Details
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Bug
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Status: Closed (View Workflow)
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Blocker
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Resolution: Fixed
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10.2
Description
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10.2 784473b9866 |
2020-10-26 11:37:57 0x7fcaed1ba700 InnoDB: Assertion failure in file /home/mariadb/MDEV-24026/10.2/storage/innobase/os/os0proc.cc line 159
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InnoDB: Failing assertion: os_total_large_mem_allocated >= size
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#1 0x00007fcaee8c98b1 in __GI_abort () at abort.c:79
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#2 0x000056125da95b76 in ut_dbg_assertion_failed (expr=0x56125dfa5ec8 "os_total_large_mem_allocated >= size", file=0x56125dfa5d70 "/home/mariadb/MDEV-24026/10.2/storage/innobase/os/os0proc.cc", line=159)
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at /home/mariadb/MDEV-24026/10.2/storage/innobase/ut/ut0dbg.cc:60
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#3 0x000056125d94ea04 in os_mem_free_large (ptr=0x7fcae4000000, size=67108864) at /home/mariadb/MDEV-24026/10.2/storage/innobase/os/os0proc.cc:159
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#4 0x000056125d2269fd in wf_incremental_deinit (ctxt=0x7fcaed1b9740) at /home/mariadb/MDEV-24026/10.2/extra/mariabackup/write_filt.cc:189
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#5 0x000056125d207bbe in xtrabackup_copy_datafile (node=0x56125f3b8db0, thread_n=1, dest_name=0x0, write_filter=...) at /home/mariadb/MDEV-24026/10.2/extra/mariabackup/xtrabackup.cc:2679
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#6 0x000056125d2086c5 in data_copy_thread_func (arg=0x56125f385cb0) at /home/mariadb/MDEV-24026/10.2/extra/mariabackup/xtrabackup.cc:2977
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#7 0x00007fcaf008d6db in start_thread (arg=0x7fcaed1ba700) at pthread_create.c:463
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#8 0x00007fcaee9aaa3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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Failure happens upon incremental backup. There are no obvious errors in the backup log prior to the failure.
Non-debug builds are affected the same way.
rr profile is available.
The problem apparently appeared in 10.2 after this commit:
commit 985ede92034696d544d484a29b45828d56a031a5
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Author: Vlad Lesin
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Date: Tue Oct 20 13:05:58 2020 +0300
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MDEV-20755 InnoDB: Database page corruption on disk or a failed file read of tablespace upon prepare of mariabackup incremental backup
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The test I use to reproduce the failure (happens frequently enough on the recent 10.2, every other run or so):
git clone https://github.com/MariaDB/randgen --branch mdev24026 rqg-mdev24026
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cd rqg-mdev24026
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perl ./runall-trials.pl --duration=350 --threads=4 --seed=1603674122 --reporters=Backtrace,ErrorLog,Deadlock --skip-gendata --gendata-advanced --engine=InnoDB --grammar=conf/mariadb/generic-dml.yy --redefine=conf/mariadb/bulk_insert.yy --filter=conf/mariadb/10.4-combo-filter.ff --mysqld=--log_output=FILE --mysqld=--max-statement-time=20 --mysqld=--lock-wait-timeout=10 --mysqld=--loose-innodb-lock-wait-timeout=5 --scenario=MariaBackupIncremental --redefine=conf/mariadb/alter_table.yy --redefine=conf/mariadb/modules/admin.yy --basedir1=/data/src/10.2-bug --vardir1=/dev/shm/var_mbackup --trials=5
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