On Sat, Aug 05, 2017 at 08:53:24PM +0200, Bastian Blank wrote: > On Sat, Aug 05, 2017 at 08:22:36PM +0200, Gilles Sadowski wrote: > > I've just upgraded another computer from "jessie" to "stretch"; this > > installed 4.11.0-1 by default, and on that machine the problem immediately > > No, it does not and never will. 4.11.0-1 is testing and unstable, aka > Buster and Sid. > > > $ uname -a > > Linux night 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u2 (2017-06-26) x86_64 > > GNU/Linux > > That one seems to work, for now... > > This is the kernel from Stretch, so you are good.
It doesn't look like it, unfortunately; below is the contents of "kern.log": ---CUT--- Aug 7 11:18:36 eccen kernel: Bluetooth: Core ver 2.22 Aug 7 11:18:36 eccen kernel: NET: Registered protocol family 31 Aug 7 11:18:36 eccen kernel: Bluetooth: HCI device and connection manager initialized Aug 7 11:18:36 eccen kernel: Bluetooth: HCI socket layer initialized Aug 7 11:18:36 eccen kernel: Bluetooth: L2CAP socket layer initialized Aug 7 11:18:36 eccen kernel: Bluetooth: SCO socket layer initialized Aug 7 11:18:36 eccen kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3 Aug 7 11:18:36 eccen kernel: Bluetooth: BNEP filters: protocol multicast Aug 7 11:18:36 eccen kernel: Bluetooth: BNEP socket layer initialized Aug 7 11:18:40 eccen kernel: NET: Registered protocol family 4 Aug 7 11:18:40 eccen kernel: NET: Registered protocol family 3 Aug 7 11:18:40 eccen kernel: NET: Registered protocol family 5 Aug 7 11:19:10 eccen kernel: fuse init (API version 7.26) Aug 7 18:03:37 eccen kernel: NET: Registered protocol family 38 Aug 7 18:03:41 eccen kernel: EXT4-fs (dm-13): recovery complete Aug 7 18:03:41 eccen kernel: EXT4-fs (dm-13): mounted filesystem with ordered data mode. Opts: (null) Aug 9 14:07:34 eccen kernel: perf: interrupt took too long (2506 > 2500), lowering kernel.perf_event_max_sample_rate to 79750 Aug 10 04:29:39 eccen kernel: perf: interrupt took too long (3141 > 3132), lowering kernel.perf_event_max_sample_rate to 63500 Aug 12 07:39:53 eccen kernel: INFO: task kswapd0:75 blocked for more than 120 seconds. Aug 12 07:39:53 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:39:53 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:39:53 eccen kernel: kswapd0 D 0 75 2 0x00000000 Aug 12 07:39:53 eccen kernel: ffff9635d3f92000 0000000000000000 ffff9635d48d1100 ffff9635dec98240 Aug 12 07:39:53 eccen kernel: ffff9635d525f040 ffffb8f3410d3b58 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:39:53 eccen kernel: 0000000000000246 ffff9635dec98240 ffff96358b2e0888 ffff9635d48d1100 Aug 12 07:39:53 eccen kernel: Call Trace: Aug 12 07:39:53 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:39:53 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:39:53 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:39:53 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:39:53 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:39:53 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:39:53 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:39:53 eccen kernel: [<ffffffffb87961a8>] ? kswapd+0x2e8/0x6b0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8795ec0>] ? mem_cgroup_shrink_node+0x170/0x170 Aug 12 07:39:53 eccen kernel: [<ffffffffb86965d7>] ? kthread+0xd7/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8696500>] ? kthread_park+0x60/0x60 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c064f5>] ? ret_from_fork+0x25/0x30 Aug 12 07:39:53 eccen kernel: INFO: task cinnamon:4112 blocked for more than 120 seconds. Aug 12 07:39:53 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:39:53 