On 2015-03-21, at 11:04 AM, John David Anglin wrote:
> On 2015-03-20, at 1:37 PM, Matthew Wilcox wrote:
>
>> From: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
>>
>> The only reason to keep parisc's private asm/scatterlist.h was that it
>> had the macro sg_virt_addr(). Convert all callers to use something else
>> (sometimes just sg->offset was enough, others should use sg_virt()), and
>> we can just use the asm-generic scatterlist.h instead.
>>
>> Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
>> ---
>>
>> I haven't even compile-tested these changes ... I do have some PA-RISC
>> equipment, but it hasn't been turned on in seven years.
>
> Tested-by: dave.anglin@xxxxxxxx
Possibly when I sent the above, it was a little early to say the change was "tested".
See attached. Console log is somewhat truncated.
Dave
--
John David Anglin dave.anglin@xxxxxxxx
[10457] 1000 10457 1235 314 19 0 352 0 make
[11456] 1000 11456 1229 298 24 0 102 0 bash
[11465] 1000 11465 1241 290 11 0 114 0 bash
[11483] 1000 11483 2830 314 22 0 1914 0 make
[ 1790] 1000 1790 1218 282 24 0 83 0 bash
[ 1791] 1000 1791 2805 314 22 0 1897 0 make
[ 1859] 1000 1859 1203 282 24 0 68 0 bash
[ 1860] 1000 1860 1208 306 11 0 73 0 bash
[ 1870] 1000 1870 31806 408 51 0 7240 0 expect
[16044] 105 16044 1806 160 32 0 121 0 pickup
[ 1530] 1000 1530 837 282 8 0 54 0 xgcc
[ 1537] 1000 1537 764 16 8 0 36 0 collect2
[ 1538] 1000 1538 1239 314 10 0 444 0 ld.bfd.real
[ 1540] 1000 1540 803 298 8 0 39 0 lto-wrapper
[ 1543] 1000 1543 838 282 8 0 47 0 xgcc
Out of memory: Kill process 2705 (sanlock) score 2 or sacrifice child
Killed process 2705 (sanlock) total-vm:44176kB, anon-rss:37368kB, file-rss:2484kB
kthreadd invoked oom-killer: gfp_mask=0x2000d0, order=2, oom_score_adj=0
CPU: 2 PID: 2 Comm: kthreadd Not tainted 4.0.0-rc4+ #1
Backtrace:
[<00000000401588b8>] show_stack+0x20/0x38
[<000000004037e804>] dump_stack+0x9c/0x110
[<00000000402142b4>] dump_header.isra.12+0xb4/0x218
[<0000000040214e44>] oom_kill_process+0x3f4/0x6d8
[<00000000402153cc>] __out_of_memory+0x2a4/0x488
[<0000000040215980>] out_of_memory+0x98/0xe8
[<000000004021b55c>] __alloc_pages_nodemask+0x75c/0x7f0
[<000000004021b8d4>] alloc_kmem_pages_node+0x5c/0x70
[<000000004017dd34>] copy_process.part.62+0x184/0x1c18
[<0000000040144020>] end_fault_vector+0x20/0x28
[<00000000402136d8>] mempool_alloc_slab+0x28/0x40
[<0000000040213974>] mempool_alloc+0xa4/0x208
[<00000000142d47b0>] scsi_sg_alloc+0x50/0x150 [scsi_mod]
[<0000000040394178>] __sg_alloc_table+0xb0/0x1e0
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 25
CPU 1: hi: 186, btch: 31 usd: 127
CPU 2: hi: 186, btch: 31 usd: 0
CPU 3: hi: 186, btch: 31 usd: 13
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 0
CPU 1: hi: 186, btch: 31 usd: 0
CPU 2: hi: 186, btch: 31 usd: 0
CPU 3: hi: 186, btch: 31 usd: 0
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 0
CPU 1: hi: 186, btch: 31 usd: 0
CPU 2: hi: 186, btch: 31 usd: 0
CPU 3: hi: 186, btch: 31 usd: 0
