[LU-5736] (mgc_request.c:745:mgc_fs_setup()) ASSERTION( lsi->lsi_osd_exp->exp_obd->obd_lvfs_ctxt.dt ) failed:

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Affects Version/s: Lustre 2.7.0
• Labels: zfs
• Severity: 3
• Assignee: WC Triage
• Reporter: John Hammond

Description

http://review.whamcloud.com/#/c/11593/4 which is v2_6_53_0-28-g9940a6f plus an innocent lbuild change.

<4>Lustre: DEBUG MARKER: /usr/sbin/lctl mark == conf-sanity test 41c: concurent mounts of MDT\/OST should all fail but one == 09:02:06 \(1413018126\)
<4>Lustre: DEBUG MARKER: == conf-sanity test 41c: concurent mounts of MDT/OST should all fail but one == 09:02:06 (1413018126)
<4>Lustre: DEBUG MARKER: grep -c /mnt/mds1' ' /proc/mounts
<4>Lustre: DEBUG MARKER: lsmod | grep lnet > /dev/null && lctl dl | grep ' ST '
<4>Lustre: DEBUG MARKER: ! zpool list -H lustre-mdt1 >/dev/null 2>&1 ||
<4>                     grep -q ^lustre-mdt1/ /proc/mounts ||
<4>                     zpool export  lustre-mdt1
<4>Lustre: DEBUG MARKER: lctl set_param fail_loc=0x703
<4>Lustre: DEBUG MARKER: mkdir -p /mnt/mds1
<4>Lustre: DEBUG MARKER: zpool list -H lustre-mdt1 >/dev/null 2>&1 ||
<4>                     zpool import -f -o cachefile=none -d /dev/lvm-Role_MDS lustre-mdt1
<4>Lustre: DEBUG MARKER: lctl set_param fail_loc=0x0
<4>Lustre: DEBUG MARKER: mkdir -p /mnt/mds1
<4>Lustre: DEBUG MARKER: zpool list -H lustre-mdt1 >/dev/null 2>&1 ||
<4>                     zpool import -f -o cachefile=none -d /dev/lvm-Role_MDS lustre-mdt1
<4>Lustre: DEBUG MARKER: mkdir -p /mnt/mds1; mount -t lustre                               lustre-mdt1/mdt1 /mnt/mds1
<4>Lustre: DEBUG MARKER: mkdir -p /mnt/mds1; mount -t lustre                               lustre-mdt1/mdt1 /mnt/mds1
<3>LustreError: 4613:0:(obd_mount_server.c:1753:server_fill_super()) Unable to start osd on lustre-mdt1/mdt1: -114
<3>LustreError: 4613:0:(obd_mount.c:1340:lustre_fill_super()) Unable to mount  (-114)
<4>Lustre: DEBUG MARKER: lctl set_param -n mdt.lustre*.enable_remote_dir=1
<0>LustreError: 4530:0:(mgc_request.c:745:mgc_fs_setup()) ASSERTION( lsi->lsi_osd_exp->exp_obd->obd_lvfs_ctxt.dt ) failed: 
<0>LustreError: 4530:0:(mgc_request.c:745:mgc_fs_setup()) LBUG
<4>Pid: 4530, comm: mount.lustre
<4>
<4>Call Trace:
<4> [<ffffffffa0cf3895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
<4> [<ffffffffa0cf3e97>] lbug_with_loc+0x47/0xb0 [libcfs]
<4> [<ffffffffa04b7357>] mgc_set_info_async+0x17c7/0x1950 [mgc]
<4> [<ffffffffa0d04181>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
<4> [<ffffffffa0e37765>] server_mgc_set_fs+0x115/0x4e0 [obdclass]
<4> [<ffffffffa0e3b0cf>] server_start_targets+0xaf/0x1af0 [obdclass]
<4> [<ffffffffa0cfe3a8>] ? libcfs_log_return+0x28/0x40 [libcfs]
<4> [<ffffffffa0e0bb46>] ? lustre_start_mgc+0x4b6/0x1e00 [obdclass]
<4> [<ffffffffa0e07b44>] ? lustre_start_simple+0x94/0x200 [obdclass]
<4> [<ffffffffa0e409d5>] server_fill_super+0xc95/0x1740 [obdclass]
<4> [<ffffffffa0cfe3a8>] ? libcfs_log_return+0x28/0x40 [libcfs]
<4> [<ffffffffa0e0d668>] lustre_fill_super+0x1d8/0x550 [obdclass]
<4> [<ffffffffa0e0d490>] ? lustre_fill_super+0x0/0x550 [obdclass]
<4> [<ffffffff8118c58f>] get_sb_nodev+0x5f/0xa0
<4> [<ffffffffa0e05265>] lustre_get_sb+0x25/0x30 [obdclass]
<4> [<ffffffff8118bbeb>] vfs_kern_mount+0x7b/0x1b0
<4> [<ffffffff8118bd92>] do_kern_mount+0x52/0x130
<4> [<ffffffff8119e992>] ? vfs_ioctl+0x22/0xa0
<4> [<ffffffff811ad76b>] do_mount+0x2fb/0x930
<4> [<ffffffff811ade30>] sys_mount+0x90/0xe0
<4> [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b
<4>
<0>Kernel panic - not syncing: LBUG
<4>Pid: 4530, comm: mount.lustre Tainted: P           ---------------    2.6.32-431.29.2.el6_lustre.gc6bc36f.x86_64 #1
<4>Call Trace:

Crash dump is at /export/scratch/dumps/shadow-13vm4.shadow.whamcloud.com/10.1.4.149-2014-10-11-09:02:43/vmcore-dmesg.txt.

Issue Links

• duplicates: LU-5573 Test timeout conf-sanity test_41c