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:39:53 eccen kernel: cinnamon D 0 4112 4099 0x00000000 Aug 12 07:39:53 eccen kernel: ffff9635d3f92400 0000000000000000 ffff9635d183d140 ffff9635dec18240 Aug 12 07:39:53 eccen kernel: ffffffffb920e500 ffffb8f34322b540 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:39:53 eccen kernel: 0000000000000246 ffff9635dec18240 ffff96358b2e0888 ffff9635d183d140 Aug 12 07:39:53 eccen kernel: Call Trace: Aug 12 07:39:53 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:39:53 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:39:53 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:39:53 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:39:53 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:39:53 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:39:53 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:39:53 eccen kernel: [<ffffffffb8795501>] ? do_try_to_free_pages+0xf1/0x330 Aug 12 07:39:53 eccen kernel: [<ffffffffb879582b>] ? try_to_free_pages+0xeb/0x1a0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8785364>] ? __alloc_pages_slowpath+0x394/0xbc0 Aug 12 07:39:53 eccen kernel: [<ffffffffb862e905>] ? sched_clock+0x5/0x10 Aug 12 07:39:53 eccen kernel: [<ffffffffb8785d8e>] ? __alloc_pages_nodemask+0x1fe/0x260 Aug 12 07:39:53 eccen kernel: [<ffffffffb87d5ec1>] ? alloc_pages_current+0x91/0x140 Aug 12 07:39:53 eccen kernel: [<ffffffffb87816da>] ? __get_free_pages+0xa/0x30 Aug 12 07:39:53 eccen kernel: [<ffffffffb8816ef5>] ? __pollwait+0x95/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffb884d1bf>] ? timerfd_poll+0x2f/0x60 Aug 12 07:39:53 eccen kernel: [<ffffffffb881846e>] ? do_sys_poll+0x26e/0x550 Aug 12 07:39:53 eccen kernel: [<ffffffffb8931af0>] ? number+0x2f0/0x310 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c0380e>] ? mutex_lock+0xe/0x30 Aug 12 07:39:53 eccen kernel: [<ffffffffb8ba5605>] ? unix_stream_read_generic+0x225/0x8f0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8816e60>] ? poll_initwait+0x40/0x40 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:39:53 eccen kernel: [<ffffffffb881883b>] ? SyS_poll+0x6b/0x120 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c0627b>] ? system_call_fast_compare_end+0xc/0x9b Aug 12 07:39:53 eccen kernel: INFO: task sshfs:2488 blocked for more than 120 seconds. Aug 12 07:39:53 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:39:53 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:39:53 eccen kernel: sshfs D 0 2488 1 0x00000000 Aug 12 07:39:53 eccen kernel: ffff9635ae6e4c00 0000000000000000 ffff96357c5ea000 ffff9635ded98240 Aug 12 07:39:53 eccen kernel: ffff9635d5273140 ffffb8f34232f638 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:39:53 eccen kernel: 0000000000000246 ffff9635ded98240 ffff96358b2e0888 ffff96357c5ea000 Aug 12 07:39:53 eccen kernel: Call Trace: Aug 12 07:39:53 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:39:53 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:39:53 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:39:53 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:39:53 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:39:53 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:39:53 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:39:53 eccen kernel: [<ffffffffb8795501>] ? do_try_to_free_pages+0xf1/0x330 Aug 12 07:39:53 eccen kernel: [<ffffffffb879582b>] ? try_to_free_pages+0xeb/0x1a0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8785364>] ? __alloc_pages_slowpath+0x394/0xbc0 Aug 12 07:39:53 eccen kernel: [<ffffffffb87f74c0>] ? memcg_kmem_get_cache+0x50/0x160 Aug 12 07:39:53 