Failures on RHEL-s390x-m64, branch master

[sergiodj+buildbot@sergiodj.net]

Buildslave:
	rhel-7_1-s390x-1

Full Build URL:
	<http://gdb-build.sergiodj.net/builders/RHEL-s390x-m64/builds/6868>

Commit(s) tested:
	03aa968462e0345b2d846ca240b8c723d713761a

Author(s) (in the same order as the commits):
	Alan Modra <amodra@gmail.com>

Subject:
	powerpc max-page-size vs __QNXTARGET__

Testsuite log (gdb.sum and gdb.log) URL(s):
	<http://gdb-build.sergiodj.net/results/RHEL-s390x-m64/03/03aa968462e0345b2d846ca240b8c723d713761a/>

*** Diff to previous build ***
============================
PASS -> FAIL: gdb.gdb/unittest.exp: maintenance check xml-descriptions ${srcdir}/../features
PASS -> FAIL: gdb.threads/process-dies-while-detaching.exp: single-process: continue: detach: continue
============================


*** Complete list of XFAILs for this builder ***

To obtain the list of XFAIL tests for this builder, go to:

	<https://git.sergiodj.net/gdb-xfails.git/tree/xfails/RHEL-s390x-m64/xfails/master/xfail?id=6aaa079>

You can also see a pretty-printed version of the list, with more information
about each XFAIL, by going to:

	<https://git.sergiodj.net/gdb-xfails.git/tree/xfails/RHEL-s390x-m64/xfails/master/xfail.table?id=6aaa079>