[Cluster-devel] [PATCH v3 1/4] gfs2: gfs2_glock_get: Wait on freeing glocks

[Andrew Price <anprice@redhat.com>]

On Tue, Aug 01, 2017 at 02:00:19AM +0200, Andreas Gruenbacher wrote:
> Keep glocks in their hash table until they are freed instead of removing
> them when their last reference is dropped.  This allows to wait for any
> previous instances of a glock to go away in gfs2_glock_get before
> creating a new glocks.

I hit a panic on mount with the for-next tree on top of the latest upstream and it bisected down to this patch. Trace is below.

Andy

[ 6503.415480] gfs2: fsid=rawhide:gfs2-1: Trying to join cluster "lock_dlm", "rawhide:gfs2-1"
[ 6503.418121] dlm: gfs2-1: joining the lockspace group...
[ 6503.428351] dlm: gfs2-1: group event done 0 0
[ 6503.429026] dlm: gfs2-1: dlm_recover 1
[ 6503.429629] dlm: gfs2-1: add member 1
[ 6503.430100] dlm: gfs2-1: dlm_recover_members 1 nodes
[ 6503.430524] dlm: gfs2-1: join complete
[ 6503.431343] dlm: gfs2-1: generation 1 slots 1 1:1
[ 6503.432073] dlm: gfs2-1: dlm_recover_directory
[ 6503.432732] dlm: gfs2-1: dlm_recover_directory 0 in 0 new
[ 6503.433566] dlm: gfs2-1: dlm_recover_directory 0 out 0 messages
[ 6503.434527] dlm: gfs2-1: dlm_recover 1 generation 1 done: 2 ms
[ 6503.443359] dlm: gfs2-1: dlm_recover 3
[ 6503.444444] dlm: gfs2-1: add member 3
[ 6503.446317] dlm: gfs2-1: add member 2
[ 6503.454397] dlm: gfs2-1: dlm_recover_members 3 nodes
[ 6503.459230] dlm: gfs2-1: generation 2 slots 3 1:1 2:2 3:3
[ 6503.460140] dlm: gfs2-1: dlm_recover_directory
[ 6503.461343] dlm: gfs2-1: dlm_recover_directory 0 in 0 new
[ 6503.529253] dlm: gfs2-1: dlm_recover_directory 2 out 2 messages
[ 6503.579899] dlm: gfs2-1: dlm_recover 3 generation 2 done: 120 ms
[ 6503.940007] gfs2: fsid=rawhide:gfs2-1: first mounter control generation 0
[ 6503.943329] gfs2: fsid=rawhide:gfs2-1: Joined cluster. Now mounting FS...
[ 6503.945791] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:22
[ 6503.949186] in_atomic(): 1, irqs_disabled(): 0, pid: 9120, name: mount
[ 6503.952380] INFO: lockdep is turned off.
[ 6503.953627] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6503.956543] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6503.959438] Call Trace:
[ 6503.960276]  dump_stack+0x8e/0xcd
[ 6503.961411]  ___might_sleep+0x164/0x250
[ 6503.962767]  __might_sleep+0x4a/0x80
[ 6503.964089]  down_read+0x20/0x70
[ 6503.965237]  dlm_lock+0x80/0x1e0
[ 6503.966385]  ? gdlm_recovery_result+0x120/0x120
[ 6503.967859]  ? gdlm_cancel+0x30/0x30
[ 6503.969130]  gdlm_lock+0x1e4/0x320
[ 6503.970316]  ? gdlm_cancel+0x30/0x30
[ 6503.971737]  ? gdlm_recovery_result+0x120/0x120
[ 6503.973271]  do_xmote+0x104/0x1e0
[ 6503.974457]  run_queue+0xfd/0x180
[ 6503.975731]  gfs2_glock_nq+0x233/0x510
[ 6503.976983]  gfs2_glock_nq_num+0x71/0xc0
[ 6503.978230]  fill_super+0x770/0xcf0
[ 6503.979323]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6503.980681]  ? snprintf+0x45/0x70
[ 6503.981821]  gfs2_mount+0x248/0x290
[ 6503.983083]  ? gfs2_mount+0x248/0x290
[ 6503.984278]  mount_fs+0x14/0x80
[ 6503.985276]  vfs_kern_mount.part.31+0x5d/0x160
[ 6503.986672]  do_mount+0x1fc/0xd50
[ 6503.987720]  ? refcount_dec_and_lock+0x31/0x50
[ 6503.989119]  ? memdup_user+0x4f/0x80
[ 6503.990404]  SyS_mount+0x98/0xe0
[ 6503.991608]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6503.993313] RIP: 0033:0x7f7a9583bcea
[ 6503.994573] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6503.997075] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6503.999288] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.001440] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.003660] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.005658] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.007943] BUG: scheduling while atomic: mount/9120/0x00000000
[ 6504.010957] INFO: lockdep is turned off.