eccen kernel: [<ffffffffb87df0b6>] ? kmem_cache_alloc_node_trace+0x156/0x5a0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8785d8e>] ? __alloc_pages_nodemask+0x1fe/0x260 Aug 12 07:39:53 eccen kernel: [<ffffffffb87d5ec1>] ? alloc_pages_current+0x91/0x140 Aug 12 07:39:53 eccen kernel: [<ffffffffb8aebc51>] ? alloc_skb_with_frags+0xf1/0x1d0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8ae7283>] ? sock_alloc_send_pskb+0x1f3/0x220 Aug 12 07:39:53 eccen kernel: [<ffffffffc0c8401e>] ? lock_request+0x1e/0x50 [fuse] Aug 12 07:39:53 eccen kernel: [<ffffffffb8ba88b4>] ? wait_for_unix_gc+0x34/0xb0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8ba6e6c>] ? unix_stream_sendmsg+0x28c/0x400 Aug 12 07:39:53 eccen kernel: [<ffffffffb8ae2880>] ? sock_sendmsg+0x30/0x40 Aug 12 07:39:53 eccen kernel: [<ffffffffb8ae2917>] ? sock_write_iter+0x87/0x100 Aug 12 07:39:53 eccen kernel: [<ffffffffb8800b88>] ? do_iter_readv_writev+0xb8/0x140 Aug 12 07:39:53 eccen kernel: [<ffffffffb880206e>] ? do_readv_writev+0x19e/0x240 Aug 12 07:39:53 eccen kernel: [<ffffffffc0c876e0>] ? fuse_dev_read+0x60/0x90 [fuse] Aug 12 07:39:53 eccen kernel: [<ffffffffb880239e>] ? do_writev+0x5e/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8803136>] ? SyS_read+0x76/0xc0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c0627b>] ? system_call_fast_compare_end+0xc/0x9b Aug 12 07:39:53 eccen kernel: INFO: task jbd2/dm-13-8:16104 blocked for more than 120 seconds. Aug 12 07:39:53 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:39:53 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:39:53 eccen kernel: jbd2/dm-13-8 D 0 16104 2 0x00000000 Aug 12 07:39:53 eccen kernel: ffff9635d4148000 0000000000000000 ffff963558d02100 ffff9635ded58240 Aug 12 07:39:53 eccen kernel: ffff9635d526e100 ffffb8f34179bb30 ffffffffb8c015d3 ffff9635cf8a1300 Aug 12 07:39:53 eccen kernel: 0000000000000001 ffff9635ded58240 ffff9634e391bda8 ffff963558d02100 Aug 12 07:39:53 eccen kernel: Call Trace: Aug 12 07:39:53 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c02240>] ? bit_wait+0x50/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c04e73>] ? schedule_timeout+0x243/0x310 Aug 12 07:39:53 eccen kernel: [<ffffffffb86ec0ec>] ? ktime_get+0x3c/0xb0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c02240>] ? bit_wait+0x50/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c0133d>] ? io_schedule_timeout+0x9d/0x100 Aug 12 07:39:53 eccen kernel: [<ffffffffb86b8987>] ? prepare_to_wait+0x57/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c02257>] ? bit_wait_io+0x17/0x60 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c01e23>] ? __wait_on_bit+0x53/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c02240>] ? bit_wait+0x50/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c01f7e>] ? out_of_line_wait_on_bit+0x7e/0xa0 Aug 12 07:39:53 eccen kernel: [<ffffffffb86b8df0>] ? wake_atomic_t_function+0x60/0x60 Aug 12 07:39:53 eccen kernel: [<ffffffffc05dade2>] ? jbd2_journal_commit_transaction+0xdd2/0x17a0 [jbd2] Aug 12 07:39:53 eccen kernel: [<ffffffffc05dfbc2>] ? kjournald2+0xc2/0x260 [jbd2] Aug 12 07:39:53 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffc05dfb00>] ? commit_timeout+0x10/0x10 [jbd2] Aug 12 07:39:53 eccen kernel: [<ffffffffb867bb0a>] ? do_group_exit+0x3a/0xa0 Aug 12 07:39:53 eccen kernel: [<ffffffffb86965d7>] ? kthread+0xd7/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8696500>] ? kthread_park+0x60/0x60 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c064f5>] ? ret_from_fork+0x25/0x30 Aug 12 07:39:53 eccen kernel: INFO: task find:29667 blocked for more than 120 seconds. Aug 12 07:39:53 