Ceph » bluestore

Hi
we have updated ceph from version 14.2.9 to version.
14.2.10 and since then we are getting osd crash and the osd if flapping.
added the full log can you please assist ?

root@admin01:/# ceph -s
cluster:
id: b41468a7-45b9-4812-a943-3b531a72ea6d
health: HEALTH_WARN
102 daemons have recently crashed

root@admin01:~# ceph crash info 2020-08-17_10:59:51.381771Z_88860476-55f8-4ab7-8739-72121035b218 {
"os_version_id": "18.04",
"assert_condition": "r 0",
"utsname_release": "4.15.0-111-generic",
"os_name": "Ubuntu",
"entity_name": "osd.8",
"assert_file": "/build/ceph-14.2.10/src/os/bluestore/BlueStore.cc",
"timestamp": "2020-08-17 10:59:51.381771Z",
"process_name": "ceph-osd",
"utsname_machine": "x86_64",
"assert_line": 11068,
"utsname_sysname": "Linux",
"os_version": "18.04.4 LTS (Bionic Beaver)",
"os_id": "ubuntu",
"assert_thread_name": "bstore_kv_sync",
"utsname_version": "#112-Ubuntu SMP Thu Jul 9 20:32:34 UTC 2020",
"backtrace": [
"(()+0x128a0) [0x7fa1cfa798a0]",
"(gsignal()+0xc7) [0x7fa1ce72bf47]",
"(abort()+0x141) [0x7fa1ce72d8b1]",
"(ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x1a3) [0x55608325cebf]",
"(ceph::__ceph_assertf_fail(char const*, char const*, int, char const*, char const*, ...)+0) [0x55608325d049]",
"(BlueStore::_kv_sync_thread()+0x1144) [0x5560837cd3b4]",
"(BlueStore::KVSyncThread::entry()+0xd) [0x5560837f024d]",
"(()+0x76db) [0x7fa1cfa6e6db]",
"(clone()+0x3f) [0x7fa1ce80ea3f]"
],
"utsname_hostname": "osd105",
"assert_msg": "/build/ceph-14.2.10/src/os/bluestore/BlueStore.cc: In function 'void BlueStore::_kv_sync_thread()' thread 7fa1bdd8b700 time 2020-08-17 05:59:51.202525\n/build/ceph-14.2.10/src/os/bluestore/BlueStore.cc: 11068: FAILED ceph_assert(r 0)\n",
"crash_id": "2020-08-17_10:59:51.381771Z_88860476-55f8-4ab7-8739-72121035b218",
"assert_func": "void BlueStore::_kv_sync_thread()",
"ceph_version": "14.2.10"
}