[LU-8346] conf-sanity test_93: test failed to respond and timed out

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.10.0, Lustre 2.10.1, Lustre 2.11.0, Lustre 2.13.0, Lustre 2.12.1
• Affects Version/s: Lustre 2.10.0
• Severity: 3
• Assignee: Hongchao Zhang
• Reporter: Maloo

Description

This issue was created by maloo for bfaccini <[e-mail]>

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/59eb46d2-3d9f-11e6-a0ce-5254006e85c2.

The sub-test test_93 failed with the following error:

test failed to respond and timed out

Test log indicates onyx-32vm3 is not responding correctly after parallel mount of MDS[2,4] :

== conf-sanity test 93: register mulitple MDT at the same time ======================================= 15:20:48 (1467152448)
Stopping clients: onyx-32vm1.onyx.hpdd.intel.com,onyx-32vm2 /mnt/lustre (opts:)
CMD: onyx-32vm1.onyx.hpdd.intel.com,onyx-32vm2 running=\$(grep -c /mnt/lustre' ' /proc/mounts);
if [ \$running -ne 0 ] ; then
echo Stopping client \$(hostname) /mnt/lustre opts:;
lsof /mnt/lustre || need_kill=no;
if [ x != x -a x\$need_kill != xno ]; then
    pids=\$(lsof -t /mnt/lustre | sort -u);
    if [ -n \"\$pids\" ]; then
             kill -9 \$pids;
    fi
fi;
while umount  /mnt/lustre 2>&1 | grep -q busy; do
    echo /mnt/lustre is still busy, wait one second && sleep 1;
done;
fi
Stopping clients: onyx-32vm1.onyx.hpdd.intel.com,onyx-32vm2 /mnt/lustre2 (opts:)
CMD: onyx-32vm1.onyx.hpdd.intel.com,onyx-32vm2 running=\$(grep -c /mnt/lustre2' ' /proc/mounts);
if [ \$running -ne 0 ] ; then
echo Stopping client \$(hostname) /mnt/lustre2 opts:;
lsof /mnt/lustre2 || need_kill=no;
if [ x != x -a x\$need_kill != xno ]; then
    pids=\$(lsof -t /mnt/lustre2 | sort -u);
    if [ -n \"\$pids\" ]; then
             kill -9 \$pids;
    fi
fi;
while umount  /mnt/lustre2 2>&1 | grep -q busy; do
    echo /mnt/lustre2 is still busy, wait one second && sleep 1;
done;
fi
CMD: onyx-32vm7 grep -c /mnt/lustre-mds1' ' /proc/mounts
CMD: onyx-32vm7 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm3 grep -c /mnt/lustre-mds2' ' /proc/mounts
CMD: onyx-32vm3 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm7 grep -c /mnt/lustre-mds3' ' /proc/mounts
CMD: onyx-32vm7 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm3 grep -c /mnt/lustre-mds4' ' /proc/mounts
CMD: onyx-32vm3 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost1' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost2' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost3' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost4' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost5' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost6' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost7' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 grep -c /mnt/lustre-ost8' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm2,onyx-32vm3,onyx-32vm7,onyx-32vm8 PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lustre/tests/racer:/usr/lib64/lustre/../lustre-iokit/sgpdd-survey:/usr/lib64/lustre/tests:/usr/lib64/lustre/utils/gss:/usr/lib64/lustre/utils:/usr/lib64/qt-3.3/bin:/usr/lib64/compat-openmpi16/bin:/usr/bin:/bin:/usr/sbin:/sbin::/sbin:/bin:/usr/sbin: NAME=autotest_config sh rpc.sh set_hostid 
Loading modules from /usr/lib64/lustre
detected 2 online CPUs by sysfs
Force libcfs to create 2 CPU partitions
debug=-1
subsystem_debug=all -lnet -lnd -pinger
Formatting mgs, mds, osts
Format mds1: /dev/lvm-Role_MDS/P1
CMD: onyx-32vm7 grep -c /mnt/lustre-mds1' ' /proc/mounts
CMD: onyx-32vm7 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm7 mkfs.lustre --mgs --fsname=lustre --mdt --index=0 --param=sys.timeout=20 --param=lov.stripesize=1048576 --param=lov.stripecount=0 --param=mdt.identity_upcall=/usr/sbin/l_getidentity --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_MDS/P1