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:39:53 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:39:53 eccen kernel: find D 0 29667 29666 0x00000000 Aug 12 07:39:53 eccen kernel: ffff9635d2178c00 0000000000000000 ffff9635aec40040 ffff9635dedd8240 Aug 12 07:39:53 eccen kernel: ffff9635d5278000 ffffb8f3480db538 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:39:53 eccen kernel: 0000000000000246 ffff9635dedd8240 ffff96358b2e0888 ffff9635aec40040 Aug 12 07:39:53 eccen kernel: Call Trace: Aug 12 07:39:53 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:39:53 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:39:53 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:39:53 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:39:53 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:39:53 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:39:53 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:39:53 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:39:53 eccen kernel: [<ffffffffb8795501>] ? do_try_to_free_pages+0xf1/0x330 Aug 12 07:39:53 eccen kernel: [<ffffffffb879582b>] ? try_to_free_pages+0xeb/0x1a0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8785364>] ? __alloc_pages_slowpath+0x394/0xbc0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8785264>] ? __alloc_pages_slowpath+0x294/0xbc0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8785d8e>] ? __alloc_pages_nodemask+0x1fe/0x260 Aug 12 07:39:53 eccen kernel: [<ffffffffb87de16d>] ? cache_grow_begin+0x9d/0x550 Aug 12 07:39:53 eccen kernel: [<ffffffffb87de16d>] ? cache_grow_begin+0x9d/0x550 Aug 12 07:39:53 eccen kernel: [<ffffffffb87de8d1>] ? fallback_alloc+0x161/0x200 Aug 12 07:39:53 eccen kernel: [<ffffffffb87e01d5>] ? kmem_cache_alloc+0x1c5/0x520 Aug 12 07:39:53 eccen kernel: [<ffffffffb8839b0c>] ? __getblk_gfp+0x2c/0x310 Aug 12 07:39:53 eccen kernel: [<ffffffffc0632099>] ? __ext4_ext_check+0x2a9/0x3a0 [ext4] Aug 12 07:39:53 eccen kernel: [<ffffffffb881bed2>] ? __d_alloc+0x22/0x1d0 Aug 12 07:39:53 eccen kernel: [<ffffffffb881c095>] ? d_alloc+0x15/0x70 Aug 12 07:39:53 eccen kernel: [<ffffffffb881c5cd>] ? d_alloc_parallel+0x4d/0x4e0 Aug 12 07:39:53 eccen kernel: [<ffffffffc05ff9d1>] ? ext4_htree_store_dirent+0xd1/0x100 [ext4] Aug 12 07:39:53 eccen kernel: [<ffffffffb880de50>] ? lookup_slow+0x80/0x170 Aug 12 07:39:53 eccen kernel: [<ffffffffb880e573>] ? walk_component+0x1f3/0x320 Aug 12 07:39:53 eccen kernel: [<ffffffffb880f677>] ? path_lookupat+0x67/0x120 Aug 12 07:39:53 eccen kernel: [<ffffffffb8812031>] ? filename_lookup+0xb1/0x180 Aug 12 07:39:53 eccen kernel: [<ffffffffb87fdefa>] ? __check_object_size+0xfa/0x1d8 Aug 12 07:39:53 eccen kernel: [<ffffffffb89568c8>] ? strncpy_from_user+0x48/0x160 Aug 12 07:39:53 eccen kernel: [<ffffffffb8811c6a>] ? getname_flags+0x6a/0x1e0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8806d79>] ? vfs_fstatat+0x59/0xb0 Aug 12 07:39:53 eccen kernel: [<ffffffffb882145c>] ? __fd_install+0x2c/0xc0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8807380>] ? SYSC_newfstatat+0x20/0x50 Aug 12 07:39:53 eccen kernel: [<ffffffffb8821b37>] ? f_dupfd+0x67/0x80 Aug 12 07:39:53 eccen kernel: [<ffffffffb8815272>] ? SyS_fcntl+0x222/0x4e0 Aug 12 07:39:53 eccen kernel: [<ffffffffb8c0627b>] ? system_call_fast_compare_end+0xc/0x9b Aug 12 07:41:54 eccen kernel: INFO: task kswapd0:75 blocked for more than 120 seconds. Aug 12 07:41:54 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:41:54 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:41:54 eccen kernel: kswapd0 D 0 75 2 0x00000000 Aug 12 07:41:54 eccen kernel: ffff9635d3f92000 0000000000000000 ffff9635d48d1100 ffff9635dec98240 