tests: compatible with older kernels

Older kernels just show syscall stacktrace.

diff --git a/test/shell/dmsecuretest.sh b/test/shell/dmsecuretest.sh
index 0f53ea7041eed637671c8e23acd021c8fd587bec..144b1f4aec3a2a772c4e6b73c946977889d92748 100644 (file)
--- a/test/shell/dmsecuretest.sh
+++ b/test/shell/dmsecuretest.sh
@@ -47,7 +47,7 @@ dmsetup status "$DMTEST"
 # generate core file for running&sleeping binary
 gcore "$PID" | tee out
 # check we capture core while  dmsecuretest was already sleeping
-grep "nanosleep" out
+grep "nanosleep" out || grep kernel_vsyscall out
 kill "$PID" || true
 wait