   Permanent disk data:
Target:     lustre:MDT0000
Index:      0
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x65
              (MDT MGS first_time update )
Persistent mount opts: user_xattr,errors=remount-ro
Parameters: sys.timeout=20 lov.stripesize=1048576 lov.stripecount=0 mdt.identity_upcall=/usr/sbin/l_getidentity

device size = 2048MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_MDS/P1
	target name   lustre:MDT0000
	4k blocks     50000
	options        -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0000  -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F /dev/lvm-Role_MDS/P1 50000
Writing CONFIGS/mountdata
Format mds2: /dev/lvm-Role_MDS/P2
CMD: onyx-32vm3 grep -c /mnt/lustre-mds2' ' /proc/mounts
CMD: onyx-32vm3 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm3 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --mdt --index=1 --param=sys.timeout=20 --param=lov.stripesize=1048576 --param=lov.stripecount=0 --param=mdt.identity_upcall=/usr/sbin/l_getidentity --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_MDS/P2

   Permanent disk data:
Target:     lustre:MDT0001
Index:      1
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x61
              (MDT first_time update )
Persistent mount opts: user_xattr,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20 lov.stripesize=1048576 lov.stripecount=0 mdt.identity_upcall=/usr/sbin/l_getidentity

device size = 2048MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_MDS/P2
	target name   lustre:MDT0001
	4k blocks     50000
	options        -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0001  -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F /dev/lvm-Role_MDS/P2 50000
Writing CONFIGS/mountdata
Format mds3: /dev/lvm-Role_MDS/P3
CMD: onyx-32vm7 grep -c /mnt/lustre-mds3' ' /proc/mounts
CMD: onyx-32vm7 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm7 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --mdt --index=2 --param=sys.timeout=20 --param=lov.stripesize=1048576 --param=lov.stripecount=0 --param=mdt.identity_upcall=/usr/sbin/l_getidentity --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_MDS/P3

   Permanent disk data:
Target:     lustre:MDT0002
Index:      2
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x61
              (MDT first_time update )
Persistent mount opts: user_xattr,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20 lov.stripesize=1048576 lov.stripecount=0 mdt.identity_upcall=/usr/sbin/l_getidentity

device size = 2048MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_MDS/P3
	target name   lustre:MDT0002
	4k blocks     50000
	options        -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0002  -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F /dev/lvm-Role_MDS/P3 50000
Writing CONFIGS/mountdata
Format mds4: /dev/lvm-Role_MDS/P4
CMD: onyx-32vm3 grep -c /mnt/lustre-mds4' ' /proc/mounts
CMD: onyx-32vm3 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm3 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --mdt --index=3 --param=sys.timeout=20 --param=lov.stripesize=1048576 --param=lov.stripecount=0 --param=mdt.identity_upcall=/usr/sbin/l_getidentity --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_MDS/P4

   Permanent disk data:
Target:     lustre:MDT0003
Index:      3
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x61
              (MDT first_time update )
Persistent mount opts: user_xattr,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20 lov.stripesize=1048576 lov.stripecount=0 mdt.identity_upcall=/usr/sbin/l_getidentity

device size = 2048MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_MDS/P4
	target name   lustre:MDT0003
	4k blocks     50000
	options        -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:MDT0003  -I 512 -i 2048 -q -O dirdata,uninit_bg,^extents,dir_nlink,quota,huge_file,flex_bg -E lazy_itable_init,lazy_journal_init -F /dev/lvm-Role_MDS/P4 50000
Writing CONFIGS/mountdata
Format ost1: /dev/lvm-Role_OSS/P1
CMD: onyx-32vm8 grep -c /mnt/lustre-ost1' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=0 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P1

   Permanent disk data:
Target:     lustre:OST0000
Index:      0
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P1
	target name   lustre:OST0000
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0000  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P1 50000
Writing CONFIGS/mountdata
Format ost2: /dev/lvm-Role_OSS/P2
CMD: onyx-32vm8 grep -c /mnt/lustre-ost2' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=1 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P2

   Permanent disk data:
Target:     lustre:OST0001
Index:      1
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P2
	target name   lustre:OST0001
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0001  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P2 50000
Writing CONFIGS/mountdata
Format ost3: /dev/lvm-Role_OSS/P3
CMD: onyx-32vm8 grep -c /mnt/lustre-ost3' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=2 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P3

   Permanent disk data:
Target:     lustre:OST0002
Index:      2
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P3
	target name   lustre:OST0002
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0002  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P3 50000
Writing CONFIGS/mountdata
Format ost4: /dev/lvm-Role_OSS/P4
CMD: onyx-32vm8 grep -c /mnt/lustre-ost4' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=3 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P4

   Permanent disk data:
Target:     lustre:OST0003
Index:      3
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P4
	target name   lustre:OST0003
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0003  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P4 50000
Writing CONFIGS/mountdata
Format ost5: /dev/lvm-Role_OSS/P5
CMD: onyx-32vm8 grep -c /mnt/lustre-ost5' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=4 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P5