Aug 12 07:41:54 eccen kernel: ffff9635d525f040 ffffb8f3410d3b58 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:41:54 eccen kernel: 0000000000000246 ffff9635dec98240 ffff96358b2e0888 ffff9635d48d1100 Aug 12 07:41:54 eccen kernel: Call Trace: Aug 12 07:41:54 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:41:54 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:41:54 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:41:54 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:41:54 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:41:54 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:41:54 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:41:54 eccen kernel: [<ffffffffb87961a8>] ? kswapd+0x2e8/0x6b0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8795ec0>] ? mem_cgroup_shrink_node+0x170/0x170 Aug 12 07:41:54 eccen kernel: [<ffffffffb86965d7>] ? kthread+0xd7/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8696500>] ? kthread_park+0x60/0x60 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c064f5>] ? ret_from_fork+0x25/0x30 Aug 12 07:41:54 eccen kernel: INFO: task cinnamon:4112 blocked for more than 120 seconds. Aug 12 07:41:54 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:41:54 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:41:54 eccen kernel: cinnamon D 0 4112 4099 0x00000000 Aug 12 07:41:54 eccen kernel: ffff9635d3f92400 0000000000000000 ffff9635d183d140 ffff9635dec18240 Aug 12 07:41:54 eccen kernel: ffffffffb920e500 ffffb8f34322b540 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:41:54 eccen kernel: 0000000000000246 ffff9635dec18240 ffff96358b2e0888 ffff9635d183d140 Aug 12 07:41:54 eccen kernel: Call Trace: Aug 12 07:41:54 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:41:54 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:41:54 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:41:54 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:41:54 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:41:54 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:41:54 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:41:54 eccen kernel: [<ffffffffb8795501>] ? do_try_to_free_pages+0xf1/0x330 Aug 12 07:41:54 eccen kernel: [<ffffffffb879582b>] ? try_to_free_pages+0xeb/0x1a0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8785364>] ? __alloc_pages_slowpath+0x394/0xbc0 Aug 12 07:41:54 eccen kernel: [<ffffffffb862e905>] ? sched_clock+0x5/0x10 Aug 12 07:41:54 eccen kernel: [<ffffffffb8785d8e>] ? __alloc_pages_nodemask+0x1fe/0x260 Aug 12 07:41:54 eccen kernel: [<ffffffffb87d5ec1>] ? alloc_pages_current+0x91/0x140 Aug 12 07:41:54 eccen kernel: [<ffffffffb87816da>] ? __get_free_pages+0xa/0x30 Aug 12 07:41:54 eccen kernel: [<ffffffffb8816ef5>] ? __pollwait+0x95/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffb884d1bf>] ? timerfd_poll+0x2f/0x60 Aug 12 07:41:54 eccen kernel: [<ffffffffb881846e>] ? do_sys_poll+0x26e/0x550 Aug 12 07:41:54 eccen kernel: [<ffffffffb8931af0>] ? number+0x2f0/0x310 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c0380e>] ? mutex_lock+0xe/0x30 Aug 12 07:41:54 eccen kernel: [<ffffffffb8ba5605>] ? unix_stream_read_generic+0x225/0x8f0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8816e60>] ? poll_initwait+0x40/0x40 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb8817200>] ? poll_select_copy_remaining+0x150/0x150 Aug 12 07:41:54 eccen kernel: [<ffffffffb881883b>] ? SyS_poll+0x6b/0x120 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c0627b>] ? system_call_fast_compare_end+0xc/0x9b Aug 12 07:41:54 eccen kernel: INFO: task sshfs:2488 blocked for more than 120 