active_anon:0 inactive_anon:8 isolated_anon:0
active_file:56 inactive_file:60 isolated_file:0
unevictable:10016 dirty:0 writeback:0 unstable:0
free:77039 slab_reclaimable:171489 slab_unreclaimable:21760
mapped:729 shmem:0 pagetables:1431 bounce:0
free_cma:0
Normal free:47364kB min:1384kB low:1728kB high:2076kB active_anon:0kB inactive_anon:0kB active_file:224kB inactive_file:240kB unevictable:40064kB isolated(anon):0kB isolated(file):0kB present:1048576kB managed:995888kB mlocked:40064kB dirty:0kB writeback:0kB mapped:2916kB shmem:0kB slab_reclaimable:52584kB slab_unreclaimable:19116kB kernel_stack:2672kB pagetables:5704kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0
Normal free:132376kB min:5760kB low:7200kB high:8640kB active_anon:0kB inactive_anon:52kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4192256kB managed:4134812kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:435152kB slab_unreclaimable:46872kB kernel_stack:32kB pagetables:20kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:416 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal free:128416kB min:4324kB low:5404kB high:6484kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145728kB managed:3102620kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:198220kB slab_unreclaimable:21052kB kernel_stack:384kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 11079*4kB (UEM) 467*8kB (UEM) 9*16kB (UMR) 1*32kB (R) 1*64kB (R) 1*128kB (R) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 48420kB
Normal: 32226*4kB (UEM) 434*8kB (UM) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 132376kB
Normal: 27604*4kB (UEM) 2116*8kB (UEM) 67*16kB (M) 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 128416kB
725 total pagecache pages
34 pages in swap cache
Swap cache stats: add 91383, delete 91349, find 928197/954032
Free swap = 7732896kB
Total swap = 7815616kB
2096640 pages of RAM
10777 reserved pages
Zone list for zone 0 on node 0: [0/Normal] [0/Normal] [0/Normal]
Zone list for zone 1 on node 0: [0/Normal] [0/Normal] [0/Normal]
Zone list for zone 0 on node 1: [0/Normal] [0/Normal] [0/Normal]
Zone list for zone 1 on node 1: [0/Normal] [0/Normal] [0/Normal]
Zone list for zone 0 on node 2: [0/Normal] [0/Normal] [0/Normal]
Zone list for zone 1 on node 2: [0/Normal] [0/Normal] [0/Normal]
[ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name
[ 1114] 0 1114 2700 419 36 0 207 -1000 udevd
[ 2271] 0 2271 1040 393 33 0 92 0 rpcbind
[ 2315] 102 2315 1082 399 32 0 133 0 rpc.statd
[ 2348] 0 2348 698 244 16 0 48 0 rpc.idmapd
[ 2586] 0 2586 499 346 6 0 38 0 minissdpd
[ 2607] 0 2607 855 235 15 0 43 0 uuidd
[ 2630] 0 2630 751 384 22 0 75 0 cgmanager
[ 2637] 0 2637 7971 148 34 0 205 0 rsyslogd
[ 2725] 0 2725 750 345 22 0 63 0 cgproxy
[ 2754] 0 2754 621 346 13 0 46 0 atd
[ 2815] 0 2815 1043 346 13 0 52 0 irqbalance
[ 2830] 0 2830 20108 187 23 0 126 0 nscd
[ 2841] 0 2841 24952 173 58 0 2013 0 lwresd
[ 2872] 0 2872 611 354 11 0 29 0 inetd
[ 2916] 0 2916 2519 371 66 0 216 0 cupsd
