*** This bug is a duplicate of bug 1822247 ***
https://bugs.launchpad.net/bugs/1822247
** This bug has been marked a duplicate of bug 1822247
ubuntu_nbd_smoke_test failed on P9 with Bionic kernel
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https://bugs.launchpad.net/bugs/1825136
Title:
ubuntu_nbd_smoke_test failed with 4.15 kernel
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
ubuntu_nbd_smoke_test is failing with 4.15 kernel, can be reproduced
on KVM / bare metals:
creating backing nbd image /tmp/nbd_image.img
--------------------------------------------------------------------------------
Image path: /tmp/nbd_image.img
Mount point: /mnt/nbd-test-11013
Date: Fri Apr 12 00:41:45 UTC 2019
Host: curly
Kernel: 4.15.0-48-generic #51-Ubuntu SMP Wed Apr 3 08:28:49 UTC 2019
Machine: curly x86_64 x86_64
CPUs online: 2
CPUs total: 2
Page size: 4096
Pages avail: 249824
Pages total: 510259
Free space:
Filesystem Size Used Avail Use% Mounted on
udev 967M 0 967M 0% /dev
tmpfs 200M 752K 199M 1% /run
/dev/vda1 7.3G 4.1G 2.9G 59% /
tmpfs 997M 0 997M 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 997M 0 997M 0% /sys/fs/cgroup
tmpfs 200M 0 200M 0% /run/user/1000
--------------------------------------------------------------------------------
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 2.31.1
/dev/nbd0: clean, 11/32768 files, 9787/131072 blocks
mount:
/dev/nbd0 on /mnt/nbd-test-11013 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-11013
creating large file /mnt/nbd-test-11013/largefile
-rw-r--r-- 1 root root 100M Apr 12 00:41 /mnt/nbd-test-11013/largefile
free:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/nbd0 122835 103951 9710 92% /mnt/nbd-test-11013
removing file /mnt/nbd-test-11013/largefile
unmounting /mnt/nbd-test-11013
stopping client
disconnect, sock, done
Found kernel warning, IO error and/or call trace
echo
[ 487.485530] creating backing nbd image /tmp/nbd_image.img
[ 489.055452] NBD device /dev/nbd0 created
[ 489.755524] found nbd export
[ 490.810667] starting client with NBD device /dev/nbd0
[ 490.819578] creating ext4 on /dev/nbd0
[ 491.171437] mkfs on /dev/nbd0 succeeded after 0 attempt(s)
[ 491.369456] checking ext4 on /dev/nbd0
[ 491.391980] EXT4-fs (nbd0): mounted filesystem with ordered data mode.
Opts: (null)
[ 491.403665] mounted on /dev/nbd0
[ 491.406022] creating large file /mnt/nbd-test-11013/largefile
[ 492.853579] removing file /mnt/nbd-test-11013/largefile
[ 493.011021] unmounting /mnt/nbd-test-11013
[ 494.062904] stopping client
[ 494.066127] block nbd0: NBD_DISCONNECT
[ 494.066593] block nbd0: shutting down sockets
[ 494.066983] nbd0: detected capacity change from 0 to 134217728
[ 494.067033] print_req_error: I/O error, dev nbd0, sector 0
[ 494.068313] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.069987] print_req_error: I/O error, dev nbd0, sector 0
[ 494.070790] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.071799] print_req_error: I/O error, dev nbd0, sector 0
[ 494.072608] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.073606] ldm_validate_partition_table(): Disk read failed.
[ 494.073613] print_req_error: I/O error, dev nbd0, sector 0
[ 494.074400] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.075390] print_req_error: I/O error, dev nbd0, sector 0
[ 494.076206] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.077208] print_req_error: I/O error, dev nbd0, sector 0
[ 494.077995] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.078985] print_req_error: I/O error, dev nbd0, sector 0
[ 494.079772] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.080771] Dev nbd0: unable to read RDB block 0
[ 494.081734] print_req_error: I/O error, dev nbd0, sector 0
[ 494.082522] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.083518] print_req_error: I/O error, dev nbd0, sector 24
[ 494.084465] Buffer I/O error on dev nbd0, logical block 3, async page read
[ 494.085729] print_req_error: I/O error, dev nbd0, sector 0
[ 494.086517] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 494.087509] nbd0: unable to read partition table
[ 494.171320] Found kernel warning, IO error and/or call trace
[ 494.171374] echo
killing server
================================================================================
Completed
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-1036-oem 4.15.0-1036.41
ProcVersionSignature: User Name 4.15.0-1036.41-oem 4.15.18
Uname: Linux 4.15.0-1036-oem x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
Date: Wed Apr 17 08:44:35 2019
SourcePackage: linux-signed-oem
UpgradeStatus: No upgrade log present (probably fresh install)
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