   Permanent disk data:
Target:     lustre:OST0004
Index:      4
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P5
	target name   lustre:OST0004
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0004  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P5 50000
Writing CONFIGS/mountdata
Format ost6: /dev/lvm-Role_OSS/P6
CMD: onyx-32vm8 grep -c /mnt/lustre-ost6' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=5 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P6

   Permanent disk data:
Target:     lustre:OST0005
Index:      5
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P6
	target name   lustre:OST0005
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0005  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P6 50000
Writing CONFIGS/mountdata
Format ost7: /dev/lvm-Role_OSS/P7
CMD: onyx-32vm8 grep -c /mnt/lustre-ost7' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=6 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P7

   Permanent disk data:
Target:     lustre:OST0006
Index:      6
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P7
	target name   lustre:OST0006
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0006  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P7 50000
Writing CONFIGS/mountdata
Format ost8: /dev/lvm-Role_OSS/P8
CMD: onyx-32vm8 grep -c /mnt/lustre-ost8' ' /proc/mounts
CMD: onyx-32vm8 lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
CMD: onyx-32vm8 mkfs.lustre --mgsnode=onyx-32vm7@tcp --fsname=lustre --ost --index=7 --param=sys.timeout=20 --backfstype=ldiskfs --device-size=200000 --mkfsoptions=\"-E lazy_itable_init\" --reformat /dev/lvm-Role_OSS/P8

   Permanent disk data:
Target:     lustre:OST0007
Index:      7
Lustre FS:  lustre
Mount type: ldiskfs
Flags:      0x62
              (OST first_time update )
Persistent mount opts: ,errors=remount-ro
Parameters: mgsnode=10.2.4.117@tcp sys.timeout=20