[ 2934] 104 2934 1239 361 32 0 113 0 dbus-daemon
[ 3006] 120 3006 47532 433 82 0 325 -900 postgres
[ 3009] 120 3009 47532 194 55 0 336 0 postgres
[ 3011] 120 3011 47532 213 56 0 337 0 postgres
[ 3012] 120 3012 47532 326 54 0 348 0 postgres
[ 3013] 120 3013 47606 391 59 0 381 0 postgres
[ 3015] 120 3015 11562 391 52 0 336 0 postgres
[ 3042] 106 3042 1499 399 30 0 116 0 ntpd
[ 3130] 118 3130 883 336 27 0 75 0 avahi-daemon
[ 3138] 0 3138 733 345 23 0 53 0 cron
[ 3139] 118 3139 851 219 22 0 61 0 avahi-daemon
[ 3165] 0 3165 1375 357 19 0 93 0 ofonod
[ 3240] 0 3240 1851 322 34 0 152 -1000 sshd
[ 3429] 0 3429 1853 167 32 0 122 0 master
[ 3436] 105 3436 1817 148 31 0 118 0 qmgr
[ 3455] 0 3455 569 346 14 0 34 0 getty
[ 3464] 0 3464 851 400 27 0 59 0 systemd-logind
[ 3873] 1000 3873 521 96 6 0 26 0 build
[10439] 1000 10439 1231 314 19 0 336 0 make
[10445] 1000 10445 1208 298 24 0 73 0 bash
[10457] 1000 10457 1235 314 19 0 352 0 make
[11456] 1000 11456 1229 298 24 0 102 0 bash
[11465] 1000 11465 1241 290 11 0 114 0 bash
[11483] 1000 11483 2830 314 22 0 1914 0 make
[ 1790] 1000 1790 1218 282 24 0 83 0 bash
[ 1791] 1000 1791 2805 314 22 0 1897 0 make
[ 1859] 1000 1859 1203 282 24 0 68 0 bash
[ 1860] 1000 1860 1208 306 11 0 73 0 bash
[ 1870] 1000 1870 31806 408 51 0 7240 0 expect
[16044] 105 16044 1806 160 32 0 121 0 pickup
[ 1530] 1000 1530 837 282 8 0 54 0 xgcc
[ 1537] 1000 1537 764 16 8 0 36 0 collect2
[ 1538] 1000 1538 1239 314 10 0 444 0 ld.bfd.real
[ 1540] 1000 1540 803 298 8 0 39 0 lto-wrapper
[ 1543] 1000 1543 838 282 8 0 47 0 xgcc
[ 1544] 1000 1544 838 247 6 0 47 0 xgcc
Out of memory: Kill process 1870 (expect) score 1 or sacrifice child
Killed process 1530 (xgcc) total-vm:3348kB, anon-rss:0kB, file-rss:1128kB
INFO: task kswapd1:285 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kswapd1 D 00000000401440c0 0 285 2 0x00000000
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000001d083f40>] _xfs_log_force_lsn+0x230/0x440 [xfs]
[<000000001d08417c>] xfs_log_force_lsn+0x2c/0x90 [xfs]
[<000000001d068614>] __xfs_iunpin_wait+0xb4/0x1f0 [xfs]
[<000000001d06d78c>] xfs_iunpin_wait+0x2c/0x190 [xfs]
[<000000001d05d7fc>] xfs_reclaim_inode+0x9c/0x550 [xfs]
[<000000001d05de68>] xfs_reclaim_inodes_ag+0x1b8/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229cf4>] kswapd+0x614/0xae0
[<00000000401a4824>] kthread+0x144/0x178
[<0000000040144020>] end_fault_vector+0x20/0x28
INFO: task kswapd2:286 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kswapd2 D 00000000401440c0 0 286 2 0x00000000
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000004014ed58>] schedule_preempt_disabled+0x20/0x38
[<0000000040151b70>] __mutex_lock_slowpath+0x180/0x3f0
[<0000000040151e04>] mutex_lock+0x24/0x48
[<000000001d05df60>] xfs_reclaim_inodes_ag+0x2b0/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229cf4>] kswapd+0x614/0xae0
[<00000000401a4824>] kthread+0x144/0x178
[<0000000040144020>] end_fault_vector+0x20/0x28
[<00000000402136d8>] mempool_alloc_slab+0x28/0x40