[ 6504.012026] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.014484] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.018037] Call Trace:
[ 6504.019030]  dump_stack+0x8e/0xcd
[ 6504.020628]  __schedule_bug+0x61/0x90
[ 6504.021865]  __schedule+0x685/0xa60
[ 6504.023114]  ? trace_hardirqs_on+0xd/0x10
[ 6504.024575]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.026603]  schedule+0x3d/0x90
[ 6504.027909]  bit_wait+0x11/0x60
[ 6504.029197]  __wait_on_bit+0x31/0x90
[ 6504.030701]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.032489]  ? woken_wake_function+0x20/0x20
[ 6504.034242]  gfs2_glock_wait+0x6b/0xb0
[ 6504.035782]  gfs2_glock_nq+0x24e/0x510
[ 6504.037312]  gfs2_glock_nq_num+0x71/0xc0
[ 6504.038929]  fill_super+0x770/0xcf0
[ 6504.040225]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.041321]  ? snprintf+0x45/0x70
[ 6504.042222]  gfs2_mount+0x248/0x290
[ 6504.043210]  ? gfs2_mount+0x248/0x290
[ 6504.044258]  mount_fs+0x14/0x80
[ 6504.045176]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.046430]  do_mount+0x1fc/0xd50
[ 6504.047148]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.048147]  ? memdup_user+0x4f/0x80
[ 6504.049037]  SyS_mount+0x98/0xe0
[ 6504.049640]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.050509] RIP: 0033:0x7f7a9583bcea
[ 6504.051218] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.052618] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.053908] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.055214] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.056484] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.057774] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.058855] BUG: scheduling while atomic: mount/9120/0x00000000
[ 6504.059924] INFO: lockdep is turned off.
[ 6504.060957] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.062323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.063416] Call Trace:
[ 6504.063738]  dump_stack+0x8e/0xcd
[ 6504.064160]  __schedule_bug+0x61/0x90
[ 6504.064642]  __schedule+0x685/0xa60
[ 6504.065130]  ? trace_hardirqs_on+0xd/0x10
[ 6504.065678]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.066473]  schedule+0x3d/0x90
[ 6504.066969]  bit_wait+0x11/0x60
[ 6504.067359]  __wait_on_bit+0x31/0x90
[ 6504.067816]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.068367]  ? woken_wake_function+0x20/0x20
[ 6504.068924]  gfs2_glock_wait+0x6b/0xb0
[ 6504.069400]  gfs2_glock_nq+0x24e/0x510
[ 6504.069891]  gfs2_glock_nq_num+0x71/0xc0
[ 6504.070394]  fill_super+0x7ab/0xcf0
[ 6504.070853]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.071386]  ? snprintf+0x45/0x70
[ 6504.071803]  gfs2_mount+0x248/0x290
[ 6504.072234]  ? gfs2_mount+0x248/0x290
[ 6504.072695]  mount_fs+0x14/0x80
[ 6504.073077]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.073653]  do_mount+0x1fc/0xd50
[ 6504.074046]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.074575]  ? memdup_user+0x4f/0x80
[ 6504.075122]  SyS_mount+0x98/0xe0
[ 6504.075625]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.076319] RIP: 0033:0x7f7a9583bcea
[ 6504.076897] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.077997] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.078839] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.079678] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.080548] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.081395] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.082262] BUG: scheduling while atomic: mount/9120/0x7ffffffe
[ 6504.083012] INFO: lockdep is turned off.
[ 6504.083513] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.084728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.085892] Call Trace:
[ 6504.086268]  dump_stack+0x8e/0xcd
[ 6504.086714]  __schedule_bug+0x61/0x90
[ 6504.087191]  __schedule+0x685/0xa60
[ 6504.087647]  ? trace_hardirqs_on+0xd/0x10
[ 6504.088194]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.088891]  schedule+0x3d/0x90
[ 6504.089299]  bit_wait+0x11/0x60
[ 6504.089730]  __wait_on_bit+0x31/0x90
[ 6504.090209]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.090776]  ? woken_wake_function+0x20/0x20
[ 6504.091333]  gfs2_glock_wait+0x6b/0xb0
[ 6504.091831]  gfs2_glock_nq+0x24e/0x510
[ 6504.092316]  gfs2_glock_nq_num+0x71/0xc0
[ 6504.092846]  init_sb+0x57/0x4a0
[ 6504.093261]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.093800]  fill_super+0x81a/0xcf0
[ 6504.094246]  ? fill_super+0x81a/0xcf0
[ 6504.094662]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.095157]  ? snprintf+0x45/0x70
[ 6504.095547]  gfs2_mount+0x248/0x290
[ 6504.095970]  ? gfs2_mount+0x248/0x290
[ 6504.096394]  mount_fs+0x14/0x80
[ 6504.096779]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.097290]  do_mount+0x1fc/0xd50
[ 6504.097673]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.098193]  ? memdup_user+0x4f/0x80
[ 6504.098617]  SyS_mount+0x98/0xe0
[ 6504.098984]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.099516] RIP: 0033:0x7f7a9583bcea
[ 6504.099937] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.100791] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.101605] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.102427] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.103287] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.104218] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.105240] NOHZ: local_softirq_pending 202
[ 6504.111547] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.112466] INFO: lockdep is turned off.
[ 6504.113024] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.114476] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.116260] Call Trace:
[ 6504.116782]  dump_stack+0x8e/0xcd
[ 6504.117468]  __schedule_bug+0x61/0x90
[ 6504.118219]  __schedule+0x685/0xa60
[ 6504.118952]  ? trace_hardirqs_on+0xd/0x10
[ 6504.119568]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.120382]  schedule+0x3d/0x90
[ 6504.120800]  bit_wait+0x11/0x60
[ 6504.121226]  __wait_on_bit+0x31/0x90
[ 6504.121696]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.122301]  ? woken_wake_function+0x20/0x20
[ 6504.122843]  gfs2_glock_wait+0x6b/0xb0
[ 6504.123328]  gfs2_glock_nq+0x24e/0x510
[ 6504.123827]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.124355]  gfs2_lookup_root+0x2c/0xa0
[ 6504.124832]  ? gfs2_lookup_root+0x2c/0xa0
[ 6504.125330]  init_sb+0x343/0x4a0
[ 6504.125779]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.126279]  fill_super+0x81a/0xcf0
[ 6504.126722]  ? fill_super+0x81a/0xcf0
[ 6504.127174]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.127666]  ? snprintf+0x45/0x70
[ 6504.128073]  gfs2_mount+0x248/0x290
[ 6504.128515]  ? gfs2_mount+0x248/0x290
[ 6504.128977]  mount_fs+0x14/0x80
[ 6504.129373]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.129945]  do_mount+0x1fc/0xd50
[ 6504.130399]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.130994]  ? memdup_user+0x4f/0x80
[ 6504.131480]  SyS_mount+0x98/0xe0
[ 6504.131894]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.132436] RIP: 0033:0x7f7a9583bcea
[ 6504.132869] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.133761] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.134587] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.135481] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.136332] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.137162] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.137989] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.138732] INFO: lockdep is turned off.
