Server crashes during database shutdown
---------------------------------------
Key: CORE-4045
URL: http://tracker.firebirdsql.org/browse/CORE-4045
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 2.5.2, 2.5.1, 2.5.0
Reporter: Dmitry Yemanov
The problem appears when a parallel helper thread attempts to detach from a
database after the shutdown thread has decided to release all the database
locks.
Stack trace:
Jrd::GlobalRWLock::lockRead(Jrd::thread_db * tdbb=0x0000000002cc7450, short
wait=1, const bool queueJump=true)
Jrd::Attachment::backupStateReadLock(Jrd::thread_db * tdbb=0x00000001402bf831,
short wait=-8680)
CCH_fetch_lock(Jrd::thread_db * tdbb=0x00000000020282b0, Jrd::win *
window=0x0000000002ccde18, unsigned short
lock_type=62688, short wait=-32096, char page_type='')
CCH_fetch(Jrd::thread_db * tdbb=0x000000000227b830, Jrd::win *
window=0x0000000003fcfc10, unsigned short
lock_type=64528, char page_type='ю', short checksum=1, short latch_wait=1,
const bool read_shadow=true)
IDX_delete_indices(Jrd::thread_db * tdbb=0x00000000032d0040, Jrd::jrd_rel *
relation=0x000000000455f3a0,
Jrd::RelationPages * relPages=0x0000000003fcf710)
Jrd::jrd_rel::delPages(Jrd::thread_db * tdbb=0x000000000337ed18, long
tran=1077321176, Jrd::RelationPages *
aPages=0x0000000000000000)
TRA_release_transaction(Jrd::thread_db * tdbb=0x00000000000003e7, Jrd::jrd_tra
*
transaction=0x000000000337ed18, Jrd::TraceTransactionEnd *
trace=0x0000000000000000)
purge_transactions(Jrd::thread_db * tdbb=0x0000000002cc7450, Jrd::Attachment *
attachment=0x0000000002cc7450,
const bool force_flag=false, const unsigned long att_flags=18)
purge_attachment(Jrd::thread_db * tdbb=0x0000000003fcfc10, Jrd::Attachment *
attachment=0x0000000002cc7450,
const bool force_flag=false)
jrd8_detach_database(__int64 * user_status=0x0000000003fcfe10, Jrd::Attachment
* * handle=0x000000000061e438)
fb_ping(__int64 * user_status=0x000000000061e438, unsigned int *
db_handle=0x000000000061d550)
`anonymous namespace'::attachmentShutdownThread(void * arg=0x0000000000000004)
`anonymous namespace'::threadStart(void * arg=0x0000000000000000)
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