[<0000000040213974>] mempool_alloc+0xa4/0x208
INFO: task postgres:3006 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
postgres D 00000000401440c0 0 3006 1 0x00000010
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000004014ed58>] schedule_preempt_disabled+0x20/0x38
[<0000000040151b70>] __mutex_lock_slowpath+0x180/0x3f0
[<0000000040151e04>] mutex_lock+0x24/0x48
[<000000001d05df60>] xfs_reclaim_inodes_ag+0x2b0/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229570>] try_to_free_pages+0x2f0/0x460
[<000000004021b1b4>] __alloc_pages_nodemask+0x3b4/0x7f0
[<000000004021b8d4>] alloc_kmem_pages_node+0x5c/0x70
[<000000004017dd34>] copy_process.part.62+0x184/0x1c18
[<0000000040192474>] sigprocmask+0x74/0xb0
INFO: task cron:3138 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
cron D 00000000401440c0 0 3138 1 0x00000010
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000004014ed58>] schedule_preempt_disabled+0x20/0x38
[<0000000040151b70>] __mutex_lock_slowpath+0x180/0x3f0
[<0000000040151e04>] mutex_lock+0x24/0x48
[<000000001d05df60>] xfs_reclaim_inodes_ag+0x2b0/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229570>] try_to_free_pages+0x2f0/0x460
[<000000004021b1b4>] __alloc_pages_nodemask+0x3b4/0x7f0
[<000000004021b8d4>] alloc_kmem_pages_node+0x5c/0x70
[<000000004017dd34>] copy_process.part.62+0x184/0x1c18
[<000000004026ce74>] SyS_stat64+0x4c/0x70
INFO: task kworker/2:0H:1079 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/2:0H D 00000000401440c0 0 1079 2 0x00000000
Workqueue: xfs-log/sdc5 xfs_log_worker [xfs]
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000001d0840a4>] _xfs_log_force_lsn+0x394/0x440 [xfs]
[<000000001d07da14>] xfs_trans_commit+0x224/0x2d0 [xfs]
[<000000001d040020>] xfs_sync_sb+0x90/0x118 [xfs]
[<000000001d083c24>] xfs_log_worker+0x94/0x180 [xfs]
[<000000004019cd88>] process_one_work+0x198/0x458
[<000000004019dc8c>] worker_thread+0x48c/0x620
[<00000000401a4824>] kthread+0x144/0x178
[<0000000040144020>] end_fault_vector+0x20/0x28
[<0000000040145080>] intr_check_sig+0x0/0x3c
[<000000001c6d8000>] 0x1c6d8000
[<000000001c6d8000>] 0x1c6d8000
[<000000001c6d8000>] 0x1c6d8000
[<000000001c949f5c>] sd_init_command+0x44/0x140 [sd_mod]
[<000000004035b03c>] blk_recount_segments+0x10c/0x228
INFO: task xgcc:4733 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
xgcc D 00000000401440c0 0 4733 4729 0x00000010
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000004014ed58>] schedule_preempt_disabled+0x20/0x38
[<0000000040151b70>] __mutex_lock_slowpath+0x180/0x3f0
[<0000000040151e04>] mutex_lock+0x24/0x48
[<000000001d05df60>] xfs_reclaim_inodes_ag+0x2b0/0x520 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229570>] try_to_free_pages+0x2f0/0x460
[<000000004021b1b4>] __alloc_pages_nodemask+0x3b4/0x7f0
[<000000004021b62c>] __get_free_pages+0x3c/0xf0
[<000000004017cf98>] mm_init.isra.56+0x240/0x308
[<000000004017d54c>] mm_alloc+0x6c/0x90