[ 6504.139372] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.140800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.142037] Call Trace:
[ 6504.142377]  dump_stack+0x8e/0xcd
[ 6504.142834]  __schedule_bug+0x61/0x90
[ 6504.143330]  __schedule+0x685/0xa60
[ 6504.143803]  ? trace_hardirqs_on+0xd/0x10
[ 6504.144328]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.145020]  schedule+0x3d/0x90
[ 6504.145438]  bit_wait+0x11/0x60
[ 6504.145862]  __wait_on_bit+0x31/0x90
[ 6504.146337]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.146929]  ? woken_wake_function+0x20/0x20
[ 6504.147485]  gfs2_glock_wait+0x6b/0xb0
[ 6504.147987]  gfs2_glock_nq+0x24e/0x510
[ 6504.148484]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.149002]  ? _raw_spin_unlock+0x27/0x40
[ 6504.149513]  gfs2_lookup_root+0x2c/0xa0
[ 6504.150002]  ? gfs2_lookup_root+0x2c/0xa0
[ 6504.150558]  init_sb+0x36b/0x4a0
[ 6504.151019]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.151590]  fill_super+0x81a/0xcf0
[ 6504.152083]  ? fill_super+0x81a/0xcf0
[ 6504.152585]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.153161]  ? snprintf+0x45/0x70
[ 6504.153630]  gfs2_mount+0x248/0x290
[ 6504.154133]  ? gfs2_mount+0x248/0x290
[ 6504.154644]  mount_fs+0x14/0x80
[ 6504.155092]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.155714]  do_mount+0x1fc/0xd50
[ 6504.156181]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.156801]  ? memdup_user+0x4f/0x80
[ 6504.157329]  SyS_mount+0x98/0xe0
[ 6504.157811]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.158487] RIP: 0033:0x7f7a9583bcea
[ 6504.159011] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.160100] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.161057] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.162409] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.163210] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.164006] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.164865] NOHZ: local_softirq_pending 02
[ 6504.165665] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.166593] INFO: lockdep is turned off.
[ 6504.167187] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.168490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.169690] Call Trace:
[ 6504.170019]  dump_stack+0x8e/0xcd
[ 6504.170465]  __schedule_bug+0x61/0x90
[ 6504.170960]  __schedule+0x685/0xa60
[ 6504.171418]  ? trace_hardirqs_on+0xd/0x10
[ 6504.172188]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.173030]  schedule+0x3d/0x90
[ 6504.173473]  bit_wait+0x11/0x60
[ 6504.174031]  __wait_on_bit+0x31/0x90
[ 6504.174586]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.175324]  ? woken_wake_function+0x20/0x20
[ 6504.176003]  gfs2_glock_wait+0x6b/0xb0
[ 6504.176494]  gfs2_glock_nq+0x24e/0x510
[ 6504.177003]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.177556]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.178244]  gfs2_dir_search+0xc1/0xf0
[ 6504.178740]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.179255]  gfs2_lookupi+0x182/0x220
[ 6504.179755]  ? gfs2_lookupi+0xf7/0x220
[ 6504.180233]  gfs2_lookup_simple+0x5a/0x90
[ 6504.180764]  ? gfs2_lookup_simple+0x5a/0x90
[ 6504.181335]  init_inodes+0x63/0xa70
[ 6504.181816]  ? vsnprintf+0x1ac/0x4d0
[ 6504.182299]  ? snprintf+0x45/0x70
[ 6504.182776]  fill_super+0x896/0xcf0
[ 6504.183264]  ? fill_super+0x896/0xcf0
[ 6504.183771]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.184331]  ? snprintf+0x45/0x70
[ 6504.184768]  gfs2_mount+0x248/0x290
[ 6504.185217]  ? gfs2_mount+0x248/0x290
[ 6504.185672]  mount_fs+0x14/0x80
[ 6504.186075]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.186606]  do_mount+0x1fc/0xd50
[ 6504.187026]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.187592]  ? memdup_user+0x4f/0x80
[ 6504.188041]  SyS_mount+0x98/0xe0
[ 6504.188453]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.189041] RIP: 0033:0x7f7a9583bcea
[ 6504.189488] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.190492] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.191391] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.192332] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.193217] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.194103] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.195027] NOHZ: local_softirq_pending 282
[ 6504.195882] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.196781] INFO: lockdep is turned off.
