FreeBSD on MPC8349 (e300 core)
Marek Woloszyn
Marek.Woloszyn at comp-css.pl
Thu Jul 10 09:42:19 UTC 2008
<div class="moz-text-flowed" style="font-family:
-moz-fixe lang="x-central-euro">Peter Grehan wrote:<br><blockquote type="cite">Hi
Marek,<br>< FreeBSD 6.3 running on (e300<br>core).<br></blockquote> <br> Excellent !<br><br><blockquote
type="cit don't know what several things to Free our<br>board: 1. Some workarounds f IMISS, DLMISS and DSMISS<br>exceptions handler trap_subr.S. 3. Other hardware dependent<br>stuff.< br></blockquote><br> There is a SoC project this
year platform:<br><br> < class="moz-txt-link-freetext"
href="http://wiki.freebsd. org/Porting_FreeBSD_to_Efika_%28PPC_bring_up%29">h
tt p://wiki.freebsd.org/Porting_FreeBSD_to_Efika_%28PPC=5
Fb exception hand Andrew<br>Turner contribut back.<br></blockquote><br>We will look into it.<br><br><blockquote type="cite"><blockquote
typ pmap: function (a 7.0).<br></blockquote><br> Yep, be MFC'd back to RELENG_6.<br><br><blockquote type="cite">2. Hash table overflows when the system works
with distribution in th table.<br></blockquote><br> Have you tried increasing the size of the hash table ? That is a
simple<br>worka facility for overflow of< something that could be added. <br><br></blockquote>Yes. We have already tried that.
It stil bucket hi hash bucket an type="cite"><blo we still have problems with th experience<br>random processes crashes when the syste starting. It happens<br>approximately once for 20 boots. If the system does not crash at the<br>startup, everything works
fin pmap? vm? ? A panic ? ?<br><br></bloc attached three example backtraces from have all appeared during the boot process. more core dumps from various system tools, but to these. Suddenly a pointer points to 0x0 or an is invalid. Maybe something in the kernel user pages or maps a wrong page for a process?<br><br have also tried some tricks with <pmap_init(pmap_t pmap )> in pmap.c. There is a variable <entropy>
wit VSID va booting pr entropy with a our problem. The 0x35913521chosen at crashed at boot, but we st Never the less, we haven't fou we hardly have a clue where to look. anybody else had expierienced similar program crashes.<br><br>Kind Regards,<br>Marcin
Ligenza<br><
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