Re: amd64 panics w/XEN_DOM0, not GENERIC

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Nov 06, 2008 at 01:57:21PM -0500, Todd Kover wrote:
>  > On Thu, Nov 06, 2008 at 09:09:17AM -0500, Todd Kover wrote:
>  > > 
>  > > This remains an inssue in the 5.0 tree (and presumably in -current).
>  > > I've been running under the patched kernel for a few months with no
>  > > issue.
>  > 
>  > I fear I don't remember what the patch was exactly ...
> 
> attached.

OK, thanks. It was more a diagnostic patch than a proper fix.
Could you give the attached patch a try ? This one should be correct.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--

Index: st.c
===================================================================
RCS file: /cvsroot/src/sys/dev/scsipi/st.c,v
retrieving revision 1.207
diff -u -r1.207 st.c
--- st.c        2 Sep 2008 08:58:07 -0000       1.207
+++ st.c        9 Nov 2008 12:10:18 -0000
@@ -2199,6 +2199,12 @@
                                retval = 0;
                        } else {
                                retval = EIO;
+                               /*
+                                * If we return an error we can't claim to
+                                * have transfered all data.
+                                */
+                               if (xs->resid == 0)
+                                       xs->resid = xs->datalen;
                        }
 
                        /*
@@ -2237,7 +2243,7 @@
                        }
                }
                if (bp)
-                       bp->b_resid = info;
+                       bp->b_resid = xs->resid;
        }
 
 #ifndef SCSIPI_DEBUG