
> - SDRAM 128 MByte/PC-100 64bit unbuffered Infineon
> - STRAM 14 MB
> - $free shows "129261568 bytes (126232K) free", TeraDesk shows "Free RAM:
>   ST: ~12.5 MB, FastRAM: ~116 MB"
> - NEMBENCH.TOS shows no error (and good speed)
> 
> How can i test my SDRAM and ST-RAM with MinT (although i never had memory problems before)?
> What else can i test?

I'd drop your CT60 speed to 90MHz to see if that helps.

I have two and never been able to run consistently stable above 90MHz.

Alan.