[ 6504.197347] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.198729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.199989] Call Trace:
[ 6504.200349]  dump_stack+0x8e/0xcd
[ 6504.200825]  __schedule_bug+0x61/0x90
[ 6504.201338]  __schedule+0x685/0xa60
[ 6504.201832]  ? trace_hardirqs_on+0xd/0x10
[ 6504.202446]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.203147]  schedule+0x3d/0x90
[ 6504.203630]  bit_wait+0x11/0x60
[ 6504.204125]  __wait_on_bit+0x31/0x90
[ 6504.204602]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.205308]  ? woken_wake_function+0x20/0x20
[ 6504.205992]  gfs2_glock_wait+0x6b/0xb0
[ 6504.206542]  gfs2_glock_nq+0x24e/0x510
[ 6504.207079]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.207615]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.208258]  gfs2_dir_search+0xc1/0xf0
[ 6504.208736]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.209308]  gfs2_lookupi+0x182/0x220
[ 6504.209857]  ? gfs2_lookupi+0xf7/0x220
[ 6504.210406]  init_inodes+0x1ee/0xa70
[ 6504.210926]  ? init_inodes+0x1ee/0xa70
[ 6504.211472]  fill_super+0x896/0xcf0
[ 6504.211968]  ? fill_super+0x896/0xcf0
[ 6504.212477]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.213045]  ? snprintf+0x45/0x70
[ 6504.213510]  gfs2_mount+0x248/0x290
[ 6504.214005]  ? gfs2_mount+0x248/0x290
[ 6504.214568]  mount_fs+0x14/0x80
[ 6504.215043]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.215712]  do_mount+0x1fc/0xd50
[ 6504.216213]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.216893]  ? memdup_user+0x4f/0x80
[ 6504.217440]  SyS_mount+0x98/0xe0
[ 6504.217935]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.218634] RIP: 0033:0x7f7a9583bcea
[ 6504.219178] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.220311] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.221321] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.222343] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.223357] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.224378] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.225451] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.226241] INFO: lockdep is turned off.
[ 6504.226845] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.228186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.229473] Call Trace:
[ 6504.229858]  dump_stack+0x8e/0xcd
[ 6504.230305]  __schedule_bug+0x61/0x90
[ 6504.230820]  __schedule+0x685/0xa60
[ 6504.231321]  ? trace_hardirqs_on+0xd/0x10
[ 6504.231866]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.232561]  schedule+0x3d/0x90
[ 6504.232993]  bit_wait+0x11/0x60
[ 6504.233458]  __wait_on_bit+0x31/0x90
[ 6504.233895]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.234285]  ? woken_wake_function+0x20/0x20
[ 6504.234645]  gfs2_glock_wait+0x6b/0xb0
[ 6504.235127]  gfs2_glock_nq+0x24e/0x510
[ 6504.235659]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.236266]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.236996]  gfs2_dir_search+0xc1/0xf0
[ 6504.237537]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.238089]  gfs2_lookupi+0x182/0x220
[ 6504.238638]  ? trace_hardirqs_on+0xd/0x10
[ 6504.239245]  ? gfs2_lookupi+0xf7/0x220
[ 6504.239767]  init_inodes+0x1ee/0xa70
[ 6504.240224]  ? init_inodes+0x1ee/0xa70
[ 6504.240712]  fill_super+0x896/0xcf0
[ 6504.241179]  ? fill_super+0x896/0xcf0
[ 6504.241673]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.242225]  ? snprintf+0x45/0x70
[ 6504.242681]  gfs2_mount+0x248/0x290
[ 6504.243183]  ? gfs2_mount+0x248/0x290
[ 6504.243726]  mount_fs+0x14/0x80
[ 6504.244183]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.244815]  do_mount+0x1fc/0xd50
[ 6504.245290]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.245924]  ? memdup_user+0x4f/0x80
[ 6504.246413]  SyS_mount+0x98/0xe0
[ 6504.246885]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.247542] RIP: 0033:0x7f7a9583bcea
[ 6504.248062] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.249102] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.250114] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.251074] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.252043] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.253005] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.254061] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.254759] INFO: lockdep is turned off.
[ 6504.255258] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.256447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.257649] Call Trace:
[ 6504.257997]  dump_stack+0x8e/0xcd
[ 6504.258453]  __schedule_bug+0x61/0x90
[ 6504.258969]  __schedule+0x685/0xa60
[ 6504.259496]  ? trace_hardirqs_on+0xd/0x10
[ 6504.260078]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.260827]  schedule+0x3d/0x90
[ 6504.261290]  bit_wait+0x11/0x60
[ 6504.261740]  __wait_on_bit+0x31/0x90
[ 6504.262226]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.262817]  ? woken_wake_function+0x20/0x20
[ 6504.263410]  gfs2_glock_wait+0x6b/0xb0
[ 6504.263943]  gfs2_glock_nq+0x24e/0x510
[ 6504.264466]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.265037]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.265758]  gfs2_dir_search+0xc1/0xf0
[ 6504.266283]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.266818]  gfs2_lookupi+0x182/0x220
[ 6504.267323]  ? trace_hardirqs_on+0xd/0x10
[ 6504.267850]  ? gfs2_lookupi+0xf7/0x220
[ 6504.268399]  init_inodes+0x1ee/0xa70
[ 6504.268943]  ? init_inodes+0x1ee/0xa70
[ 6504.269492]  fill_super+0x896/0xcf0
[ 6504.270030]  ? fill_super+0x896/0xcf0
[ 6504.270540]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.271121]  ? snprintf+0x45/0x70
[ 6504.271561]  gfs2_mount+0x248/0x290
[ 6504.272063]  ? gfs2_mount+0x248/0x290
[ 6504.272547]  mount_fs+0x14/0x80
[ 6504.272976]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.273560]  do_mount+0x1fc/0xd50
[ 6504.274002]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.274581]  ? memdup_user+0x4f/0x80
[ 6504.275066]  SyS_mount+0x98/0xe0
[ 6504.275501]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.276141] RIP: 0033:0x7f7a9583bcea
[ 6504.276638] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.277654] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.278660] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.279665] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.280636] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.281580] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.282598] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.283332] INFO: lockdep is turned off.
