Update: I managed to clear the inode errors by deleting the parent
directory entry from the metadata pool. However the MDS still refuses to
start, which makes me wonder if the error killing it had to do with the
inode issue in the first place.
Can anyone make sense of this error and point me where to investigate
further?
Feb 23 11:44:54 herta ceph-mds[3384124]: -1>
2022-02-23T11:44:54.195+0100 7f0502a33700 -1 ./src/mds/CInode.cc: In
function 'CDir* CInode::get_or_open_dirfrag(MDCache*, frag_t)' thread
7f0502a33700 time 2022-02-23T11:44:54.196476+0100
Feb 23 11:44:54 herta ceph-mds[3384124]: ./src/mds/CInode.cc: 785:
FAILED ceph_assert(is_dir())
Feb 23 11:44:54 herta ceph-mds[3384124]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 23 11:44:54 herta ceph-mds[3384124]: 1:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x124) [0x7f050df11046]
Feb 23 11:44:54 herta ceph-mds[3384124]: 2:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7f050df111d1]
Feb 23 11:44:54 herta ceph-mds[3384124]: 3:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x5605fd69e365]
Feb 23 11:44:54 herta ceph-mds[3384124]: 4:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x5605fd74645d]
Feb 23 11:44:54 herta ceph-mds[3384124]: 5:
(MDSContext::complete(int)+0x50) [0x5605fd717980]
Feb 23 11:44:54 herta ceph-mds[3384124]: 6: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x5605fd3edd58]
Feb 23 11:44:54 herta ceph-mds[3384124]: 7:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x5605fd53bfc8]
Feb 23 11:44:54 herta ceph-mds[3384124]: 8:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x5605fd543717]
Feb 23 11:44:54 herta ceph-mds[3384124]: 9:
(MDSContext::complete(int)+0x50) [0x5605fd717980]
Feb 23 11:44:54 herta ceph-mds[3384124]: 10:
(MDSIOContextBase::complete(int)+0x524) [0x5605fd7180f4]
Feb 23 11:44:54 herta ceph-mds[3384124]: 11:
(Finisher::finisher_thread_entry()+0x18d) [0x7f050dfaec0d]
Feb 23 11:44:54 herta ceph-mds[3384124]: 12:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7f050dc6cea7]
Feb 23 11:44:54 herta ceph-mds[3384124]: 13: clone()
Feb 23 11:44:54 herta ceph-mds[3384124]: 0> 2022-02-23T11:44:54.195+0100
7f0502a33700 -1 *** Caught signal (Aborted) **
Feb 23 11:44:54 herta ceph-mds[3384124]: in thread 7f0502a33700
thread_name:MR_Finisher
Feb 23 11:44:54 herta ceph-mds[3384124]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 23 11:44:54 herta ceph-mds[3384124]: 1:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x14140) [0x7f050dc78140]
Feb 23 11:44:54 herta ceph-mds[3384124]: 2: gsignal()
Feb 23 11:44:54 herta ceph-mds[3384124]: 3: abort()
Feb 23 11:44:54 herta ceph-mds[3384124]: 4:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x16e) [0x7f050df11090]
Feb 23 11:44:54 herta ceph-mds[3384124]: 5:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7f050df111d1]
Feb 23 11:44:54 herta ceph-mds[3384124]: 6:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x5605fd69e365]
Feb 23 11:44:54 herta ceph-mds[3384124]: 7:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x5605fd74645d]
Feb 23 11:44:54 herta ceph-mds[3384124]: 8:
(MDSContext::complete(int)+0x50) [0x5605fd717980]
Feb 23 11:44:54 herta ceph-mds[3384124]: 9: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x5605fd3edd58]
Feb 23 11:44:54 herta ceph-mds[3384124]: 10:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x5605fd53bfc8]
Feb 23 11:44:54 herta ceph-mds[3384124]: 11:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x5605fd543717]
Feb 23 11:44:54 herta ceph-mds[3384124]: 12:
(MDSContext::complete(int)+0x50) [0x5605fd717980]
Feb 23 11:44:54 herta ceph-mds[3384124]: 13:
(MDSIOContextBase::complete(int)+0x524) [0x5605fd7180f4]
Feb 23 11:44:54 herta ceph-mds[3384124]: 14:
(Finisher::finisher_thread_entry()+0x18d) [0x7f050dfaec0d]
Feb 23 11:44:54 herta ceph-mds[3384124]: 15:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7f050dc6cea7]
Feb 23 11:44:54 herta ceph-mds[3384124]: 16: clone()
Feb 23 11:44:54 herta ceph-mds[3384124]: NOTE: a copy of the executable,
or `objdump -rdS <executable>` is needed to interpret this.