device size = 9912MB
formatting backing filesystem ldiskfs on /dev/lvm-Role_OSS/P8
	target name   lustre:OST0007
	4k blocks     50000
	options        -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F
mkfs_cmd = mke2fs -j -b 4096 -L lustre:OST0007  -I 256 -q -O extents,uninit_bg,dir_nlink,quota,huge_file,flex_bg -G 256 -E lazy_itable_init,resize="4290772992",lazy_journal_init -F /dev/lvm-Role_OSS/P8 50000
Writing CONFIGS/mountdata
start mds service on onyx-32vm7
CMD: onyx-32vm7 mkdir -p /mnt/lustre-mds1
CMD: onyx-32vm7 test -b /dev/lvm-Role_MDS/P1
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P1
Starting mds1:   /dev/lvm-Role_MDS/P1 /mnt/lustre-mds1
CMD: onyx-32vm7 mkdir -p /mnt/lustre-mds1; mount -t lustre   		                   /dev/lvm-Role_MDS/P1 /mnt/lustre-mds1
CMD: onyx-32vm7 /usr/sbin/lctl get_param -n health_check
CMD: onyx-32vm7 PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lustre/tests/racer:/usr/lib64/lustre/../lustre-iokit/sgpdd-survey:/usr/lib64/lustre/tests:/usr/lib64/lustre/utils/gss:/usr/lib64/lustre/utils:/usr/lib64/qt-3.3/bin:/usr/lib64/compat-openmpi16/bin:/usr/bin:/bin:/usr/sbin:/sbin::/sbin:/bin:/usr/sbin: NAME=autotest_config sh rpc.sh set_default_debug \"-1\" \"all -lnet -lnd -pinger\" 4 
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P1 				2>/dev/null | grep -E ':[a-zA-Z]{3}[0-9]{4}'
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P1 				2>/dev/null | grep -E ':[a-zA-Z]{3}[0-9]{4}'
CMD: onyx-32vm7 sync; sync; sync
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P1 2>/dev/null
Started lustre-MDT0000
start ost1 service on onyx-32vm8
CMD: onyx-32vm8 mkdir -p /mnt/lustre-ost1
CMD: onyx-32vm8 test -b /dev/lvm-Role_OSS/P1
CMD: onyx-32vm8 e2label /dev/lvm-Role_OSS/P1
Starting ost1:   /dev/lvm-Role_OSS/P1 /mnt/lustre-ost1
CMD: onyx-32vm8 mkdir -p /mnt/lustre-ost1; mount -t lustre   		                   /dev/lvm-Role_OSS/P1 /mnt/lustre-ost1
CMD: onyx-32vm8 /usr/sbin/lctl get_param -n health_check
CMD: onyx-32vm8 PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lustre/tests/racer:/usr/lib64/lustre/../lustre-iokit/sgpdd-survey:/usr/lib64/lustre/tests:/usr/lib64/lustre/utils/gss:/usr/lib64/lustre/utils:/usr/lib64/qt-3.3/bin:/usr/lib64/compat-openmpi16/bin:/usr/bin:/bin:/usr/sbin:/sbin::/sbin:/bin:/usr/sbin: NAME=autotest_config sh rpc.sh set_default_debug \"-1\" \"all -lnet -lnd -pinger\" 4 
CMD: onyx-32vm8 e2label /dev/lvm-Role_OSS/P1 				2>/dev/null | grep -E ':[a-zA-Z]{3}[0-9]{4}'
CMD: onyx-32vm8 e2label /dev/lvm-Role_OSS/P1 				2>/dev/null | grep -E ':[a-zA-Z]{3}[0-9]{4}'
CMD: onyx-32vm8 sync; sync; sync
CMD: onyx-32vm8 e2label /dev/lvm-Role_OSS/P1 2>/dev/null
Started lustre-OST0000
CMD: onyx-32vm7 /usr/sbin/lctl set_param fail_val = 10 fail_loc=0x8000090e
onyx-32vm7: error: set_param: setting /proc/sys/lnet/fail_val==: Invalid argument
onyx-32vm7: error: set_param: param_path '10': No such file or directory
mount lustre on /mnt/lustre.....
Starting client: onyx-32vm1.onyx.hpdd.intel.com:  -o user_xattr,flock onyx-32vm7@tcp:/lustre /mnt/lustre
CMD: onyx-32vm1.onyx.hpdd.intel.com mkdir -p /mnt/lustre
start mds service on onyx-32vm7
start mds service on onyx-32vm3
start mds service on onyx-32vm3
CMD: onyx-32vm1.onyx.hpdd.intel.com mount -t lustre -o user_xattr,flock onyx-32vm7@tcp:/lustre /mnt/lustre
CMD: onyx-32vm7 mkdir -p /mnt/lustre-mds3
CMD: onyx-32vm3 mkdir -p /mnt/lustre-mds2
CMD: onyx-32vm3 mkdir -p /mnt/lustre-mds4
CMD: onyx-32vm3 test -b /dev/lvm-Role_MDS/P2
CMD: onyx-32vm3 test -b /dev/lvm-Role_MDS/P4
CMD: onyx-32vm7 test -b /dev/lvm-Role_MDS/P3
CMD: onyx-32vm3 e2label /dev/lvm-Role_MDS/P4
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P3
CMD: onyx-32vm3 e2label /dev/lvm-Role_MDS/P2
Starting mds3:   /dev/lvm-Role_MDS/P3 /mnt/lustre-mds3
CMD: onyx-32vm7 mkdir -p /mnt/lustre-mds3; mount -t lustre   		                   /dev/lvm-Role_MDS/P3 /mnt/lustre-mds3
Starting mds4:   /dev/lvm-Role_MDS/P4 /mnt/lustre-mds4
CMD: onyx-32vm3 mkdir -p /mnt/lustre-mds4; mount -t lustre   		                   /dev/lvm-Role_MDS/P4 /mnt/lustre-mds4
Starting mds2:   /dev/lvm-Role_MDS/P2 /mnt/lustre-mds2
CMD: onyx-32vm3 mkdir -p /mnt/lustre-mds2; mount -t lustre   		                   /dev/lvm-Role_MDS/P2 /mnt/lustre-mds2
CMD: onyx-32vm7 /usr/sbin/lctl get_param -n health_check
