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Bug #40608
closedmds: assert after `delete gather` in C_Drop_Cache::recall_client_state
% Done:
0%
Source:
Community (user)
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
MDS
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
While performing an mds cache drop I had an MDS assert.
Command was:
> ceph daemon mds.`hostname -s` cache drop 10
Crash line was:
0> 2019-07-01 15:25:20.880887 7f5957186700 -1 /builddir/build/BUILD/ceph-12.2.12/src/include/Context.h: In function 'C_GatherBuilderBase<ContextType, GatherType>::~C_GatherBuilderBase() [with ContextType = MDSInternalContextBase; GatherType = MDSGather]' thread 7f5957186700 time 2019-07-01 15:25:20.877570 /builddir/build/BUILD/ceph-12.2.12/src/include/Context.h: 432: FAILED assert(activated)
Backtrace:
(gdb) bt #0 0x00007f595e9dc49b in raise () from /lib64/libpthread.so.0 #1 0x000055a7faafcb86 in reraise_fatal (signum=6) at /usr/src/debug/ceph-12.2.12/src/global/signal_handler.cc:74 #2 handle_fatal_signal (signum=6) at /usr/src/debug/ceph-12.2.12/src/global/signal_handler.cc:138 #3 <signal handler called> #4 0x00007f595d9ea207 in raise () from /lib64/libc.so.6 #5 0x00007f595d9eb8f8 in abort () from /lib64/libc.so.6 #6 0x000055a7fab3e6d4 in ceph::__ceph_assert_fail (assertion=assertion@entry=0x55a7faf20f90 "activated", file=file@entry=0x55a7faf1ed98 "/builddir/build/BUILD/ceph-12.2.12/src/include/Context.h", line=line@entry=432, func=func@entry=0x55a7faf22540 <C_GatherBuilderBase<MDSInternalContextBase, MDSGather>::~C_GatherBuilderBase()::__PRETTY_FUNCTION__> "C_GatherBuilderBase<ContextType, GatherType>::~C_GatherBuilderBase() [with ContextType = MDSInternalContextBase; GatherType = MDSGather]") at /usr/src/debug/ceph-12.2.12/src/common/assert.cc:66 #7 0x000055a7fa8196d2 in C_GatherBuilderBase<MDSInternalContextBase, MDSGather>::~C_GatherBuilderBase (this=<optimized out>, __in_chrg=<optimized out>) at /usr/src/debug/ceph-12.2.12/src/include/Context.h:432 #8 0x000055a7fa82092b in C_Drop_Cache::recall_client_state (this=0x55a9106c7680) at /usr/src/debug/ceph-12.2.12/src/mds/MDSRank.cc:343 #9 0x000055a7fa7efe1a in operator() (a0=<optimized out>, this=<optimized out>) at /usr/src/debug/ceph-12.2.12/build/boost/include/boost/function/function_template.hpp:760 #10 FunctionContext::finish (this=<optimized out>, r=<optimized out>) at /usr/src/debug/ceph-12.2.12/src/include/Context.h:493 #11 0x000055a7fa7ecfe9 in Context::complete (this=0x55a8f031db60, r=<optimized out>) at /usr/src/debug/ceph-12.2.12/src/include/Context.h:70 #12 0x000055a7fab3ae04 in SafeTimer::timer_thread (this=0x55a80596a078) at /usr/src/debug/ceph-12.2.12/src/common/Timer.cc:97 #13 0x000055a7fab3c82d in SafeTimerThread::entry (this=<optimized out>) at /usr/src/debug/ceph-12.2.12/src/common/Timer.cc:30 #14 0x00007f595e9d4dd5 in start_thread () from /lib64/libpthread.so.0 #15 0x00007f595dab1ead in clone () from /lib64/libc.so.6
Some gdb:
(gdb) up #8 0x000055a7fa82092b in C_Drop_Cache::recall_client_state (this=0x55a9106c7680) at /usr/src/debug/ceph-12.2.12/src/mds/MDSRank.cc:343 343 delete gather; (gdb) p gather $1 = (MDSGatherBuilder *) 0x55a8a8587820 (gdb) p *gather $2 = {cct = 0x55a8057081c0, c_gather = 0x55a811b2ad80, finisher = 0x0, activated = false} (gdb)
Updated by Patrick Donnelly almost 5 years ago
- Subject changed from assert after `delete gather` in C_Drop_Cache::recall_client_state to mds: assert after `delete gather` in C_Drop_Cache::recall_client_state
- Assignee set to Patrick Donnelly
- Priority changed from Normal to Urgent
- Target version set to v15.0.0
- Start date deleted (
07/01/2019) - Source set to Community (user)
- Backport set to nautilus,mimic,luminous
- Component(FS) MDS added
Updated by Patrick Donnelly over 4 years ago
- Status changed from New to Duplicate
- Backport deleted (
nautilus,mimic,luminous)
Fixed by: https://tracker.ceph.com/issues/38445
Updated by Patrick Donnelly over 4 years ago
- Related to Bug #38348: mds: drop cache does not timeout as expected added
Updated by Patrick Donnelly over 4 years ago
- Related to deleted (Bug #38348: mds: drop cache does not timeout as expected)
Updated by Patrick Donnelly over 4 years ago
- Is duplicate of Bug #38348: mds: drop cache does not timeout as expected added
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