Comment 4 for bug 1131949

Revision history for this message
George Ormond Lorch III (gl-az) wrote :

Looks like it is unaligned i/o on log file

Backtrace:
(gdb) bt
#0 _os_file_read (file=12, buf=0x7fffa8966010, offset=2048, offset_high=0, n=65536, trx=0x0) at os/os0file.c:2525
#1 0x0000000000865fc0 in os_aio (type=10, mode=24, name=0x3a948b8 "./ib_logfile0", file=12, buf=0x7fffa8966010, offset=2048, offset_high=0, n=65536, message1=0x3a947b8, message2=0x0, space_id=4294967280, trx=0x0) at os/os0file.c:3823
#2 0x0000000000935d58 in _fil_io (type=10, sync=1, space_id=4294967280, zip_size=0, block_offset=0, byte_offset=2048, len=65536, buf=0x7fffa8966010, message=0x0, trx=0x0) at fil/fil0fil.c:5341
#3 0x0000000000853f7b in log_group_read_log_seg (type=98887331, buf=0x7fffa8966010 "", group=0x3a94948, start_lsn=8192, end_lsn=73728) at log/log0log.c:2326
#4 0x0000000000856504 in log_online_follow_log_seg (group=0x3a94948, block_start_lsn=8192, block_end_lsn=73728) at log/log0online.c:973
#5 0x0000000000856697 in log_online_follow_log_group (group=0x3a94948, contiguous_lsn=8192) at log/log0online.c:1042
#6 0x0000000000856ba9 in log_online_follow_redo_log () at log/log0online.c:1212
#7 0x00000000008b514d in srv_redo_log_follow_thread (arg=0x0) at srv/srv0srv.c:2751
#8 0x000000391b007851 in start_thread () from /lib64/libpthread.so.0
#9 0x000000391a8e811d in clone () from /lib64/libc.so.6