seconds. Aug 12 07:41:54 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:41:54 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:41:54 eccen kernel: sshfs D 0 2488 1 0x00000000 Aug 12 07:41:54 eccen kernel: ffff9635ae6e4c00 0000000000000000 ffff96357c5ea000 ffff9635ded98240 Aug 12 07:41:54 eccen kernel: ffff9635d5273140 ffffb8f34232f638 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:41:54 eccen kernel: 0000000000000246 ffff9635ded98240 ffff96358b2e0888 ffff96357c5ea000 Aug 12 07:41:54 eccen kernel: Call Trace: Aug 12 07:41:54 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:41:54 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:41:54 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:41:54 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:41:54 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:41:54 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:41:54 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:41:54 eccen kernel: [<ffffffffb8795501>] ? do_try_to_free_pages+0xf1/0x330 Aug 12 07:41:54 eccen kernel: [<ffffffffb879582b>] ? try_to_free_pages+0xeb/0x1a0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8785364>] ? __alloc_pages_slowpath+0x394/0xbc0 Aug 12 07:41:54 eccen kernel: [<ffffffffb87f74c0>] ? memcg_kmem_get_cache+0x50/0x160 Aug 12 07:41:54 eccen kernel: [<ffffffffb87df0b6>] ? kmem_cache_alloc_node_trace+0x156/0x5a0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8785d8e>] ? __alloc_pages_nodemask+0x1fe/0x260 Aug 12 07:41:54 eccen kernel: [<ffffffffb87d5ec1>] ? alloc_pages_current+0x91/0x140 Aug 12 07:41:54 eccen kernel: [<ffffffffb8aebc51>] ? alloc_skb_with_frags+0xf1/0x1d0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8ae7283>] ? sock_alloc_send_pskb+0x1f3/0x220 Aug 12 07:41:54 eccen kernel: [<ffffffffc0c8401e>] ? lock_request+0x1e/0x50 [fuse] Aug 12 07:41:54 eccen kernel: [<ffffffffb8ba88b4>] ? wait_for_unix_gc+0x34/0xb0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8ba6e6c>] ? unix_stream_sendmsg+0x28c/0x400 Aug 12 07:41:54 eccen kernel: [<ffffffffb8ae2880>] ? sock_sendmsg+0x30/0x40 Aug 12 07:41:54 eccen kernel: [<ffffffffb8ae2917>] ? sock_write_iter+0x87/0x100 Aug 12 07:41:54 eccen kernel: [<ffffffffb8800b88>] ? do_iter_readv_writev+0xb8/0x140 Aug 12 07:41:54 eccen kernel: [<ffffffffb880206e>] ? do_readv_writev+0x19e/0x240 Aug 12 07:41:54 eccen kernel: [<ffffffffc0c876e0>] ? fuse_dev_read+0x60/0x90 [fuse] Aug 12 07:41:54 eccen kernel: [<ffffffffb880239e>] ? do_writev+0x5e/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8803136>] ? SyS_read+0x76/0xc0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c0627b>] ? system_call_fast_compare_end+0xc/0x9b Aug 12 07:41:54 eccen kernel: INFO: task jbd2/dm-13-8:16104 blocked for more than 120 seconds. Aug 12 07:41:54 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:41:54 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:41:54 eccen kernel: jbd2/dm-13-8 D 0 16104 2 0x00000000 Aug 12 07:41:54 eccen kernel: ffff9635d4148000 0000000000000000 ffff963558d02100 ffff9635ded58240 Aug 12 07:41:54 eccen kernel: ffff9635d526e100 ffffb8f34179bb30 ffffffffb8c015d3 ffff9635cf8a1300 Aug 12 07:41:54 eccen kernel: 0000000000000001 ffff9635ded58240 ffff9634e391bda8 ffff963558d02100 Aug 12 07:41:54 eccen kernel: Call Trace: Aug 12 07:41:54 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c02240>] ? bit_wait+0x50/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c04e73>] ? schedule_timeout+0x243/0x310 Aug 12 07:41:54 eccen kernel: [<ffffffffb86ec0ec>] ? ktime_get+0x3c/0xb0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c02240>] ? bit_wait+0x50/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c0133d>] ? io_schedule_timeout+0x9d/0x100 