CMD: onyx-32vm7 PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lustre/tests/racer:/usr/lib64/lustre/../lustre-iokit/sgpdd-survey:/usr/lib64/lustre/tests:/usr/lib64/lustre/utils/gss:/usr/lib64/lustre/utils:/usr/lib64/qt-3.3/bin:/usr/lib64/compat-openmpi16/bin:/usr/bin:/bin:/usr/sbin:/sbin::/sbin:/bin:/usr/sbin: NAME=autotest_config sh rpc.sh set_default_debug \"-1\" \"all -lnet -lnd -pinger\" 4 
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P3 				2>/dev/null | grep -E ':[a-zA-Z]{3}[0-9]{4}'
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P3 				2>/dev/null | grep -E ':[a-zA-Z]{3}[0-9]{4}'
CMD: onyx-32vm7 sync; sync; sync
CMD: onyx-32vm7 e2label /dev/lvm-Role_MDS/P3 2>/dev/null
Started lustre-MDT0002
CMD: onyx-32vm7 lctl list_param osc.lustre-OST*-osc             > /dev/null 2>&1
CMD: onyx-32vm7 lctl get_param -n at_min
CMD: onyx-32vm7 PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lustre/tests/racer:/usr/lib64/lustre/../lustre-iokit/sgpdd-survey:/usr/lib64/lustre/tests:/usr/lib64/lustre/utils/gss:/usr/lib64/lustre/utils:/usr/lib64/qt-3.3/bin:/usr/lib64/compat-openmpi16/bin:/usr/bin:/bin:/usr/sbin:/sbin::/sbin:/bin:/usr/sbin: NAME=autotest_config sh rpc.sh wait_import_state FULL osc.lustre-OST0000-osc-MDT0000.ost_server_uuid 40 
onyx-32vm7: osc.lustre-OST0000-osc-MDT0000.ost_server_uuid in FULL state after 0 sec
CMD: onyx-32vm3 /usr/sbin/lctl lustre_build_version
pdsh@onyx-32vm1: onyx-32vm3: mcmd: connect failed: Connection refused
/usr/lib64/lustre/tests/test-framework.sh: line 382: ( << 16) | ( << 8) | : syntax error: operand expected (error token is "<< 16) | ( << 8) | ")
/usr/lib64/lustre/tests/test-framework.sh: line 5818: [: -le: unary operator expected
CMD: onyx-32vm3 /usr/sbin/lctl lustre_build_version
pdsh@onyx-32vm1: onyx-32vm3: mcmd: connect failed: Connection refused
/usr/lib64/lustre/tests/test-framework.sh: line 382: ( << 16) | ( << 8) | : syntax error: operand expected (error token is "<< 16) | ( << 8) | ")
/usr/lib64/lustre/tests/test-framework.sh: line 5803: [: -gt: unary operator expected
CMD: onyx-32vm3 lctl get_param -n at_min
pdsh@onyx-32vm1: onyx-32vm3: mcmd: connect failed: Connection refused
CMD: onyx-32vm3 PATH=/usr/lib64/lustre/tests:/usr/lib/lustre/tests:/usr/lib64/lustre/tests:/opt/iozone/bin:/usr/lib64/lustre/tests//usr/lib64/lustre/tests:/usr/lib64/lustre/tests:/usr/lib64/lustre/tests/../utils:/opt/iozone/bin:/usr/lib64/lustre/tests/mpi:/usr/lib64/lustre/tests/racer:/usr/lib64/lustre/../lustre-iokit/sgpdd-survey:/usr/lib64/lustre/tests:/usr/lib64/lustre/utils/gss:/usr/lib64/lustre/utils:/usr/lib64/qt-3.3/bin:/usr/lib64/compat-openmpi16/bin:/usr/bin:/bin:/usr/sbin:/sbin::/sbin:/bin:/usr/sbin: NAME=autotest_config sh rpc.sh wait_import_state FULL osc.lustre-OST0000-osc-MDT0001.ost_server_uuid 40 
pdsh@onyx-32vm1: onyx-32vm3: mcmd: connect failed: Connection refused
 conf-sanity test_93: @@@@@@ FAIL: import is not in FULL state 
  Trace dump:
  = /usr/lib64/lustre/tests/test-framework.sh:4785:error()
  = /usr/lib64/lustre/tests/test-framework.sh:5976:_wait_osc_import_state()
  = /usr/lib64/lustre/tests/test-framework.sh:5991:wait_osc_import_state()
  = /usr/lib64/lustre/tests/conf-sanity.sh:6467:test_93()
  = /usr/lib64/lustre/tests/test-framework.sh:5049:run_one()
  = /usr/lib64/lustre/tests/test-framework.sh:5088:run_one_logged()
  = /usr/lib64/lustre/tests/test-framework.sh:4935:run_test()
  = /usr/lib64/lustre/tests/conf-sanity.sh:6473:main()
Dumping lctl log to /logdir/test_logs/2016-06-28/lustre-reviews-el7-x86_64--review-dne-part-1--1_6_1__40104__-69939819083780-054108/conf-sanity.test_93.*.1467152498.log
CMD: onyx-32vm1.onyx.hpdd.intel.com,onyx-32vm2,onyx-32vm3,onyx-32vm7,onyx-32vm8 /usr/sbin/lctl dk > /logdir/test_logs/2016-06-28/lustre-reviews-el7-x86_64--review-dne-part-1--1_6_1__40104__-69939819083780-054108/conf-sanity.test_93.debug_log.\$(hostname -s).1467152498.log;
         dmesg > /logdir/test_logs/2016-06-28/lustre-reviews-el7-x86_64--review-dne-part-1--1_6_1__40104__-69939819083780-054108/conf-sanity.test_93.dmesg.\$(hostname -s).1467152498.log
pdsh@onyx-32vm1: onyx-32vm3: mcmd: connect failed: Connection refused
Resetting fail_loc on all nodes...CMD: onyx-32vm1.onyx.hpdd.intel.com,onyx-32vm2,onyx-32vm3,onyx-32vm7,onyx-32vm8 lctl set_param -n fail_loc=0 	    fail_val=0 2>/dev/null || true
pdsh@onyx-32vm1: onyx-32vm3: mcmd: connect failed: Connection refused
done.