Best,
Wolfgang
On 21.02.22 17:01, Wolfgang Mair wrote:
Hi
I have a weird problem with my ceph cluster:
basic info:
- 3-node cluster
- cephfs runs on three data pools:
- cephfs_meta (replicated)
- ec_basic (erasure coded)
- ec_sensitive (erasure coded with higher redundancy)
My MDS keeps crashing with a bad backtrace error:
2022-02-21T16:11:09.661+0100 7fd2cd290700 -1 log_channel(cluster) log
[ERR] : bad backtrace on directory inode 0x10002000f5d
So far so good. To my best understanding these metadata errors should
be fixed by following the disaster recovery procedure described here:
https://docs.ceph.com/en/nautilus/cephfs/disaster-recovery-experts/
However, the weird part is: the error remains unchanged. Even directly
after resetting, i.e. before recreating metadata objects, the error
does not change.
Is there something else that i need to reset?
I have already tried to delete the corrupt inode via rmomapkey, i.e.
rados -p cephfs_meta listomapkeys 10002000f5d.00000000 returns empty
Any suggestions on how to proceed? Any hints are appreciated!
MDS Log:
--------------------------
Feb 21 16:11:07 herta systemd[1]: Started Ceph metadata server daemon.
Feb 21 16:11:07 herta ceph-mds[128287]: starting mds.herta at
Feb 21 16:11:09 herta ceph-mds[128287]: 2022-02-21T16:11:09.661+0100
7fd2cd290700 -1 log_channel(cluster) log [ERR] : bad backtrace on
directory inode 0x10002000f5d
Feb 21 16:11:10 herta ceph-mds[128287]: ./src/mds/CInode.cc: In
function 'CDir* CInode::get_or_open_dirfrag(MDCache*, frag_t)' thread
7fd2cd290700 time 2022-02-21T16:11:10.629363+0100
Feb 21 16:11:10 herta ceph-mds[128287]: ./src/mds/CInode.cc: 785:
FAILED ceph_assert(is_dir())
Feb 21 16:11:10 herta ceph-mds[128287]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 21 16:11:10 herta ceph-mds[128287]: 1:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x124) [0x7fd2d876e046]
Feb 21 16:11:10 herta ceph-mds[128287]: 2:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7fd2d876e1d1]
Feb 21 16:11:10 herta ceph-mds[128287]: 3:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x557ec94be365]
Feb 21 16:11:10 herta ceph-mds[128287]: 4:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x557ec956645d]
Feb 21 16:11:10 herta ceph-mds[128287]: 5:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 6: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x557ec920dd58]
Feb 21 16:11:10 herta ceph-mds[128287]: 7:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x557ec935bfc8]
Feb 21 16:11:10 herta ceph-mds[128287]: 8:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x557ec9363717]
Feb 21 16:11:10 herta ceph-mds[128287]: 9:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 10:
(MDSIOContextBase::complete(int)+0x524) [0x557ec95380f4]
Feb 21 16:11:10 herta ceph-mds[128287]: 11:
(Finisher::finisher_thread_entry()+0x18d) [0x7fd2d880bc0d]
Feb 21 16:11:10 herta ceph-mds[128287]: 12:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7fd2d84c9ea7]
Feb 21 16:11:10 herta ceph-mds[128287]: 13: clone()
Feb 21 16:11:10 herta ceph-mds[128287]: *** Caught signal (Aborted) **
Feb 21 16:11:10 herta ceph-mds[128287]: in thread 7fd2cd290700
thread_name:MR_Finisher
Feb 21 16:11:10 herta ceph-mds[128287]: 2022-02-21T16:11:10.625+0100
7fd2cd290700 -1 ./src/mds/CInode.cc: In function 'CDir*
CInode::get_or_open_dirfrag(MDCache*, frag_t)' thread 7fd2cd290700
time 2022-02-21T16:11:10.629363+0100
Feb 21 16:11:10 herta ceph-mds[128287]: ./src/mds/CInode.cc: 785:
FAILED ceph_assert(is_dir())
Feb 21 16:11:10 herta ceph-mds[128287]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 21 16:11:10 herta ceph-mds[128287]: 1:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x124) [0x7fd2d876e046]
Feb 21 16:11:10 herta ceph-mds[128287]: 2:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7fd2d876e1d1]
Feb 21 16:11:10 herta ceph-mds[128287]: 3:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x557ec94be365]
Feb 21 16:11:10 herta ceph-mds[128287]: 4:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x557ec956645d]
Feb 21 16:11:10 herta ceph-mds[128287]: 5:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 6: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x557ec920dd58]