[ 6504.283794] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.284829] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.285790] Call Trace:
[ 6504.286064]  dump_stack+0x8e/0xcd
[ 6504.286429]  __schedule_bug+0x61/0x90
[ 6504.286845]  __schedule+0x685/0xa60
[ 6504.287227]  ? trace_hardirqs_on+0xd/0x10
[ 6504.287658]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.288353]  schedule+0x3d/0x90
[ 6504.288749]  bit_wait+0x11/0x60
[ 6504.289177]  __wait_on_bit+0x31/0x90
[ 6504.289675]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.290304]  ? woken_wake_function+0x20/0x20
[ 6504.290912]  gfs2_glock_wait+0x6b/0xb0
[ 6504.291442]  gfs2_glock_nq+0x24e/0x510
[ 6504.291972]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.292480]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.293050]  gfs2_dir_search+0xc1/0xf0
[ 6504.293586]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.294161]  gfs2_lookupi+0x182/0x220
[ 6504.294680]  ? trace_hardirqs_on+0xd/0x10
[ 6504.295232]  ? gfs2_lookupi+0xf7/0x220
[ 6504.295748]  init_inodes+0x1ee/0xa70
[ 6504.296246]  ? init_inodes+0x1ee/0xa70
[ 6504.296746]  fill_super+0x896/0xcf0
[ 6504.297196]  ? fill_super+0x896/0xcf0
[ 6504.297688]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.298230]  ? snprintf+0x45/0x70
[ 6504.298680]  gfs2_mount+0x248/0x290
[ 6504.299078]  ? gfs2_mount+0x248/0x290
[ 6504.299447]  mount_fs+0x14/0x80
[ 6504.299926]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.300575]  do_mount+0x1fc/0xd50
[ 6504.301075]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.301709]  ? memdup_user+0x4f/0x80
[ 6504.302253]  SyS_mount+0x98/0xe0
[ 6504.302781]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.303367] RIP: 0033:0x7f7a9583bcea
[ 6504.303807] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.304730] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.305625] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.306525] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.307470] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.308419] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.309428] BUG: scheduling while atomic: mount/9120/0x00000000
[ 6504.310106] INFO: lockdep is turned off.
[ 6504.310589] CPU: 1 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.311709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.312746] Call Trace:
[ 6504.313050]  dump_stack+0x8e/0xcd
[ 6504.313451]  __schedule_bug+0x61/0x90
[ 6504.313903]  __schedule+0x685/0xa60
[ 6504.314353]  ? trace_hardirqs_on+0xd/0x10
[ 6504.314872]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.315517]  schedule+0x3d/0x90
[ 6504.315921]  bit_wait+0x11/0x60
[ 6504.316318]  __wait_on_bit+0x31/0x90
[ 6504.316778]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.317334]  ? woken_wake_function+0x20/0x20
[ 6504.317860]  gfs2_glock_wait+0x6b/0xb0
[ 6504.318311]  gfs2_glock_nq+0x24e/0x510
[ 6504.318732]  gfs2_glock_nq_num+0x71/0xc0
[ 6504.319157]  init_inodes+0x646/0xa70
[ 6504.319541]  ? init_inodes+0xd3/0xa70
[ 6504.319956]  fill_super+0x896/0xcf0
[ 6504.320332]  ? fill_super+0x896/0xcf0
[ 6504.320756]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.321201]  ? snprintf+0x45/0x70
[ 6504.321564]  gfs2_mount+0x248/0x290
[ 6504.322009]  ? gfs2_mount+0x248/0x290
[ 6504.322504]  mount_fs+0x14/0x80
[ 6504.322927]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.323497]  do_mount+0x1fc/0xd50
[ 6504.323917]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.324488]  ? memdup_user+0x4f/0x80
[ 6504.324920]  SyS_mount+0x98/0xe0
[ 6504.325330]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.325902] RIP: 0033:0x7f7a9583bcea
[ 6504.326347] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.327279] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.328178] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.329074] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.329978] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.330932] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.341821] gfs2: fsid=rawhide:gfs2-1.0: journal 0 mapped with 1 extents
[ 6504.342886] gfs2: fsid=rawhide:gfs2-1.0: jid=0, already locked for use
[ 6504.343871] gfs2: fsid=rawhide:gfs2-1.0: jid=0: Looking at journal...
[ 6504.348257] gfs2: fsid=rawhide:gfs2-1.0: jid=0: Done
[ 6504.349852] gfs2: fsid=rawhide:gfs2-1.0: jid=1: Trying to acquire journal lock...
[ 6504.351250] BUG: scheduling while atomic: kworker/0:2/9103/0x00000000
[ 6504.352419] INFO: lockdep is turned off.
[ 6504.352988] CPU: 0 PID: 9103 Comm: kworker/0:2 Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.355061] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.356962] Workqueue: gfs_recovery gfs2_recover_func
[ 6504.357668] Call Trace:
[ 6504.358028]  dump_stack+0x8e/0xcd
[ 6504.358492]  __schedule_bug+0x61/0x90
[ 6504.359019]  __schedule+0x685/0xa60
[ 6504.359511]  ? trace_hardirqs_on+0xd/0x10
[ 6504.360133]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.360834]  schedule+0x3d/0x90
[ 6504.361264]  bit_wait+0x11/0x60
[ 6504.361695]  __wait_on_bit+0x31/0x90
[ 6504.362177]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.362782]  ? woken_wake_function+0x20/0x20
[ 6504.363396]  gfs2_glock_wait+0x6b/0xb0
[ 6504.364169]  gfs2_glock_nq+0x24e/0x510
[ 6504.364736]  gfs2_glock_nq_num+0x71/0xc0
[ 6504.365339]  gfs2_recover_func+0xb8/0x8d0
[ 6504.365950]  ? update_load_avg+0x44d/0x660
[ 6504.366536]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.367132]  ? lock_acquire+0xa3/0x1f0
[ 6504.367636]  ? process_one_work+0x19a/0x650
[ 6504.368208]  process_one_work+0x212/0x650
[ 6504.368775]  ? process_one_work+0x212/0x650
[ 6504.369324]  worker_thread+0x4d/0x3b0
[ 6504.369844]  kthread+0x130/0x150
[ 6504.370290]  ? process_one_work+0x650/0x650
[ 6504.370863]  ? __kthread_create_on_node+0x230/0x230
[ 6504.371509]  ret_from_fork+0x2a/0x40
[ 6504.373371] gfs2: fsid=rawhide:gfs2-1.0: jid=1: Looking at journal...
