<div dir="ltr">Dear all<div><br></div><div>I am trying to find a possible bug in my fortran petsc code. Running valgrid I see messages like this</div><div><br></div><div><p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499== 1,596 (1,512 direct, 84 indirect) bytes in 1 blocks are definitely lost in loss record 174 of 194</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    at 0x4C2D636: memalign (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x4F0F178: PetscMallocAlign (mal.c:28)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x4FF7E82: VecCreate (veccreate.c:37)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x4FDF198: VecCreateSeqWithArray (bvec2.c:946)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x4FE442E: veccreateseqwitharray_ (zbvec2f.c:12)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x406921: initpetsc_ (all.f95:2066)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x4035B1: run_ (all.f95:2817)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x41760C: MAIN__ (all.f95:1383)</span></p>
<p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">==28499==    by 0x417D08: main (all.f95:1330)</span></p><p style="margin:0px;font-size:11px;line-height:normal;font-family:menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><br></span></p>Does this indicate some bug in my code ?</div><div><br></div><div>Thanks</div><div>praveen</div></div>