mon/OSDMonitor: dump inc and full maps we get a crc mismatch

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/mon/OSDMonitor.cc b/src/mon/OSDMonitor.cc
index 44a7f12f660b6eca8f40f28995fbccd81f2391f6..8cfa369a28ab3d998a3b7dfdcec8e240dfa6c536 100644 (file)
--- a/src/mon/OSDMonitor.cc
+++ b/src/mon/OSDMonitor.cc
@@ -230,6 +230,24 @@ void OSDMonitor::update_from_paxos(bool *need_bootstrap)
           << inc.full_crc << " but actual is " << osdmap.crc
           << " features " << f
           << dendl;
+
+      derr << "full map dump (crc " << full_bl.crc32c(-1) << "):\n";
+      full_bl.hexdump(*_dout);
+      *_dout << "\ninc map dump (crc " << inc_bl.crc32c(-1) << "):\n";
+      inc_bl.hexdump(*_dout);
+      *_dout << dendl;
+      bufferlist prev_bl, prev_bl2, again_bl;
+      get_version_full(osdmap.epoch-1, prev_bl);
+      OSDMap pristine;
+      pristine.decode(prev_bl);
+      pristine.encode(prev_bl2, f | CEPH_FEATURE_RESERVED);
+      derr << "previous osdmap reload, raw crc " << prev_bl.crc32c(-1) << dendl;
+      derr << "reencode of that is " << prev_bl2.crc32c(-1) << dendl;
+      pristine.apply_incremental(inc);
+      pristine.encode(again_bl, f | CEPH_FEATURE_RESERVED);
+      derr << "again raw crc is " << again_bl.crc32c(-1) << dendl;
+      derr << " full_crc " << pristine.crc << dendl;
+
       assert(0 == "got mismatched crc encoding full map");
     }