Feb 21 16:11:10 herta ceph-mds[128287]: 7:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x557ec935bfc8]
Feb 21 16:11:10 herta ceph-mds[128287]: 8:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x557ec9363717]
Feb 21 16:11:10 herta ceph-mds[128287]: 9:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 10:
(MDSIOContextBase::complete(int)+0x524) [0x557ec95380f4]
Feb 21 16:11:10 herta ceph-mds[128287]: 11:
(Finisher::finisher_thread_entry()+0x18d) [0x7fd2d880bc0d]
Feb 21 16:11:10 herta ceph-mds[128287]: 12:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7fd2d84c9ea7]
Feb 21 16:11:10 herta ceph-mds[128287]: 13: clone()
Feb 21 16:11:10 herta ceph-mds[128287]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 21 16:11:10 herta ceph-mds[128287]: 1:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x14140) [0x7fd2d84d5140]
Feb 21 16:11:10 herta ceph-mds[128287]: 2: gsignal()
Feb 21 16:11:10 herta ceph-mds[128287]: 3: abort()
Feb 21 16:11:10 herta ceph-mds[128287]: 4:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x16e) [0x7fd2d876e090]
Feb 21 16:11:10 herta ceph-mds[128287]: 5:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7fd2d876e1d1]
Feb 21 16:11:10 herta ceph-mds[128287]: 6:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x557ec94be365]
Feb 21 16:11:10 herta ceph-mds[128287]: 7:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x557ec956645d]
Feb 21 16:11:10 herta ceph-mds[128287]: 8:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 9: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x557ec920dd58]
Feb 21 16:11:10 herta ceph-mds[128287]: 10:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x557ec935bfc8]
Feb 21 16:11:10 herta ceph-mds[128287]: 11:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x557ec9363717]
Feb 21 16:11:10 herta ceph-mds[128287]: 12:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 13:
(MDSIOContextBase::complete(int)+0x524) [0x557ec95380f4]
Feb 21 16:11:10 herta ceph-mds[128287]: 14:
(Finisher::finisher_thread_entry()+0x18d) [0x7fd2d880bc0d]
Feb 21 16:11:10 herta ceph-mds[128287]: 15:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7fd2d84c9ea7]
Feb 21 16:11:10 herta ceph-mds[128287]: 16: clone()
Feb 21 16:11:10 herta ceph-mds[128287]: 2022-02-21T16:11:10.629+0100
7fd2cd290700 -1 *** Caught signal (Aborted) **
Feb 21 16:11:10 herta ceph-mds[128287]: in thread 7fd2cd290700
thread_name:MR_Finisher
Feb 21 16:11:10 herta ceph-mds[128287]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 21 16:11:10 herta ceph-mds[128287]: 1:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x14140) [0x7fd2d84d5140]
Feb 21 16:11:10 herta ceph-mds[128287]: 2: gsignal()
Feb 21 16:11:10 herta ceph-mds[128287]: 3: abort()
Feb 21 16:11:10 herta ceph-mds[128287]: 4:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x16e) [0x7fd2d876e090]
Feb 21 16:11:10 herta ceph-mds[128287]: 5:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7fd2d876e1d1]
Feb 21 16:11:10 herta ceph-mds[128287]: 6:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x557ec94be365]
Feb 21 16:11:10 herta ceph-mds[128287]: 7:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x557ec956645d]
Feb 21 16:11:10 herta ceph-mds[128287]: 8:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 9: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x557ec920dd58]
Feb 21 16:11:10 herta ceph-mds[128287]: 10:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x557ec935bfc8]
Feb 21 16:11:10 herta ceph-mds[128287]: 11:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x557ec9363717]
Feb 21 16:11:10 herta ceph-mds[128287]: 12:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 13:
(MDSIOContextBase::complete(int)+0x524) [0x557ec95380f4]
Feb 21 16:11:10 herta ceph-mds[128287]: 14:
(Finisher::finisher_thread_entry()+0x18d) [0x7fd2d880bc0d]
Feb 21 16:11:10 herta ceph-mds[128287]: 15:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7fd2d84c9ea7]
Feb 21 16:11:10 herta ceph-mds[128287]: 16: clone()
Feb 21 16:11:10 herta ceph-mds[128287]: NOTE: a copy of the
executable, or `objdump -rdS <executable>` is needed to interpret this.