[ 6504.386559] gfs2: fsid=rawhide:gfs2-1.0: jid=1: Done
[ 6504.387642] gfs2: fsid=rawhide:gfs2-1.0: jid=2: Trying to acquire journal lock...
[ 6504.388826] BUG: scheduling while atomic: kworker/0:2/9103/0x00000000
[ 6504.389914] INFO: lockdep is turned off.
[ 6504.390570] CPU: 0 PID: 9103 Comm: kworker/0:2 Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.391991] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.393279] Workqueue: gfs_recovery gfs2_recover_func
[ 6504.394195] Call Trace:
[ 6504.394653]  dump_stack+0x8e/0xcd
[ 6504.395222]  __schedule_bug+0x61/0x90
[ 6504.395850]  __schedule+0x685/0xa60
[ 6504.396312]  ? trace_hardirqs_on+0xd/0x10
[ 6504.396994]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.397864]  schedule+0x3d/0x90
[ 6504.398392]  bit_wait+0x11/0x60
[ 6504.398942]  __wait_on_bit+0x31/0x90
[ 6504.399422]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.400035]  ? woken_wake_function+0x20/0x20
[ 6504.400606]  gfs2_glock_wait+0x6b/0xb0
[ 6504.401150]  gfs2_glock_nq+0x24e/0x510
[ 6504.401668]  gfs2_glock_nq_num+0x71/0xc0
[ 6504.402211]  gfs2_recover_func+0xb8/0x8d0
[ 6504.402802]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.403369]  ? lock_acquire+0xa3/0x1f0
[ 6504.403879]  ? process_one_work+0x2a7/0x650
[ 6504.404418]  ? process_one_work+0x19a/0x650
[ 6504.404993]  process_one_work+0x212/0x650
[ 6504.405523]  ? process_one_work+0x212/0x650
[ 6504.406113]  worker_thread+0x4d/0x3b0
[ 6504.406603]  kthread+0x130/0x150
[ 6504.407104]  ? process_one_work+0x650/0x650
[ 6504.407630]  ? __kthread_create_on_node+0x230/0x230
[ 6504.408272]  ret_from_fork+0x2a/0x40
[ 6504.410194] gfs2: fsid=rawhide:gfs2-1.0: jid=2: Looking at journal...
[ 6504.422660] gfs2: fsid=rawhide:gfs2-1.0: jid=2: Done
[ 6504.423891] gfs2: fsid=rawhide:gfs2-1.0: jid=3: Trying to acquire journal lock...
[ 6504.425297] BUG: scheduling while atomic: kworker/0:2/9103/0x00000000
[ 6504.426234] INFO: lockdep is turned off.
[ 6504.427056] CPU: 0 PID: 9103 Comm: kworker/0:2 Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.428567] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.429998] Workqueue: gfs_recovery gfs2_recover_func
[ 6504.430782] Call Trace:
[ 6504.431186]  dump_stack+0x8e/0xcd
[ 6504.431705]  __schedule_bug+0x61/0x90
[ 6504.432272]  __schedule+0x685/0xa60
[ 6504.432800]  ? trace_hardirqs_on+0xd/0x10
[ 6504.433365]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.434132]  schedule+0x3d/0x90
[ 6504.434571]  bit_wait+0x11/0x60
[ 6504.435039]  __wait_on_bit+0x31/0x90
[ 6504.435521]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.436136]  ? woken_wake_function+0x20/0x20
[ 6504.436707]  gfs2_glock_wait+0x6b/0xb0
[ 6504.437219]  gfs2_glock_nq+0x24e/0x510
[ 6504.437721]  gfs2_glock_nq_num+0x71/0xc0
[ 6504.438254]  gfs2_recover_func+0xb8/0x8d0
[ 6504.438824]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.439395]  ? lock_acquire+0xa3/0x1f0
[ 6504.439946]  ? process_one_work+0x2a7/0x650
[ 6504.440536]  ? process_one_work+0x19a/0x650
[ 6504.441127]  process_one_work+0x212/0x650
[ 6504.441701]  ? process_one_work+0x212/0x650
[ 6504.442289]  worker_thread+0x4d/0x3b0
[ 6504.442812]  kthread+0x130/0x150
[ 6504.443277]  ? process_one_work+0x650/0x650
[ 6504.443864]  ? __kthread_create_on_node+0x230/0x230
[ 6504.444515]  ret_from_fork+0x2a/0x40
[ 6504.446568] gfs2: fsid=rawhide:gfs2-1.0: jid=3: Looking at journal...
[ 6504.459227] gfs2: fsid=rawhide:gfs2-1.0: jid=3: Done
[ 6504.460776] gfs2: fsid=rawhide:gfs2-1.0: first mount done, others may mount
[ 6504.462117] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.463149] INFO: lockdep is turned off.
