Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937012AbdLSCBZ (ORCPT ); Mon, 18 Dec 2017 21:01:25 -0500 Received: from fllnx210.ext.ti.com ([198.47.19.17]:17821 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934714AbdLSCBT (ORCPT ); Mon, 18 Dec 2017 21:01:19 -0500 From: Grygorii Strashko Subject: [v4.14-rt][report] arm: run: stress-ng --class os --all 0 -t 5m To: Steven Rostedt , linux-rt-users , Sebastian Andrzej Siewior CC: LKML Message-ID: Date: Mon, 18 Dec 2017 20:01:05 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [128.247.59.147] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 24446 Lines: 328 Hi All, Below results of running stress-ng --class os --all 0 -t 5m on TI am57xx-evm (SMP, 2 cpu) git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git branch: linux-4.14.y-rt commit: d3d9904 v4.14.6-rt7 - only config changes applied. one "WARNING: possible circular locking dependency detected" [ 85.943562] ====================================================== [ 85.943564] WARNING: possible circular locking dependency detected [ 85.943568] 4.14.6-rt7-dirty #29 Not tainted [ 85.943570] ------------------------------------------------------ [ 85.943573] stress-ng-cpu-o/764 is trying to acquire lock: [ 85.943576] (&p->pi_lock){-...}, at: [] try_to_wake_up+0x28/0x924 [ 85.943594] [ 85.943594] but task is already holding lock: [ 85.943596] (hrtimer_bases.lock){-...}, at: [] hrtimer_interrupt+0x68/0x2b0 one "WARNING: CPU: 0 PID: 3514 at kernel/rcu/tree_plugin.h:310 rcu_note_context_switch+0x3e8/0x988" ^ sorry, log not very readable [ 197.432766] [] (warn_slowpath_null) from [] (rcu_note_context_switch+0x3e8/0x988) [ 197.432775] [] (rcu_note_context_switch) from [] (__schedule+0xc4/0xa88) [ 197.432782] [] (__schedule) from [] (schedule+0x58/0xf4) [ 197.432790] [] (schedule) from [] (rt_spin_lock_slowlock_locked+0xac/0x300) [ 197.432797] [] (rt_spin_lock_slowlock_locked) from [] (__read_rt_lock+0x84/0xc0) [ 197.432805] [] (__read_rt_lock) from [] (pin_current_cpu+0x38/0x118) [ 197.432816] [] (pin_current_cpu) from [] (migrate_disable+0x78/0x1f0) [ 197.432825] [] (migrate_disable) from [] (rt_spin_lock+0x14/0x4c) [ 197.432835] [] (rt_spin_lock) from [] (dput+0x204/0x414) [ 197.432843] [] (dput) from [] (walk_component+0x128/0x2bc) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) stress-ng: fail: [3751] stress-ng-chdir: mkdir failed, errno=28 (No space left on device) [ 197.432849] [] (walk_component) from [] (link_path_walk+0x164/0x498) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 197.432855] [] (link_path_walk) from [] (path_openat+0x74/0x1144) [ 197.432861] [] (path_openat) from [] (do_filp_open+0x5c/0xc0) stress-ng: fail: [3878] stress-ng-chroot: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [3981] stress-ng-copy-file: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [3981] stress-ng-copy-file: rmdir failed, errno=2 (No such file or directory) [ 197.432870] [] (do_filp_open) from [] (do_sys_open+0x100/0x1c8) [ 197.432879] [] (do_sys_open) from [] (__sys_trace_return+0x0/0x10) [ 197.432883] ---[ end trace 0000000000000002 ]-- -- regards, -grygorii ======================================================================================== root@am57xx-evm:~# uname -a Linux am57xx-evm 4.14.6-rt7-dirty #29 SMP PREEMPT RT Mon Dec 18 19:14:33 CST 2017 armv7l GNU/Linux root@am57xx-evm:~# stress-ng --class os --all 0 -t 5m [....] stress-ng: info: [746] cache allocate: using built-in defaults as unable to determine cache details stress-ng: info: [746] cache allocate: default cache