I've just upgraded to 4.15.0.29.31 from proposed, and I can confirm Alan Jenkins' comment #17: the bug is still present:
$ uname -r 4.15.0-29-generic
$ sudo ./check block/016 block/016 (send a signal to a process waiting on a frozen queue) [failed] runtime ... 8,390s --- tests/block/016.out 2018-07-18 10:04:54.136492698 -0300 +++ results/nodev/block/016.out.bad 2018-07-18 10:22:55.171574748 -0300 @@ -1,2 +1,3 @@ Running block/016 +dd: error reading '/dev/nullb0': Input/output error Test complete
I've just upgraded to 4.15.0.29.31 from proposed, and I can confirm Alan Jenkins' comment #17: the bug is still present:
$ uname -r
4.15.0-29-generic
$ sudo ./check block/016 nodev/block/ 016.out. bad 2018-07-18 10:22:55.171574748 -0300
block/016 (send a signal to a process waiting on a frozen queue) [failed]
runtime ... 8,390s
--- tests/block/016.out 2018-07-18 10:04:54.136492698 -0300
+++ results/
@@ -1,2 +1,3 @@
Running block/016
+dd: error reading '/dev/nullb0': Input/output error
Test complete