[ 6504.463864] CPU: 0 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.465395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.466478] Call Trace:
[ 6504.466792]  dump_stack+0x8e/0xcd
[ 6504.467187]  __schedule_bug+0x61/0x90
[ 6504.467609]  __schedule+0x685/0xa60
[ 6504.468041]  ? trace_hardirqs_on+0xd/0x10
[ 6504.468513]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.469144]  schedule+0x3d/0x90
[ 6504.469520]  bit_wait+0x11/0x60
[ 6504.469982]  __wait_on_bit+0x31/0x90
[ 6504.470456]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.471073]  ? woken_wake_function+0x20/0x20
[ 6504.471634]  gfs2_glock_wait+0x6b/0xb0
[ 6504.472173]  gfs2_glock_nq+0x24e/0x510
[ 6504.472685]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.473287]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.473971]  gfs2_dir_search+0xc1/0xf0
[ 6504.474416]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.474912]  gfs2_lookupi+0x182/0x220
[ 6504.475372]  ? lockref_put_or_lock+0xd/0x30
[ 6504.475876]  ? gfs2_lookupi+0xf7/0x220
[ 6504.476297]  gfs2_lookup_simple+0x5a/0x90
[ 6504.476771]  ? gfs2_lookup_simple+0x5a/0x90
[ 6504.477262]  init_inodes+0x397/0xa70
[ 6504.477687]  fill_super+0x896/0xcf0
[ 6504.478100]  ? fill_super+0x896/0xcf0
[ 6504.478529]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.479019]  ? snprintf+0x45/0x70
[ 6504.479409]  gfs2_mount+0x248/0x290
[ 6504.479852]  ? gfs2_mount+0x248/0x290
[ 6504.480385]  mount_fs+0x14/0x80
[ 6504.480821]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.481452]  do_mount+0x1fc/0xd50
[ 6504.481844]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.482342]  ? memdup_user+0x4f/0x80
[ 6504.482767]  SyS_mount+0x98/0xe0
[ 6504.483128]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.483645] RIP: 0033:0x7f7a9583bcea
[ 6504.484063] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.484896] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.485697] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.486605] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.487523] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.488483] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.489523] NOHZ: local_softirq_pending 28a
[ 6504.490600] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.491711] INFO: lockdep is turned off.
[ 6504.492068] CPU: 0 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.493709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.495192] Call Trace:
[ 6504.495577]  dump_stack+0x8e/0xcd
[ 6504.496096]  __schedule_bug+0x61/0x90
[ 6504.496653]  __schedule+0x685/0xa60
[ 6504.497185]  ? trace_hardirqs_on+0xd/0x10
[ 6504.497773]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.498526]  schedule+0x3d/0x90
[ 6504.498990]  bit_wait+0x11/0x60
[ 6504.499449]  __wait_on_bit+0x31/0x90
[ 6504.499994]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.500612]  ? woken_wake_function+0x20/0x20
[ 6504.501261]  gfs2_glock_wait+0x6b/0xb0
[ 6504.501773]  gfs2_glock_nq+0x24e/0x510
[ 6504.502317]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.502921]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.503604]  gfs2_dir_search+0xc1/0xf0
[ 6504.504163]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.504768]  gfs2_lookupi+0x182/0x220
[ 6504.505315]  ? lockref_put_or_lock+0xd/0x30
[ 6504.505943]  ? gfs2_lookupi+0xf7/0x220
[ 6504.506495]  gfs2_lookup_simple+0x5a/0x90
[ 6504.507082]  ? gfs2_lookup_simple+0x5a/0x90
[ 6504.507678]  init_inodes+0x3bd/0xa70
[ 6504.508209]  fill_super+0x896/0xcf0
[ 6504.508702]  ? fill_super+0x896/0xcf0
[ 6504.509217]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.509788]  ? snprintf+0x45/0x70
[ 6504.510251]  gfs2_mount+0x248/0x290
[ 6504.510748]  ? gfs2_mount+0x248/0x290
[ 6504.511258]  mount_fs+0x14/0x80
[ 6504.511706]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.512324]  do_mount+0x1fc/0xd50
[ 6504.512799]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.513408]  ? memdup_user+0x4f/0x80
[ 6504.513929]  SyS_mount+0x98/0xe0
[ 6504.514389]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.515039] RIP: 0033:0x7f7a9583bcea
[ 6504.515551] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.516628] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.517644] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.518645] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.519670] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.520731] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.523650] BUG: scheduling while atomic: mount/9120/0x7fffffff
[ 6504.524404] INFO: lockdep is turned off.
[ 6504.524836] CPU: 0 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.525808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.527746] Call Trace:
[ 6504.528206]  dump_stack+0x8e/0xcd
[ 6504.528767]  __schedule_bug+0x61/0x90
[ 6504.529346]  __schedule+0x685/0xa60
[ 6504.529904]  ? trace_hardirqs_on+0xd/0x10
[ 6504.530511]  ? out_of_line_wait_on_atomic_t+0x120/0x120
[ 6504.531297]  schedule+0x3d/0x90
[ 6504.531819]  bit_wait+0x11/0x60
[ 6504.532242]  __wait_on_bit+0x31/0x90
[ 6504.532715]  out_of_line_wait_on_bit+0x90/0xb0
[ 6504.533322]  ? woken_wake_function+0x20/0x20
[ 6504.533890]  gfs2_glock_wait+0x6b/0xb0
[ 6504.534399]  gfs2_glock_nq+0x24e/0x510
[ 6504.534926]  gfs2_inode_lookup+0x1e2/0x420
[ 6504.535477]  ? do_filldir_main.isra.22+0x170/0x170
[ 6504.536127]  gfs2_dir_search+0xc1/0xf0
[ 6504.536620]  ? gfs2_dir_search+0xc1/0xf0
[ 6504.537172]  gfs2_lookupi+0x182/0x220
[ 6504.537655]  ? lockref_put_or_lock+0xd/0x30
[ 6504.538205]  ? gfs2_lookupi+0xf7/0x220
[ 6504.538687]  gfs2_lookup_simple+0x5a/0x90
[ 6504.539245]  ? gfs2_lookup_simple+0x5a/0x90
[ 6504.539854]  init_inodes+0x3ed/0xa70
[ 6504.540360]  fill_super+0x896/0xcf0
[ 6504.540864]  ? fill_super+0x896/0xcf0
[ 6504.541366]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.541950]  ? snprintf+0x45/0x70
[ 6504.542434]  gfs2_mount+0x248/0x290
[ 6504.542957]  ? gfs2_mount+0x248/0x290
[ 6504.543501]  mount_fs+0x14/0x80
[ 6504.543957]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.544554]  do_mount+0x1fc/0xd50
[ 6504.545049]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.545666]  ? memdup_user+0x4f/0x80
[ 6504.546187]  SyS_mount+0x98/0xe0
[ 6504.546661]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.547362] RIP: 0033:0x7f7a9583bcea
[ 6504.547887] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.548951] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.549938] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.550930] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.551975] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.553003] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.556461] ------------[ cut here ]------------
[ 6504.557024] kernel BUG at ./include/linux/pagemap.h:166!
