Similar failure could be found on X-4.15, AMD64 (onibi) / i386 (pepe) * Command: /home/ubuntu/autotest/client/tests/ubuntu_nbd_smoke_test/ubuntu_nbd_smoke _test.sh Exit status: 1 Duration: 8.1468269825 stdout: creating backing nbd image /tmp/nbd_image.img -------------------------------------------------------------------------------- Image path: /tmp/nbd_image.img Mount point: /mnt/nbd-test-18217 Date: Fri Mar 29 07:44:02 UTC 2019 Host: onibi Kernel: 4.15.0-47-generic #50~16.04.1-Ubuntu SMP Fri Mar 15 16:06:21 UTC 2019 Machine: onibi x86_64 x86_64 CPUs online: 4 CPUs total: 4 Page size: 4096 Pages avail: 1340920 Pages total: 2038430 Free space: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 797M 17M 780M 3% /run /dev/sda1 917G 9.1G 861G 2% / tmpfs 3.9G 4.0K 3.9G 1% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup tmpfs 797M 0 797M 0% /run/user/1000 tmpfs 100K 0 100K 0% /var/lib/lxd/shmounts tmpfs 100K 0 100K 0% /var/lib/lxd/devlxd cgmfs 100K 0 100K 0% /run/cgmanager/fs -------------------------------------------------------------------------------- NBD device /dev/nbd0 created found nbd export NBD exports found: test starting client with NBD device /dev/nbd0 Negotiation: ..size = 128MB creating ext4 on /dev/nbd0 mkfs on /dev/nbd0 succeeded after 0 attempt(s) checking ext4 on /dev/nbd0 fsck from util-linux 2.27.1 /dev/nbd0: clean, 11/32768 files, 9787/131072 blocks mount: /dev/nbd0 on /mnt/nbd-test-18217 type ext4 (rw,relatime,data=ordered) mounted on /dev/nbd0 free: Filesystem 1K-blocks Used Available Use% Mounted on /dev/nbd0 122835 1550 112111 2% /mnt/nbd-test-18217 creating large file /mnt/nbd-test-18217/largefile -rw-r--r-- 1 root root 100M Mar 29 07:44 /mnt/nbd-test-18217/largefile free: Filesystem 1K-blocks Used Available Use% Mounted on /dev/nbd0 122835 103951 9710 92% /mnt/nbd-test-18217 removing file /mnt/nbd-test-18217/largefile unmounting /mnt/nbd-test-18217 stopping client disconnect, sock, done Found kernel warning, IO error and/or call trace echo [ 4088.409864] creating backing nbd image /tmp/nbd_image.img [ 4090.412514] NBD device /dev/nbd0 created [ 4090.464858] found nbd export [ 4091.510701] starting client with NBD device /dev/nbd0 [ 4091.512739] creating ext4 on /dev/nbd0 [ 4091.799747] mkfs on /dev/nbd0 succeeded after 0 attempt(s) [ 4092.155113] checking ext4 on /dev/nbd0 [ 4092.232523] EXT4-fs (nbd0): mounted filesystem with ordered data mode. Opts: (null) [ 4092.237839] mounted on /dev/nbd0 [ 4092.239111] creating large file /mnt/nbd-test-18217/largefile [ 4093.429863] removing file /mnt/nbd-test-18217/largefile [ 4093.685500] unmounting /mnt/nbd-test-18217 [ 4094.741235] stopping client [ 4094.741850] block nbd0: NBD_DISCONNECT [ 4094.741892] block nbd0: shutting down sockets [ 4094.741988] nbd0: detected capacity change from 0 to 134217728 [ 4094.742025] print_req_error: 1 callbacks suppressed [ 4094.742026] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742053] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742091] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742113] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742147] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742169] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742197] ldm_validate_partition_table(): Disk read failed. [ 4094.742204] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742225] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742288] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742313] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742354] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742378] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742419] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742440] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742468] Dev nbd0: unable to read RDB block 0 [ 4094.742492] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742513] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742599] print_req_error: I/O error, dev nbd0, sector 24 [ 4094.742625] Buffer I/O error on dev nbd0, logical block 3, async page read [ 4094.742723] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742749] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742918] nbd0: unable to read partition table [ 4095.465090] Found kernel warning, IO error and/or call trace [ 4095.465145] echo killing server ================================================================================ Completed Kernel issues: Found kernel warning, IO error and/or call trace: TEST: [ 4088.409864] creating backing nbd image /tmp/nbd_image.img [ 4090.412514] NBD device /dev/nbd0 created [ 4090.464858] found nbd export [ 4091.510701] starting client with NBD device /dev/nbd0 [ 4091.512739] creating ext4 on /dev/nbd0 [ 4091.799747] mkfs on /dev/nbd0 succeeded after 0 attempt(s) [ 4092.155113] checking ext4 on /dev/nbd0 [ 4092.232523] EXT4-fs (nbd0): mounted filesystem with ordered data mode. Opts: (null) [ 4092.237839] mounted on /dev/nbd0 [ 4092.239111] creating large file /mnt/nbd-test-18217/largefile [ 4093.429863] removing file /mnt/nbd-test-18217/largefile [ 4093.685500] unmounting /mnt/nbd-test-18217 [ 4094.741235] stopping client [ 4094.741850] block nbd0: NBD_DISCONNECT [ 4094.741892] block nbd0: shutting down sockets [ 4094.741988] nbd0: detected capacity change from 0 to 134217728 [ 4094.742025] print_req_error: 1 callbacks suppressed [ 4094.742026] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742053] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742091] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742113] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742147] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742169] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742197] ldm_validate_partition_table(): Disk read failed. [ 4094.742204] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742225] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742288] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742313] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742354] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742378] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742419] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742440] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742468] Dev nbd0: unable to read RDB block 0 [ 4094.742492] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742513] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742599] print_req_error: I/O error, dev nbd0, sector 24 [ 4094.742625] Buffer I/O error on dev nbd0, logical block 3, async page read [ 4094.742723] print_req_error: I/O error, dev nbd0, sector 0 [ 4094.742749] Buffer I/O error on dev nbd0, logical block 0, async page read [ 4094.742918] nbd0: unable to read partition table [ 4095.465090] Found kernel warning, IO error and/or call trace [ 4095.465145] echo stderr: bs=1024, sz=134217728 bytes timeout=30 e2fsck 1.42.13 (17-May-2015)