Comment 2 for bug 1720659

ppc64el:

autopkgtest [12:33:11]: test test_flashcache.sh: [-----------------------
II: Checking for 5G available disk space...OK
II: Creating loop files:
II: - backing-9821.img...OK
II: - cache-9821.img...OK
II: Connecting to loop devices:
II: - backing-9821.img -> /dev/loop0...OK
II: - cache-9821.img -> /dev/loop1...OK
II: Loading flashcache module...OK
II: Creating flashcache logical device...
device-mapper: reload ioctl on fctgt failed: Invalid argument
cachedev fctgt, ssd_devname /dev/loop1, disk_devname /dev/loop0 cache mode WRITE_BACK
block_size 8, md_block_size 8, cache_size 2097152
Flashcache metadata will use 5MB of your 1513MB main memory
Command failed
echo 0 8388608 flashcache /dev/loop0 /dev/loop1 fctgt 1 2 8 2097152 512 0 0 8 | dmsetup create fctgt failed
FAILED!
II: Detaching /dev/loop1...
II: Detaching /dev/loop0...
II: Deleting file images...
EE: FAIL
autopkgtest [12:33:13]: test test_flashcache.sh: -----------------------]
autopkgtest [12:33:15]: test test_flashcache.sh: - - - - - - - - - - results - - - - - - - - - -
test_flashcache.sh FAIL non-zero exit status 1
autopkgtest [12:33:15]: test test_flashcache.sh: - - - - - - - - - - stderr - - - - - - - - - -
device-mapper: reload ioctl on fctgt failed: Invalid argument
Command failed
echo 0 8388608 flashcache /dev/loop0 /dev/loop1 fctgt 1 2 8 2097152 512 0 0 8 | dmsetup create fctgt failed