This occurs during conf-sanity/test_93 :

test_93() {
        [ $MDSCOUNT -lt 3 ] && skip "needs >= 3 MDTs" && return

        reformat
        #start mgs or mgs/mdt0
        if ! combined_mgs_mds ; then
                start_mgs
                start_mdt 1
        else
                start_mdt 1
        fi

        start_ost || error "OST0 start fail"

        #define OBD_FAIL_MGS_WRITE_TARGET_DELAY  0x90e
        do_facet mgs "$LCTL set_param fail_val = 10 fail_loc=0x8000090e"
        for num in $(seq 2 $MDSCOUNT); do
                start_mdt $num &    <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
        done

        mount_client $MOUNT || error "mount client fails"
        wait_osc_import_state mds ost FULL
        wait_osc_import_state client ost FULL
        check_mount || error "check_mount failed"

        cleanup || error "cleanup failed with $?"
}
run_test 93 "register mulitple MDT at the same time"

and the reason of the failure is the following crash/LBUG found in onyx-32vm3/MDS Console log :

15:21:36:[29395.748697] Lustre: DEBUG MARKER: mkdir -p /mnt/lustre-mds4
15:21:36:[29395.753612] Lustre: DEBUG MARKER: mkdir -p /mnt/lustre-mds2
15:21:36:[29396.019926] Lustre: DEBUG MARKER: test -b /dev/lvm-Role_MDS/P4
15:21:36:[29396.024718] Lustre: DEBUG MARKER: test -b /dev/lvm-Role_MDS/P2
15:21:36:[29396.306479] Lustre: DEBUG MARKER: e2label /dev/lvm-Role_MDS/P2
15:21:36:[29396.311613] Lustre: DEBUG MARKER: e2label /dev/lvm-Role_MDS/P4
15:21:36:[29396.577947] Lustre: DEBUG MARKER: mkdir -p /mnt/lustre-mds2; mount -t lustre   		                   /dev/lvm-Role_MDS/P2 /mnt/lustre-mds2
15:21:36:[29396.594860] Lustre: DEBUG MARKER: mkdir -p /mnt/lustre-mds4; mount -t lustre   		                   /dev/lvm-Role_MDS/P4 /mnt/lustre-mds4
15:21:36:[29396.743622] LDISKFS-fs (dm-1): mounted filesystem with ordered data mode. Opts: errors=remount-ro
15:21:36:[29396.750879] LDISKFS-fs (dm-3): mounted filesystem with ordered data mode. Opts: errors=remount-ro
15:21:36:[29396.909772] LustreError: 26347:0:(osd_handler.c:6468:osd_device_init0()) ASSERTION( info ) failed: 
15:21:36:[29396.912150] LustreError: 26347:0:(osd_handler.c:6468:osd_device_init0()) LBUG
15:21:36:[29396.915016] Pid: 26347, comm: mount.lustre
15:21:36:[29396.919614] 
15:21:36:[29396.919614] Call Trace:
15:21:36:[29396.922958]  [<ffffffffa05e67d3>] libcfs_debug_dumpstack+0x53/0x80 [libcfs]
15:21:36:[29396.925401]  [<ffffffffa05e6d75>] lbug_with_loc+0x45/0xc0 [libcfs]
15:21:36:[29396.927434]  [<ffffffffa0c24ccf>] osd_device_alloc+0x70f/0x880 [osd_ldiskfs]
15:21:36:[29396.929611]  [<ffffffffa07cd104>] obd_setup+0x114/0x2a0 [obdclass]
15:21:36:[29396.931618]  [<ffffffffa07cfb54>] class_setup+0x2f4/0x8d0 [obdclass]
15:21:36:[29396.933586]  [<ffffffffa07d3ee7>] class_process_config+0x1de7/0x2f70 [obdclass]
15:21:36:[29396.935800]  [<ffffffffa05f1957>] ? libcfs_debug_msg+0x57/0x80 [libcfs]
15:21:36:[29396.937938] LDISKFS-fs (dm-1): mounted filesystem with ordered data mode. Opts: user_xattr,errors=remount-ro,no_mbcache
15:21:36:[29396.937939]  [<ffffffffa07dcb69>] do_lcfg+0x159/0x5d0 [obdclass]
15:21:36:[29396.937954]  [<ffffffffa07dd928>] lustre_start_simple+0x88/0x210 [obdclass]