size: 2048K stress-ng: info: [751] stress-ng-apparmor: this stressor is not implemented on this system: armv7l Linux 4.14.6-rt7-dirty stress-ng: info: [754] stress-ng-cap: this stressor is not implemented on this system: armv7l Linux 4.14.6-rt7-dirty [ 80.457621] hrtimer: interrupt took 223179 ns [ 81.070505] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 81.076517] NOHZ: local_softirq_pending 102 [ 81.086481] NOHZ: local_softirq_pending 102 [ 81.096477] NOHZ: local_softirq_pending 102 [ 81.106477] NOHZ: local_softirq_pending 102 [ 81.116478] NOHZ: local_softirq_pending 102 [ 81.117252] NOHZ: local_softirq_pending 102 [ 81.126485] NOHZ: local_softirq_pending 102 [ 81.136482] NOHZ: local_softirq_pending 102 [ 81.146479] NOHZ: local_softirq_pending 102 [ 81.156477] NOHZ: local_softirq_pending 102 stress-ng: info: [790] stress-ng-exec: running as root, won't run test. [ 81.491413] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 82.010701] CPU1: smp_ops.cpu_die() returned, trying to resuscitate stress-ng: fail: [755] stress-ng-chdir: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [808] stress-ng-fault: mkdir failed, errno=28 (No space left on device) [ 82.613772] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 82.984995] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 83.354890] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 83.734523] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 84.040552] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 84.699385] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 85.150263] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 85.314091] CPU1: smp_ops.cpu_die() returned, trying to resuscitate stress-ng: info: [1461] stress-ng-key: this stressor is not implemented on this system: armv7l Linux 4.14.6-rt7-dirty stress-ng: fail: [1458] stress-ng-kcmp: kcmp: KCMP_FILE failed, errno=38 (Function not implemented) stress-ng: fail: [1458] stress-ng-kcmp: kcmp: KCMP_FILE failed, errno=38 (Function not implemented) stress-ng: fail: [1458] stress-ng-kcmp: kcmp: KCMP_FILE failed, errno=38 (Function not implemented) stress-ng: fail: [1458] stress-ng-kcmp: kcmp: KCMP_FILE failed, errno=38 (Function not implemented) stress-ng: fail: [1458] stress-ng-kcmp: kcmp: KCMP_FILES failed, errno=38 (Function not implemented) info: 5 failures reached, aborting stress process [ 85.943560] [ 85.943562] ====================================================== [ 85.943564] WARNING: possible circular locking dependency detected [ 85.943568] 4.14.6-rt7-dirty #29 Not tainted [ 85.943570] ------------------------------------------------------ [ 85.943573] stress-ng-cpu-o/764 is trying to acquire lock: [ 85.943576] (&p->pi_lock){-...}, at: [] try_to_wake_up+0x28/0x924 [ 85.943594] [ 85.943594] but task is already holding lock: [ 85.943596] (hrtimer_bases.lock){-...}, at: [] hrtimer_interrupt+0x68/0x2b0 [ 85.943608] [ 85.943608] which lock already depends on the new lock. [ 85.943608] [ 85.943609] [ 85.943609] the existing dependency chain (in reverse order) is: [ 85.943611] [ 85.943611] -> #3 (hrtimer_bases.lock){-...}: [ 85.943621] lock_hrtimer_base+0x28/0x58 [ 85.943626] hrtimer_start_range_ns+0x1c/0x45c [ 85.943633] enqueue_task_rt+0x2b8/0x304 stress-ng: info: [1615] stress-ng-numa: this stressor is not implemented on this system: armv7l Linux 4.14.6-rt7-dirty [ 85.943638] __sched_setscheduler+0x270/0x83c [ 85.943644] _sched_setscheduler+0x80/0x88 [ 85.943649] ktimer_softirqd_set_sched_params+0x28/0x70 [ 85.943653] smpboot_thread_fn+0xe4/0x2c4 [ 85.943658] kthread+0x118/0x154 [ 85.943664] ret_from_fork+0x14/0x38 [ 85.943666] [ 85.943666] -> #2 (&rt_b->rt_runtime_lock){-...