Laurynas, if it makes any difference/is still of interest (re: upstream), this was also seen in Percona-Server-5.6.12-rc60.4-415-debug.Linux.x86_64, the patch branch provided for bug 1213885.
Laurynas, if it makes any difference/is still of interest (re: upstream), this was also seen in Percona- Server- 5.6.12- rc60.4- 415-debug. Linux.x86_ 64, the patch branch provided for bug 1213885.