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<FONT size=2 face=Tahoma><B>From:</B> Tzachi Dar [mailto:tzachid@mellanox.co.il]
<BR><B>Sent:</B> Thursday, September 02, 2010 7:15 AM<BR><B>To:</B> Smith, Stan;
ofw@lists.openfabrics.org<BR><B>Subject:</B> Problem in building opensm with the
6001 compiler<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=WordSection1>
<P class=MsoNormal>Hi,<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>It seems that we are having a problem to build our code with
the 6001 compiler (on 2003-64 bits).<o:p></o:p></P>
<P class=MsoNormal>The problem is on the file osm_vendor_ibumad.c line 89 and
185<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>We saw that the files can be built with the new compiler, but
we believe that there is a real problem here:<o:p></o:p></P>
<P class=MsoNormal>osmv_query_req_t *p_query_req_copy = NULL;<o:p></o:p></P>
<P class=MsoNormal>…<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P
class=MsoNormal>
/* obtain the sent context since we store it during send in the ni_ctx
*/<o:p></o:p></P>
<P
class=MsoNormal>
p_query_req_copy =<o:p></o:p></P>
<P
class=MsoNormal>
(osmv_query_req_t *) (long
*)(long)(p_req_madw->context.ni_context.<o:p></o:p></P>
<P
class=MsoNormal>
node_guid);<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>We start with a node_guid that is 64 bits convert it to long
that is 32 bits, (information is lost).<o:p></o:p></P>
<P class=MsoNormal>Next we move to 64 bits (no data lost) and then we put it on
p_query_req_copy.<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>Please note that since we end with a pointer, it is not clear
what should happen, since on 32 bits, information will be lost.<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>Thanks<o:p></o:p></P>
<P class=MsoNormal>Tzachi<SPAN class=608303116-02092010><FONT color=#0000ff
size=2 face=Arial> </FONT></SPAN></P>
<P class=MsoNormal><SPAN class=608303116-02092010></SPAN> </P>
<P class=MsoNormal><SPAN class=608303116-02092010><FONT color=#0000ff size=2
face=Arial>Hello,</FONT></SPAN></P>
<P class=MsoNormal><SPAN class=608303116-02092010><FONT color=#0000ff size=2
face=Arial> My response to Sean was prior to reading your email, best
to read email in order.</FONT></SPAN></P>
<P class=MsoNormal><SPAN class=608303116-02092010><FONT color=#0000ff size=2
face=Arial>I find the lines in osm_vendor_ibumad_sa.c, will try Sean's approach
and let you know.</FONT></SPAN></P>
<P class=MsoNormal><SPAN class=608303116-02092010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </P>
<P class=MsoNormal><SPAN class=608303116-02092010><FONT color=#0000ff size=2
face=Arial>stan.</FONT></SPAN></P>
<P class=MsoNormal><SPAN class=608303116-02092010><FONT color=#0000ff size=2
face=Arial></FONT></SPAN> </P>
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face=Arial></FONT></SPAN> </P></DIV></BODY></HTML>