}: [ 85.943677] enqueue_task_rt+0x1b8/0x304 [ 85.943682] __sched_setscheduler+0x270/0x83c [ 85.943686] _sched_setscheduler+0x80/0x88 [ 85.943691] ktimer_softirqd_set_sched_params+0x28/0x70 [ 85.943694] smpboot_thread_fn+0xe4/0x2c4 [ 85.943698] kthread+0x118/0x154 stress-ng: error: [869] stress-ng-fifo: read timeout! stress-ng: error: [875] stress-ng-fifo: read timeout! stress-ng: error: [883] stress-ng-fifo: read timeout! [ 85.943702] ret_from_fork+0x14/0x38 [ 85.943704] [ 85.943704] -> #1 (&rq->lock){-...}: [ 85.943714] task_fork_fair+0x2c/0x178 [ 85.943719] sched_fork+0xec/0x298 [ 85.943725] copy_process.part.5+0x460/0x1c44 [ 85.943730] _do_fork+0xa8/0x800 [ 85.943734] kernel_thread+0x28/0x30 [ 85.943739] rest_init+0x1c/0x264 [ 85.943746] start_kernel+0x364/0x3dc [ 85.943750] 0x8000807c [ 85.943751] [ 85.943751] -> #0 (&p->pi_lock){-...}: [ 85.943762] _raw_spin_lock_irqsave+0x40/0x54 [ 85.943767] try_to_wake_up+0x28/0x924 [ 85.943771] hrtimer_interrupt+0x110/0x2b0 [ 85.943774] hrtimers_dead_cpu+0x348/0x370 [ 85.943780] cpuhp_invoke_callback+0xfc/0x115c [ 85.943783] _cpu_down.constprop.6+0xe4/0x22c [ 85.943788] do_cpu_down+0x30/0x54 [ 85.943794] device_offline+0x84/0xb4 [ 85.943798] online_store+0x44/0x74 [ 85.943804] kernfs_fop_write+0xf8/0x204 [ 85.943811] __vfs_write+0x20/0x128 [ 85.943816] vfs_write+0xa0/0x164 [ 85.943821] SyS_write+0x44/0x9c [ 85.943826] __sys_trace_return+0x0/0x10 [ 85.943828] [ 85.943828] other info that might help us debug this: [ 85.943828] [ 85.943829] Chain exists of: [ 85.943829] &p->pi_lock --> &rt_b->rt_runtime_lock --> hrtimer_bases.lock [ 85.943829] [ 85.943839] Possible unsafe locking scenario: [ 85.943839] [ 85.943841] CPU0 CPU1 [ 85.943842] ---- ---- [ 85.943843] lock(hrtimer_bases.lock); [ 85.943847] lock(&rt_b->rt_runtime_lock); [ 85.943851] lock(hrtimer_bases.lock); [ 85.943855] lock(&p->pi_lock); stress-ng: fail: [1480] stress-ng-klog: syslog ACTION_READ_ALL returned more data than was requested. [ 85.943859] [ 85.943859] *** DEADLOCK *** [ 85.943859] [ 85.943862] 8 locks held by stress-ng-cpu-o/764: [ 85.943864] #0: (sb_writers#4){.+.+}, at: [] vfs_write+0x14c/0x164 [ 85.943877] #1: (&of->mutex){+.+.}, at: [] kernfs_fop_write+0xbc/0x204 [ 85.943888] #2: (kn->count#86){.+.+}, at: [] kernfs_fop_write+0xc4/0x204 [ 85.943899] #3: (device_hotplug_lock){+.+.}, at: [] lock_device_hotplug_sysfs+0xc/0x4c [ 85.943910] #4: (&dev->mutex){....}, at: [] device_offline+0x38/0xb4 [ 85.943921] #5: (cpu_add_remove_lock){+.+.}, at: [] do_cpu_down+0x14/0x54 [ 85.943932] #6: (cpu_hotplug_lock.rw_sem){++++}, at: [] percpu_down_write+0x14/0x100 [ 85.943944] #7: (hrtimer_bases.lock){-...}, at: [] hrtimer_interrupt+0x68/0x2b0 [ 85.943953] [ 85.943953] stack backtrace: stress-ng: info: [2373] stress-ng-spawn: running as root, won't[ 85.943958] CPU: 0 PID: 764 Comm: stress-ng-cpu-o Not tainted 4.14.6-rt7-dirty #29 run test. [ 85.943961] Hardware name: Generic DRA74X (Flattened Device Tree) [ 85.943972] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) stress-ng: fail: [1431] stress-ng-ioprio: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1486] stress-ng-locka: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1493] stress-ng-lockf: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1494] stress-ng-lockofd: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1505] stress-ng-madvise: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1518] stress-ng-mknod: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1579] stress-ng-msync: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1724] stress-ng-readahead: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1780] stress-ng-rename: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1785] stress-ng-rlimit: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1786] stress-ng-rmap: mkdi[ 85.943982] [] (show_stack) from [] (dump_stack+0xa4/0xd8) r failed, errno=28 (No space left on device) stress-ng: fail: [1989] stress-ng[ 85.943992] [] (dump_stack) from [] (print_circular_bug+0x1c8/0x30c) -seek: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [2000] stress-ng-sendfile: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [2462] stress-ng-symlink: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1482] stress-ng-lease: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [1485] stress-ng-link: mkdir failed, errno=2[ 85.944001] [] (print_circular_bug) from [] (__lock_acquire+0x18b0/0x1a5c) 8 (No space left on device) stress-ng: fail: [812] stress-ng-fiemap: write failed, errno=28 (No space left on [ 85.944011] [] (__lock_acquire) from [] (lock_acquire+0xd8/0x2d0) device) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) stress-ng: error: [1582] stress-ng-netlink-proc: kernel does not support netlink, errno=93 (Protocol not supported) stress-ng: error: [1360] stress-ng-inotify: error writing to file ./tmp-stress-ng-inotify-1360-0/inotify_file: errno=28 (No space left on device) stress-ng: info: [2523] stres[ 85.944019] [] (lock_acquire) from [] (_raw_spin_lock_irqsave+0x40/0x54) s-ng-sysfs: running as root, just traversing /sys and not read/writing to /sys files. stress-ng: fail: [1702] stress-ng-quota: quotactl command Q_GETQUOTA fai[ 85.944027] [] (_raw_spin_lock_irqsave) from [] (try_to_wake_up+0x28/0x924) led: errno=3 (No such process) stress-ng: error: [1360] stress-ng-inotify: error writing to file ./tmp-stress-ng-inotify-1360-0/inotify_file: errno=28 (No space left on device) stress-ng: fail: [1702] stress-ng-quota: quotactl command Q_GETFMT failed: errno=3 (No such process) stress-ng: fail: [1702] stress-ng-quota: quotactl command Q_GETINFO failed: errno=3 (No such process) [ 85.944035] [] (try_to_wake_up) from [] (hrtimer_interrupt+0x110/0x2b0) [ 85.944041] [] (hrtimer_interrupt) from [] (hrtimers_dead_cpu+0x348/0x370) [ 85.944050] [] (hrtimers_dead_cpu) from [] (cpuhp_invoke_callback+0xfc/0x115c) [ 85.944057] [] (cpuhp_invoke_callback) from [] (_cpu_down.constprop.6+0xe4/0x22c) [ 85.944065] [] (_cpu_down.constprop.6) from [] (do_cpu_down+0x30/0x54) [ 85.944073] [] (do_cpu_down) from [] (device_offline+0x84/0xb4) stress-ng: error: [777] stress-ng-dnotify: error[ 85.944081] [] (device_offline) from [] (online_store+0x44/0x74) writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 85.944088] [] (online_store) from [] (kernfs_fop_write+0xf8/0x204) stress-ng: error: [2475] stress-ng-sync-file: fallocate failed: errno=28 (No space left on device) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 85.944097] [] (kernfs_fop_write) from [] (__vfs_write+0x20/0x128) [ 85.944105] [] (__vfs_write) from [] (vfs_write+0xa0/0x164) stress-ng: fail: [1702] stress-ng-quota: quotactl command Q_SYNC failed: errno=38 (Function not implemented) stress-ng: error: [1702] stress-ng-quota: quotactl() failed, not available on thi[ 85.944114] [] (vfs_write) from [] (SyS_write+0x44/0x9c) s kernel stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 85.944123] [] (SyS_write) from [] (__sys_trace_return+0x0/0x10) stress-ng: error: [2879] stress-ng-userfaultfd: [ 99.876282] Alignment trap: stress-ng-opcod (1995) PC=0xb6d7654a Instr=0xcdce Address=0x00000975 FSR 0x011 userfaultfd failed, errno = 38 (Function not implemented) stress-ng: fail: [2881] stress-ng-utime: mkdir failed, errno=28 (No space left on device) [ 101.309591] mmap: stress-ng-remap (1741) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. stress-ng: info: [3123] stress-ng-xattr: this s[ 103.697655] audit: type=1326 audit(1509251595.529:2): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=2170 comm="stress-ng-secco" exe="/usr/bin/stress-ng" sig=31 arch=40000028 sy scall=4 compat=0 ip=0xb6e8e3e6 code=0x0 tressor is not implemented on this system: armv7l Linux 4.14.6-rt7-dirty stress-ng: fail: [777] stress-ng-dnotify: did not get expected dnotify file descriptor stress-ng: info: [3164] stress-ng-yield: limiting to 1 yielder (instance 0) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device)[ 103.698832] audit: type=1701 audit(1509251595.529:3): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=2170 comm="stress-ng-secco" exe="/usr/bin/stress-ng" sig=31 res=1 stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 106.002082] Alignment trap: stress-ng-opcod (2196) PC=0xb6d76024 Instr=0xc271 Address=0x0000007f FSR 0x811 stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 150.803127] audit: type=1701 audit(1509251642.629:4): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=776 comm="stress-ng-dirde" exe="/usr/bin/stress-ng" sig=11 res=1 stress-ng: fail: [3313] stress-ng-aio: mkdir failed, errno=28 (No space left on device) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) stress-ng: fail: [3314] stress-ng-aiol: mkdir failed, errno=28 (No space left on device) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 189.148251] CPU1: smp_ops.cpu_die() returned, trying to resuscitate stress-ng: info: [3444] stress-ng-apparmor: this stressor is not implemented on this system: armv7l Linux 4.14.6-rt7-dirty [ 194.507587] CPU1: smp_ops.cpu_die() returned, trying to resuscitate stress-ng: error: [1360] stress-ng-inotify: error writing to file ./tmp-stress-ng-inotify-1360-0/inotify_file: errno=28 (No space left on device) stress-ng: error: [1360] stress-ng-inotify: error writing to file ./tmp-stress-ng-inotify-1360-0/inotify_file: errno=28 (No space left on device) [ 197.432677] ------------[ cut here ]------------ [ 197.432692] WARNING: CPU: 0 PID: 3514 at kernel/rcu/tree_plugin.h:310 rcu_note_context_switch+0x3e8/0x988 stress-ng: error: [1360] stress-ng-inotify: error writing to file ./tmp-stress-ng-inotify-1360-0/inotify_file: errno=28 (No space left on device) stress-ng: fail: [777] stress-ng-dnotify: did not get expected dnotify file descriptor [ 197.432695] Modules linked in: [ 197.432705] CPU: 0 PID: 3514 Comm: (agetty) Not tainted 4.14.6-rt7-dirty #29 [ 197.432708] Hardware name: Generic DRA74X (Flattened Device Tree) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng[ 197.432723] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) -dnotify-777-0/dnotify_file: errno=28 (No space left on device) stress-ng: error: [1360] stress-ng-inotify: error writing to file ./tmp-stress-ng-inotify-1360-0/inotify_file: errno=28 (No space left on device) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) stress-ng: error: [1360] st[ 197.432736] [] (show_stack) from [] (dump_stack+0xa4/0xd8) ress-ng-inotify: error writing to file ./tmp-stress-ng-inotify-1360-0/inotify_file: errno=28 (No space left on device) stress-ng: error: [1360] stress-ng-inotify: cannot mkdir ./tmp-stress-ng-inotify-1360-0/new_dir: errno=28 (No space left on device) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) stress-ng: info: [3721] stress-ng-cap: this stressor is not imple[ 197.432747] [] (dump_stack) from [] (__warn+0xd4/0x100) mented on this system: armv7l Linux 4.14.6-rt7-dirty [ 197.432757] [] (__warn) from [] (warn_slowpath_null+0x20/0x28) [ 197.432766] [] (warn_slowpath_null) from [] (rcu_note_context_switch+0x3e8/0x988) [ 197.432775] [] (rcu_note_context_switch) from [] (__schedule+0xc4/0xa88) [ 197.432782] [] (__schedule) from [] (schedule+0x58/0xf4) [ 197.432790] [] (schedule) from [] (rt_spin_lock_slowlock_locked+0xac/0x300) [ 197.432797] [] (rt_spin_lock_slowlock_locked) from [] (__read_rt_lock+0x84/0xc0) [ 197.432805] [] (__read_rt_lock) from [] (pin_current_cpu+0x38/0x118) [ 197.432816] [] (pin_current_cpu) from [] (migrate_disable+0x78/0x1f0) [ 197.432825] [] (migrate_disable) from [] (rt_spin_lock+0x14/0x4c) [ 197.432835] [] (rt_spin_lock) from [] (dput+0x204/0x414) [ 197.432843] [] (dput) from [] (walk_component+0x128/0x2bc) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) stress-ng: fail: [3751] stress-ng-chdir: mkdir failed, errno=28 (No space left on device) [ 197.432849] [] (walk_component) from [] (link_path_walk+0x164/0x498) stress-ng: error: [777] stress-ng-dnotify: error writing to file ./tmp-stress-ng-dnotify-777-0/dnotify_file: errno=28 (No space left on device) [ 197.432855] [] (link_path_walk) from [] (path_openat+0x74/0x1144) [ 197.432861] [] (path_openat) from [] (do_filp_open+0x5c/0xc0) stress-ng: fail: [3878] stress-ng-chroot: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [3981] stress-ng-copy-file: mkdir failed, errno=28 (No space left on device) stress-ng: fail: [3981] stress-ng-copy-file: rmdir failed, errno=2 (No such file or directory) [ 197.432870] [] (do_filp_open) from [] (do_sys_open+0x100/0x1c8) [ 197.432879] [] (do_sys_open) from [] (__sys_trace_return+0x0/0x10) [ 197.432883] ---[ end trace 0000000000000002 ]--- stress-ng: fail: [777] stress-ng-dnotify: did not get expected dnotify file descriptor [ 320.251807] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 329.696696] CPU1: smp_ops.cpu_die() returned, trying to resuscitate stress-ng: fail: [1701] stress-ng-pty: open /dev/ptmx failed, errno=24 (Too many open files) stress-ng: fail: [1701] stress-ng-pty: open /dev/ptmx failed, errno=24 (Too many open files) stress-ng: fail: [1701] stress-ng-pty: open /dev/ptmx failed, errno=24 (Too many open files) [ 367.335558] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 376.843596] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 383.098782] Alignment trap: stress-ng-opcod (4534) PC=0xb6d7607c Instr=0x98327a06 Address=0x00001fe6 FSR 0x011 [ 391.634656] CPU1: smp_ops.cpu_die() returned, trying to resuscitate stress-ng: info: [762] stress-ng-clone: created[ 395.831673] sched: RT throttling activated a maximum of 24 clones stress-ng: fail: [747] stress-ng-af-alg: socket failed, errno=97 (Address family not supported by protocol) stress-ng: fail: [4280] stress-ng-dir: mkdir failed, errno=28 (No space left on[ 398.338116] audit: type=1701 audit(1509251890.167:5): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=4353 comm="stress-ng-dirde" exe="/usr/bin/st ress-ng" sig=11 res=1 device) [ 402.445659] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 407.263815] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 408.137095] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [ 409.300929] CPU1: smp_ops.cpu_die() returned, trying to resuscitate [...]