INFO: task kthreadd:2 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kthreadd D 00000000401440c0 0 2 0 0x00000000
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000004014ed58>] schedule_preempt_disabled+0x20/0x38
[<0000000040151b70>] __mutex_lock_slowpath+0x180/0x3f0
[<0000000040151e04>] mutex_lock+0x24/0x48
[<000000001d05df60>] xfs_reclaim_inodes_ag+0x2b0/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229570>] try_to_free_pages+0x2f0/0x460
[<000000004021b1b4>] __alloc_pages_nodemask+0x3b4/0x7f0
[<000000004021b8d4>] alloc_kmem_pages_node+0x5c/0x70
[<000000004017dd34>] copy_process.part.62+0x184/0x1c18
[<0000000040144020>] end_fault_vector+0x20/0x28
INFO: task kswapd1:285 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kswapd1 D 00000000401440c0 0 285 2 0x00000000
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000001d083f40>] _xfs_log_force_lsn+0x230/0x440 [xfs]
[<000000001d08417c>] xfs_log_force_lsn+0x2c/0x90 [xfs]
[<000000001d068614>] __xfs_iunpin_wait+0xb4/0x1f0 [xfs]
[<000000001d06d78c>] xfs_iunpin_wait+0x2c/0x190 [xfs]
[<000000001d05d7fc>] xfs_reclaim_inode+0x9c/0x550 [xfs]
[<000000001d05de68>] xfs_reclaim_inodes_ag+0x1b8/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229cf4>] kswapd+0x614/0xae0
[<00000000401a4824>] kthread+0x144/0x178
[<0000000040144020>] end_fault_vector+0x20/0x28
INFO: task kswapd2:286 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kswapd2 D 00000000401440c0 0 286 2 0x00000000
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000004014ed58>] schedule_preempt_disabled+0x20/0x38
[<0000000040151b70>] __mutex_lock_slowpath+0x180/0x3f0
[<0000000040151e04>] mutex_lock+0x24/0x48
[<000000001d05df60>] xfs_reclaim_inodes_ag+0x2b0/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229cf4>] kswapd+0x614/0xae0
[<00000000401a4824>] kthread+0x144/0x178
[<0000000040144020>] end_fault_vector+0x20/0x28
[<00000000402136d8>] mempool_alloc_slab+0x28/0x40
[<0000000040213974>] mempool_alloc+0xa4/0x208
INFO: task postgres:3006 blocked for more than 120 seconds.
Not tainted 4.0.0-rc4+ #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
postgres D 00000000401440c0 0 3006 1 0x00000010
Backtrace:
[<000000004014e4e8>] __schedule+0x248/0x5d0
[<000000004014e8b8>] schedule+0x48/0xc8
[<000000004014ed58>] schedule_preempt_disabled+0x20/0x38
[<0000000040151b70>] __mutex_lock_slowpath+0x180/0x3f0
[<0000000040151e04>] mutex_lock+0x24/0x48
[<000000001d05df60>] xfs_reclaim_inodes_ag+0x2b0/0x520 [xfs]
[<000000001d05ee80>] xfs_reclaim_inodes_nr+0x60/0xb0 [xfs]
[<000000001d076004>] xfs_fs_free_cached_objects+0x24/0x58 [xfs]
[<000000004026a79c>] super_cache_scan+0x2fc/0x308
[<0000000040225f54>] shrink_slab.part.48.constprop.57+0x31c/0x3c8
[<000000004022927c>] shrink_zone+0xe4/0xe8
[<0000000040229570>] try_to_free_pages+0x2f0/0x460
[<000000004021b1b4>] __alloc_pages_nodemask+0x3b4/0x7f0
[<000000004021b8d4>] alloc_kmem_pages_node+0x5c/0x70
[<000000004017dd34>] copy_process.part.62+0x184/0x1c18
[<0000000040192474>] sigprocmask+0x74/0xb0