15:21:36:[29396.937972]  [<ffffffffa0808ac4>] server_fill_super+0xf24/0x184c [obdclass]
15:21:36:[29396.937977]  [<ffffffffa05f1957>] ? libcfs_debug_msg+0x57/0x80 [libcfs]
15:21:36:[29396.937991]  [<ffffffffa07e09e8>] lustre_fill_super+0x328/0x950 [obdclass]
15:21:36:[29396.938013]  [<ffffffffa07e06c0>] ? lustre_fill_super+0x0/0x950 [obdclass]
15:21:36:[29396.938019]  [<ffffffff811e1f2d>] mount_nodev+0x4d/0xb0
15:21:36:[29396.938033]  [<ffffffffa07d8918>] lustre_mount+0x38/0x60 [obdclass]
15:21:36:[29396.938034]  [<ffffffff811e28d9>] mount_fs+0x39/0x1b0
15:21:36:[29396.938038]  [<ffffffff811fe1af>] vfs_kern_mount+0x5f/0xf0
15:21:36:[29396.938039]  [<ffffffff812006fe>] do_mount+0x24e/0xa40
15:21:36:[29396.938043]  [<ffffffff8116e15e>] ? __get_free_pages+0xe/0x50
15:21:36:[29396.938044]  [<ffffffff81200f86>] SyS_mount+0x96/0xf0
15:21:36:[29396.938048]  [<ffffffff816463c9>] system_call_fastpath+0x16/0x1b
15:21:36:[29396.938048] 
15:21:36:[29396.968797] Kernel panic - not syncing: LBUG
15:21:36:[29396.969781] CPU: 0 PID: 26347 Comm: mount.lustre Tainted: G           OE  ------------   3.10.0-327.18.2.el7_lustre.x86_64 #1
15:21:36:[29396.969781] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007
15:21:36:[29396.969781]  ffffffffa0603def 0000000048fb9a4f ffff880039073950 ffffffff81635c14
15:21:36:[29396.969781]  ffff8800390739d0 ffffffff8162f48a ffffffff00000008 ffff8800390739e0
15:21:36:[29396.969781]  ffff880039073980 0000000048fb9a4f ffffffffa0c511a0 0000000000000246
15:21:36:[29396.969781] Call Trace:
15:21:36:[29396.969781]  [<ffffffff81635c14>] dump_stack+0x19/0x1b
15:21:36:[29396.969781]  [<ffffffff8162f48a>] panic+0xd8/0x1e7
15:21:36:[29396.969781]  [<ffffffffa05e6ddb>] lbug_with_loc+0xab/0xc0 [libcfs]
15:21:36:[29396.969781]  [<ffffffffa0c24ccf>] osd_device_alloc+0x70f/0x880 [osd_ldiskfs]
15:21:36:[29396.969781]  [<ffffffffa07cd104>] obd_setup+0x114/0x2a0 [obdclass]
15:21:36:[29396.969781]  [<ffffffffa07cfb54>] class_setup+0x2f4/0x8d0 [obdclass]
15:21:36:[29396.969781]  [<ffffffffa07d3ee7>] class_process_config+0x1de7/0x2f70 [obdclass]
15:21:36:[29396.969781]  [<ffffffffa05f1957>] ? libcfs_debug_msg+0x57/0x80 [libcfs]
15:21:36:[29396.969781]  [<ffffffffa07dcb69>] do_lcfg+0x159/0x5d0 [obdclass]
15:21:36:[29396.969781]  [<ffffffffa07dd928>] lustre_start_simple+0x88/0x210 [obdclass]
15:21:36:[29396.969781]  [<ffffffffa0808ac4>] server_fill_super+0xf24/0x184c [obdclass]
15:21:36:[29396.969781]  [<ffffffffa05f1957>] ? libcfs_debug_msg+0x57/0x80 [libcfs]
15:21:36:[29396.969781]  [<ffffffffa07e09e8>] lustre_fill_super+0x328/0x950 [obdclass]
15:21:36:[29396.969781]  [<ffffffffa07e06c0>] ? lustre_common_put_super+0x270/0x270 [obdclass]
15:21:36:[29396.969781]  [<ffffffff811e1f2d>] mount_nodev+0x4d/0xb0
15:21:36:[29396.969781]  [<ffffffffa07d8918>] lustre_mount+0x38/0x60 [obdclass]
15:21:36:[29396.969781]  [<ffffffff811e28d9>] mount_fs+0x39/0x1b0
15:21:36:[29396.969781]  [<ffffffff811fe1af>] vfs_kern_mount+0x5f/0xf0
15:21:36:[29396.969781]  [<ffffffff812006fe>] do_mount+0x24e/0xa40
15:21:36:[29396.969781]  [<ffffffff8116e15e>] ? __get_free_pages+0xe/0x50
15:21:36:[29396.969781]  [<ffffffff81200f86>] SyS_mount+0x96/0xf0
15:21:36:[29396.969781]  [<ffffffff816463c9>] system_call_fastpath+0x16/0x1b