Feb 21 16:11:10 herta ceph-mds[128287]: -1430>
2022-02-21T16:11:09.661+0100 7fd2cd290700 -1 log_channel(cluster) log
[ERR] : bad backtrace on directory inode 0x10002000f5d
Feb 21 16:11:10 herta ceph-mds[128287]: -1429>
2022-02-21T16:11:10.625+0100 7fd2cd290700 -1 ./src/mds/CInode.cc: In
function 'CDir* CInode::get_or_open_dirfrag(MDCache*, frag_t)' thread
7fd2cd290700 time 2022-02-21T16:11:10.629363+0100
Feb 21 16:11:10 herta ceph-mds[128287]: ./src/mds/CInode.cc: 785:
FAILED ceph_assert(is_dir())
Feb 21 16:11:10 herta ceph-mds[128287]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 21 16:11:10 herta ceph-mds[128287]: 1:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x124) [0x7fd2d876e046]
Feb 21 16:11:10 herta ceph-mds[128287]: 2:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7fd2d876e1d1]
Feb 21 16:11:10 herta ceph-mds[128287]: 3:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x557ec94be365]
Feb 21 16:11:10 herta ceph-mds[128287]: 4:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x557ec956645d]
Feb 21 16:11:10 herta ceph-mds[128287]: 5:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 6: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x557ec920dd58]
Feb 21 16:11:10 herta ceph-mds[128287]: 7:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x557ec935bfc8]
Feb 21 16:11:10 herta ceph-mds[128287]: 8:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x557ec9363717]
Feb 21 16:11:10 herta ceph-mds[128287]: 9:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 10:
(MDSIOContextBase::complete(int)+0x524) [0x557ec95380f4]
Feb 21 16:11:10 herta ceph-mds[128287]: 11:
(Finisher::finisher_thread_entry()+0x18d) [0x7fd2d880bc0d]
Feb 21 16:11:10 herta ceph-mds[128287]: 12:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7fd2d84c9ea7]
Feb 21 16:11:10 herta ceph-mds[128287]: 13: clone()
Feb 21 16:11:10 herta ceph-mds[128287]: -1428>
2022-02-21T16:11:10.629+0100 7fd2cd290700 -1 *** Caught signal
(Aborted) **
Feb 21 16:11:10 herta ceph-mds[128287]: in thread 7fd2cd290700
thread_name:MR_Finisher
Feb 21 16:11:10 herta ceph-mds[128287]: ceph version 16.2.7
(f9aa029788115b5df5eeee328f584156565ee5b7) pacific (stable)
Feb 21 16:11:10 herta ceph-mds[128287]: 1:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x14140) [0x7fd2d84d5140]
Feb 21 16:11:10 herta ceph-mds[128287]: 2: gsignal()
Feb 21 16:11:10 herta ceph-mds[128287]: 3: abort()
Feb 21 16:11:10 herta ceph-mds[128287]: 4:
(ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x16e) [0x7fd2d876e090]
Feb 21 16:11:10 herta ceph-mds[128287]: 5:
/usr/lib/ceph/libceph-common.so.2(+0x2511d1) [0x7fd2d876e1d1]
Feb 21 16:11:10 herta ceph-mds[128287]: 6:
(CInode::get_or_open_dirfrag(MDCache*, frag_t)+0x105) [0x557ec94be365]
Feb 21 16:11:10 herta ceph-mds[128287]: 7:
(OpenFileTable::_prefetch_dirfrags()+0x2ad) [0x557ec956645d]
Feb 21 16:11:10 herta ceph-mds[128287]: 8:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 9: (void
finish_contexts<std::vector<MDSContext*, std::allocator<MDSContext*> >
>(ceph::common::CephContext*, std::vector<MDSContext*,
std::allocator<MDSContext*> >&, int)+0x98) [0x557ec920dd58]
Feb 21 16:11:10 herta ceph-mds[128287]: 10:
(MDCache::open_ino_finish(inodeno_t, MDCache::open_ino_info_t&,
int)+0x138) [0x557ec935bfc8]
Feb 21 16:11:10 herta ceph-mds[128287]: 11:
(MDCache::_open_ino_backtrace_fetched(inodeno_t,
ceph::buffer::v15_2_0::list&, int)+0x277) [0x557ec9363717]
Feb 21 16:11:10 herta ceph-mds[128287]: 12:
(MDSContext::complete(int)+0x50) [0x557ec9537980]
Feb 21 16:11:10 herta ceph-mds[128287]: 13:
(MDSIOContextBase::complete(int)+0x524) [0x557ec95380f4]
Feb 21 16:11:10 herta ceph-mds[128287]: 14:
(Finisher::finisher_thread_entry()+0x18d) [0x7fd2d880bc0d]
Feb 21 16:11:10 herta ceph-mds[128287]: 15:
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8ea7) [0x7fd2d84c9ea7]
Feb 21 16:11:10 herta ceph-mds[128287]: 16: clone()
Feb 21 16:11:10 herta ceph-mds[128287]: NOTE: a copy of the
executable, or `objdump -rdS <executable>` is needed to interpret this.
--------------------------
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