The upstream bug#66819 was marked as closed.
@Alexey Kopytov , I had read the related code of MySQL5.5.29. It seems MySQL5.5.29 didn't fix all potential bug you had pointed out.
IBUF_OP_DELETE operation in ibuf_merge_or_delete_for_page() still commit mtr before calling ibuf_delete_rec().
Related: http://bazaar.launchpad.net/~mysql/mysql-server/5.5/revision/3979
The upstream bug#66819 was marked as closed.
@Alexey Kopytov , I had read the related code of MySQL5.5.29. It seems MySQL5.5.29 didn't fix all potential bug you had pointed out.
IBUF_OP_DELETE operation in ibuf_merge_ or_delete_ for_page( ) still commit mtr before calling ibuf_delete_rec().
Related: bazaar. launchpad. net/~mysql/ mysql-server/ 5.5/revision/ 3979
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