Info required for matching: conf-sanity 93

Issue Links

• duplicates: LU-11814 conf-sanity test_93 osd_handler.c:7132:osd_device_init0()) ASSERTION( info ) failed:
• duplicates: LU-12300 conf-sanity test 93: osd_handler.c:7743:osd_device_init0()) ASSERTION( info ) failed
• is related to: LU-13313 conf-sanity test_93: Crashed while parallel mounting
• is related to: LU-11089 Performance improvements for lu_object locking

Comments

[Etienne Aujames]

@Antoine Percher I have created the LU-14110 to follow your issue. This affects also the master branch (with less recurrences).

[Antoine Percher]

It seems that the patch 26099 has bad effect on parallel mounts on lustre client

On a client node with lustre 2.12.5 after mounting the same filesystem twice
in parallel then unmounting these filesystem, it is impossible to remove the
lustre module from the kernel

fstab:
<serv1@ib1>:<serv2@ib1>:/fs1 /mnt/fs1 lustre defaults,_netdev,noauto,x-systemd.requires=lnet.service,flock,user_xattr,nosuid 0 0
<serv1@ib1>:<serv2@ib1>:/fs1/home /mnt/home lustre defaults,_netdev,noauto,x-systemd.requires=lnet.service,flock,user_xattr,nosuid 0 0

{{ systemctl start lnet
modprobe lustre
mount /mnt/home & mount /mnt/fs1
umount /mnt/home
umount /mnt/fs1
rmmod lustre <- hang}}

The rmmod stack in kernel is

{{#0 __schedule
#1 schedule
#2 lu_contex_key_degister [obdclass]
#3 lu_context_key_degister_many [obdclass]
#4 vvp_global_fini [lustre]
#5 lustre_exit [lustre]
#6 __x64_sys_delete_module
#7 do_syscall
#8 entry_SYSCALL_64_after_hwframe
}}
crash> p vvp_thread_key.lct_used.counter
$1 = 105
crash> p vvp_session_key.lct_used.counter
$2 = 51

[Andreas Dilger]

I searched back to the start of the year, and there were two timeouts for this test in the past 3 months, so this isn't really a high priority to fix:
2020-03-02 https://testing.whamcloud.com/test_sets/ddf5643a-c7b9-4b0b-9b86-2adfe74817d3
2020-02-24 https://testing.whamcloud.com/test_sets/b0e66f0e-c3d4-49e9-9024-9e7910dd3d12

[James A Simmons]

Is this work done.

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/34226/
Subject: LU-8346 tests: remove spaces around fail_val
Project: fs/lustre-release
Branch: b2_12
Current Patch Set:
Commit: 430b20be17645989a51fb586824f7637535ff24e

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/34155/
Subject: LU-8346 tests: remove spaces around fail_val
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 59cb4a5c39e2c85a89be2863a73899c02c9a89c3

[Gerrit Updater]

James Nunez ([e-mail]) uploaded a new patch: https://review.whamcloud.com/34226
Subject: LU-8346 tests: remove spaces around fail_val
Project: fs/lustre-release
Branch: b2_12
Current Patch Set: 1
Commit: dbb3a02fef7332b126668bb5b2d3066d77243f90

[James Nunez (Inactive)]

The patch https://review.whamcloud.com/34155 fixes the problem with setting fail_val in conf-sanity test 93:
do_facet mgs "$LCTL set_param fail_val = 10 fail_loc=0x8000090e"

[Gerrit Updater]

James Nunez ([e-mail]) uploaded a new patch: https://review.whamcloud.com/34155
Subject: LU-8346 tests: remove spaces around fail_val
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 8d2909dab2e8af0d3301db14dec175a498d5f63b

[Gerrit Updater]

Hongchao Zhang ([e-mail]) uploaded a new patch: https://review.whamcloud.com/31971
Subject: LU-8346 osd-ldiskfs: don't assert if module is going
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: b6bbcddb2dec31dc6019fc8177c35424a957ed22