On Wed, May 23, 2012 at 5:28 AM, Felix Feinhals <ff@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hey, > > ok i installed libc-dbg and run your commands now this comes up: > > gdb /usr/bin/ceph-mds core > > snip > > GNU gdb (GDB) 7.0.1-debian > Copyright (C) 2009 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "x86_64-linux-gnu". > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>... > Reading symbols from /usr/bin/ceph-mds...Reading symbols from > /usr/lib/debug/usr/bin/ceph-mds...done. > (no debugging symbols found)...done. > [New Thread 22980] > [New Thread 22984] > [New Thread 22986] > [New Thread 22979] > [New Thread 22970] > [New Thread 22981] > [New Thread 22971] > [New Thread 22976] > [New Thread 22973] > [New Thread 22975] > [New Thread 22974] > [New Thread 22972] > [New Thread 22978] > [New Thread 22982] > > warning: Can't read pathname for load map: Input/output error. > Reading symbols from /lib/libpthread.so.0...Reading symbols from > /usr/lib/debug/lib/libpthread-2.11.3.so...done. > (no debugging symbols found)...done. > Loaded symbols for /lib/libpthread.so.0 > Reading symbols from /usr/lib/libcrypto++.so.8...(no debugging symbols > found)...done. > Loaded symbols for /usr/lib/libcrypto++.so.8 > Reading symbols from /lib/libuuid.so.1...(no debugging symbols found)...done. > Loaded symbols for /lib/libuuid.so.1 > Reading symbols from /lib/librt.so.1...Reading symbols from > /usr/lib/debug/lib/librt-2.11.3.so...done. > (no debugging symbols found)...done. > Loaded symbols for /lib/librt.so.1 > Reading symbols from /usr/lib/libtcmalloc.so.0...(no debugging symbols > found)...done. > Loaded symbols for /usr/lib/libtcmalloc.so.0 > Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols > found)...done. > Loaded symbols for /usr/lib/libstdc++.so.6 > Reading symbols from /lib/libm.so.6...Reading symbols from > /usr/lib/debug/lib/libm-2.11.3.so...done. > (no debugging symbols found)...done. > Loaded symbols for /lib/libm.so.6 > Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols found)...done. > Loaded symbols for /lib/libgcc_s.so.1 > Reading symbols from /lib/libc.so.6...Reading symbols from > /usr/lib/debug/lib/libc-2.11.3.so...done. > (no debugging symbols found)...done. > Loaded symbols for /lib/libc.so.6 > Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols > from /usr/lib/debug/lib/ld-2.11.3.so...done. > (no debugging symbols found)...done. > Loaded symbols for /lib64/ld-linux-x86-64.so.2 > Reading symbols from /usr/lib/libunwind.so.7...(no debugging symbols > found)...done. > Loaded symbols for /usr/lib/libunwind.so.7 > Core was generated by `/usr/bin/ceph-mds -i c --pid-file > /var/run/ceph/mds.c.pid -c /etc/ceph/ceph.con'. > Program terminated with signal 11, Segmentation fault. > #0 0x00007f10c00d2ebb in raise (sig=<value optimized out>) at > ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:41 > 41 ../nptl/sysdeps/unix/sysv/linux/pt-raise.c: No such file or directory. > in ../nptl/sysdeps/unix/sysv/linux/pt-raise.c > > snip > > Now > > thread apply all bt > > ... > > thread 1 > [Switching to thread 1 (Thread 22977)]#0 0x00007f10c00d2ebb in raise > (sig=<value optimized out>) at > ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:41 > 41 in ../nptl/sysdeps/unix/sysv/linux/pt-raise.c > > > Thread 1 (Thread 22977): > ---Type <return> to continue, or q <return> to quit--- > #0 0x00007f10c00d2ebb in raise (sig=<value optimized out>) at > ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:41 > #1 0x000000000081469e in reraise_fatal (signum=11) at > global/signal_handler.cc:58 > #2 handle_fatal_signal (signum=11) at global/signal_handler.cc:104 > #3 <signal handler called> > #4 SnapRealm::have_past_parents_open (this=0x0, first=..., last=...) > at mds/snap.cc:112 > > #5 0x000000000055d58b in MDCache::check_realm_past_parents > (this=0x2b49200, realm=0x0) at mds/MDCache.cc:4495 > #6 0x0000000000572eec in > MDCache::choose_lock_states_and_reconnect_caps (this=0x2b49200) at > mds/MDCache.cc:4533 > #7 0x00000000005931a0 in MDCache::rejoin_gather_finish > (this=0x2b49200) at mds/MDCache.cc:4444 > #8 0x000000000059b9d5 in MDCache::rejoin_send_rejoins > (this=0x2b49200) at mds/MDCache.cc:3388 > #9 0x00000000004a8721 in MDS::rejoin_joint_start (this=0x2b5e000) at > mds/MDS.cc:1404 > #10 0x00000000004c253a in MDS::handle_mds_map (this=0x2b5e000, > m=<value optimized out>) at mds/MDS.cc:968 > #11 0x00000000004c4513 in MDS::handle_core_message (this=0x2b5e000, > m=0x2b4d800) at mds/MDS.cc:1651 > #12 0x00000000004c45ef in MDS::_dispatch (this=0x2b5e000, m=0x2b4d800) > at mds/MDS.cc:1790 > #13 0x00000000004c628b in MDS::ms_dispatch (this=0x2b5e000, > m=0x2b4d800) at mds/MDS.cc:1602 > #14 0x00000000007acb49 in Messenger::ms_deliver_dispatch > (this=0x2b41680) at msg/Messenger.h:178 > #15 SimpleMessenger::dispatch_entry (this=0x2b41680) at > msg/SimpleMessenger.cc:363 > #16 0x00000000007336ed in SimpleMessenger::DispatchThread::entry() () > #17 0x00007f10c00ca8ca in start_thread (arg=<value optimized out>) at > pthread_create.c:300 > #18 0x00007f10be95292d in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 > #19 0x0000000000000000 in ?? () > > So i wonder is the crash because of the missing file message? Okay, that is what I wanted. It looks like it can't find the snaprealm, and I have a pretty good guess why. If you're building your own binaries, you can apply the patch below and I bet things will work. (Let me know if they do or don't!) -Greg diff --git a/src/mds/CInode.cc b/src/mds/CInode.cc index 70faeb8..becccf5 100644 --- a/src/mds/CInode.cc +++ b/src/mds/CInode.cc @@ -2130,7 +2130,7 @@ SnapRealm *CInode::find_snaprealm() while (!cur->snaprealm) { if (cur->get_parent_dn()) cur = cur->get_parent_dn()->get_dir()->get_inode(); - else if (get_projected_parent_dn()) + else if (cur->get_projected_parent_dn()) cur = cur->get_projected_parent_dn()->get_dir()->get_inode(); else break; -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
