Experimental Physics and
Industrial Control System

You probably fixed this one already - RSRV on SPARC
dies with SIGBUS on putNotify due to a misaligned buffer.

Index: camessage.c
===================================================================
RCS file: /afs/slac/g/spear/cvsrep//epics/base/src/rsrv/camessage.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -c -r1.1.1.1 -r1.2
*** camessage.c	2002/03/09 18:09:35	1.1.1.1
--- camessage.c	2002/09/19 23:52:08	1.2
***************
*** 1548,1555 ****
--- 1548,1568 ----
           * block if it is to small
           */
          if(pciu->pPutNotify->valueSize<size){
+ #ifdef MISALIGNED_BUFFER
              free(pciu->pPutNotify);
              pciu->pPutNotify = NULL;
+ #else
+ 			free(pciu->pPutNotify->dbPutNotify.pbuffer);
+ 			pciu->pPutNotify->valueSize = 0;
+ 			pciu->pPutNotify->dbPutNotify.pbuffer = casCalloc(1,size);
+ 			if (!pciu->pPutNotify->dbPutNotify.pbuffer) {
+             	log_header ( "no memory to initiate put notify", 
+                	 client, mp, pPayload, 0 );
+             	putNotifyErrorReply (client, mp, ECA_ALLOCMEM);
+             	return RSRV_ERROR;
+ 			}
+ 			pciu->pPutNotify->valueSize = size;
+ #endif
          }
      }
  
***************
*** 1559,1573 ****
--- 1572,1598 ----
       */
      if(!pciu->pPutNotify){
          pciu->pPutNotify = (RSRVPUTNOTIFY *) 
+ #ifdef MISALIGNED_BUFFER
              casCalloc(1, sizeof(*pciu->pPutNotify)+size);
+ #else
+             casCalloc(1, sizeof(*pciu->pPutNotify));
+ 		if (pciu->pPutNotify)
+ 			pciu->pPutNotify->dbPutNotify.pbuffer = casCalloc(1,size);
+ #endif
+ #ifdef MISALIGNED_BUFFER
          if(!pciu->pPutNotify){
+ #else
+         if(!pciu->pPutNotify || !pciu->pPutNotify->dbPutNotify.pbuffer){
+ #endif
              log_header ( "no memory to initiate put notify", 
                  client, mp, pPayload, 0 );
              putNotifyErrorReply (client, mp, ECA_ALLOCMEM);
              return RSRV_ERROR;
          }
          pciu->pPutNotify->valueSize = size;
+ #ifdef MISALIGNED_BUFFER
          pciu->pPutNotify->dbPutNotify.pbuffer = (pciu->pPutNotify+1);
+ #endif
          pciu->pPutNotify->dbPutNotify.usrPvt = pciu;
          pciu->pPutNotify->dbPutNotify.paddr = &pciu->addr;
          pciu->pPutNotify->dbPutNotify.userCallback = write_notify_call_back;
***************
*** 1758,1763 ****
--- 1783,1792 ----
       }
       
       if (pciu->pPutNotify) {
+ #ifdef MISALIGNED_BUFFER
+ #else
+ 		 free (pciu->pPutNotify->dbPutNotify.pbuffer);
+ #endif
           free (pciu->pPutNotify);
       }
       
Index: caservertask.c
===================================================================
RCS file: /afs/slac/g/spear/cvsrep//epics/base/src/rsrv/caservertask.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -c -r1.1.1.1 -r1.2
*** caservertask.c	2002/03/09 18:09:35	1.1.1.1
--- caservertask.c	2002/09/19 23:52:08	1.2
***************
*** 587,592 ****
--- 587,596 ----
          status = db_flush_extra_labor_event (client->evuser);
          assert (status==DB_EVENT_OK);
          if (pciu->pPutNotify) {
+ #ifdef MISALIGNED_BUFFER
+ #else
+             free (pciu->pPutNotify->dbPutNotify.pbuffer);
+ #endif
              free(pciu->pPutNotify);
          }
          LOCK_CLIENTQ;

Replies:

RE: Another SPARC alignment bug in 3.14_beta1 Jeff Hill

Navigate by Date:

Prev: Re: Recommendations for Power PC VME cards Till Straumann

Next: Making CA calls from multi-threaded programs??? Leonard Reder

Index: 1994  1995  1996  1997  1998  1999  2000  2001  <2002>  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 

Navigate by Thread:

Prev: RE: Recommendations for Power PC VME cards Kevin Tsubota

Next: RE: Another SPARC alignment bug in 3.14_beta1 Jeff Hill

Index: 1994  1995  1996  1997  1998  1999  2000  2001  <2002>  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024