[ 6504.557698] invalid opcode: 0000 [#1] SMP
[ 6504.558253] CPU: 0 PID: 9120 Comm: mount Tainted: G        W       4.13.0-rc3-00137-g3c5bc5c05339 #124
[ 6504.559758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1.fc26 04/01/2014
[ 6504.560883] task: ffff880061aee000 task.stack: ffffc90004f84000
[ 6504.561846] RIP: 0010:find_get_entry+0x223/0x290
[ 6504.562584] RSP: 0018:ffffc90004f87838 EFLAGS: 00010206
[ 6504.563440] RAX: 000000007fffffff RBX: ffff880049ce8790 RCX: ffffc90004f87818
[ 6504.564509] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000197fe80
[ 6504.565548] RBP: ffffc90004f87860 R08: 0000000000000000 R09: ffffea000197fe80
[ 6504.566564] R10: 0000000000000040 R11: ffffc90004f87818 R12: 0000000000000000
[ 6504.567664] R13: ffffffff81bdc9d8 R14: ffff880049ce8798 R15: ffffea000197fe80
[ 6504.568699] FS:  00007f7a967f2500(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[ 6504.569853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6504.570583] CR2: 00007fa9de6cef58 CR3: 0000000055546000 CR4: 00000000003406f0
[ 6504.571552] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6504.572389] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6504.573265] Call Trace:
[ 6504.573586]  pagecache_get_page+0x2c/0x290
[ 6504.574143]  ? finish_wait+0x72/0x90
[ 6504.574621]  do_read_cache_page+0x7a/0x5a0
[ 6504.575175]  ? stuffed_readpage+0x1a0/0x1a0
[ 6504.575745]  read_cache_page+0x15/0x20
[ 6504.576262]  gfs2_internal_read+0x7a/0x150
[ 6504.576869]  read_rindex_entry+0x92/0x4d0
[ 6504.577515]  gfs2_ri_update+0x24/0xb0
[ 6504.578023]  gfs2_rindex_update+0x14c/0x150
[ 6504.578578]  ? gfs2_rindex_update+0xd6/0x150
[ 6504.579129]  init_inodes+0x424/0xa70
[ 6504.579537]  ? init_inodes+0x424/0xa70
[ 6504.580060]  fill_super+0x896/0xcf0
[ 6504.580535]  ? fill_super+0x896/0xcf0
[ 6504.581032]  ? gfs2_glock_nq_num+0x69/0xc0
[ 6504.581584]  ? snprintf+0x45/0x70
[ 6504.582057]  gfs2_mount+0x248/0x290
[ 6504.582563]  ? gfs2_mount+0x248/0x290
[ 6504.583068]  mount_fs+0x14/0x80
[ 6504.583505]  vfs_kern_mount.part.31+0x5d/0x160
[ 6504.584126]  do_mount+0x1fc/0xd50
[ 6504.584505]  ? refcount_dec_and_lock+0x31/0x50
[ 6504.585032]  ? memdup_user+0x4f/0x80
[ 6504.585489]  SyS_mount+0x98/0xe0
[ 6504.585935]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 6504.586539] RIP: 0033:0x7f7a9583bcea
[ 6504.586918] RSP: 002b:00007ffc98642948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 6504.587540] RAX: ffffffffffffffda RBX: 00007f7a963c65d9 RCX: 00007f7a9583bcea
[ 6504.588134] RDX: 0000008d70864cd0 RSI: 0000008d70860730 RDI: 0000008d7085ea20
[ 6504.588656] RBP: 00007f7a965d8184 R08: 0000000000000000 R09: 0000008d70864d30
[ 6504.589214] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000008d7085e900
[ 6504.589838] R13: 00007ffc98642c68 R14: 0000000000000000 R15: 00000000ffffffff
[ 6504.590921] Code: 8b 47 20 a8 01 0f 84 e8 fe ff ff 48 c7 c6 a0 51 c0 81 e8 f1 01 04 00 0f 0b 48 83 f8 01 0f 84 46 fe ff ff 4d 89 fe e9 4b ff ff ff <0f> 0b e8 c6 70 f5 ff 84 c0 0f 85 52 ff ff ff 48 c7 c2 70 bb bd 
[ 6504.593497] RIP: find_get_entry+0x223/0x290 RSP: ffffc90004f87838
[ 6504.594578] ---[ end trace a4b6f9bfcf4d1504 ]---
[ 6504.595367] Kernel panic - not syncing: Fatal exception in interrupt
[ 6504.596569] Kernel Offset: disabled
[ 6504.597131] ---[ end Kernel panic - not syncing: Fatal exception in interrupt