Aug 12 07:41:54 eccen kernel: [<ffffffffb86b8987>] ? prepare_to_wait+0x57/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c02257>] ? bit_wait_io+0x17/0x60 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c01e23>] ? __wait_on_bit+0x53/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c02240>] ? bit_wait+0x50/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c01f7e>] ? out_of_line_wait_on_bit+0x7e/0xa0 Aug 12 07:41:54 eccen kernel: [<ffffffffb86b8df0>] ? wake_atomic_t_function+0x60/0x60 Aug 12 07:41:54 eccen kernel: [<ffffffffc05dade2>] ? jbd2_journal_commit_transaction+0xdd2/0x17a0 [jbd2] Aug 12 07:41:54 eccen kernel: [<ffffffffc05dfbc2>] ? kjournald2+0xc2/0x260 [jbd2] Aug 12 07:41:54 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffc05dfb00>] ? commit_timeout+0x10/0x10 [jbd2] Aug 12 07:41:54 eccen kernel: [<ffffffffb867bb0a>] ? do_group_exit+0x3a/0xa0 Aug 12 07:41:54 eccen kernel: [<ffffffffb86965d7>] ? kthread+0xd7/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8696500>] ? kthread_park+0x60/0x60 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c064f5>] ? ret_from_fork+0x25/0x30 Aug 12 07:41:54 eccen kernel: INFO: task find:29667 blocked for more than 120 seconds. Aug 12 07:41:54 eccen kernel: Not tainted 4.9.0-3-amd64 #1 Debian 4.9.30-2+deb9u3 Aug 12 07:41:54 eccen kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Aug 12 07:41:54 eccen kernel: find D 0 29667 29666 0x00000000 Aug 12 07:41:54 eccen kernel: ffff9635d2178c00 0000000000000000 ffff9635aec40040 ffff9635dedd8240 Aug 12 07:41:54 eccen kernel: ffff9635d5278000 ffffb8f3480db538 ffffffffb8c015d3 ffff96358b2e08a0 Aug 12 07:41:54 eccen kernel: 0000000000000246 ffff9635dedd8240 ffff96358b2e0888 ffff9635aec40040 Aug 12 07:41:54 eccen kernel: Call Trace: Aug 12 07:41:54 eccen kernel: [<ffffffffb8c015d3>] ? __schedule+0x233/0x6d0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c01aa2>] ? schedule+0x32/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffc05df683>] ? jbd2_log_wait_commit+0x93/0x110 [jbd2] Aug 12 07:41:54 eccen kernel: [<ffffffffb86b8d50>] ? prepare_to_wait_event+0xf0/0xf0 Aug 12 07:41:54 eccen kernel: [<ffffffffc060c1f1>] ? ext4_evict_inode+0x2c1/0x460 [ext4] Aug 12 07:41:54 eccen kernel: [<ffffffffb881e8f6>] ? evict+0xb6/0x180 Aug 12 07:41:54 eccen kernel: [<ffffffffb881e9f6>] ? dispose_list+0x36/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb881fb02>] ? prune_icache_sb+0x52/0x70 Aug 12 07:41:54 eccen kernel: [<ffffffffb880583b>] ? super_cache_scan+0x13b/0x190 Aug 12 07:41:54 eccen kernel: [<ffffffffb87908d0>] ? shrink_slab.part.38+0x210/0x430 Aug 12 07:41:54 eccen kernel: [<ffffffffb87951fa>] ? shrink_node+0x10a/0x320 Aug 12 07:41:54 eccen kernel: [<ffffffffb8795501>] ? do_try_to_free_pages+0xf1/0x330 Aug 12 07:41:54 eccen kernel: [<ffffffffb879582b>] ? try_to_free_pages+0xeb/0x1a0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8785364>] ? __alloc_pages_slowpath+0x394/0xbc0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8785264>] ? __alloc_pages_slowpath+0x294/0xbc0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8785d8e>] ? __alloc_pages_nodemask+0x1fe/0x260 Aug 12 07:41:54 eccen kernel: [<ffffffffb87de16d>] ? cache_grow_begin+0x9d/0x550 Aug 12 07:41:54 eccen kernel: [<ffffffffb87de16d>] ? cache_grow_begin+0x9d/0x550 Aug 12 07:41:54 eccen kernel: [<ffffffffb87de8d1>] ? fallback_alloc+0x161/0x200 Aug 12 07:41:54 eccen kernel: [<ffffffffb87e01d5>] ? kmem_cache_alloc+0x1c5/0x520 Aug 12 07:41:54 eccen kernel: [<ffffffffb8839b0c>] ? __getblk_gfp+0x2c/0x310 Aug 12 07:41:54 eccen kernel: [<ffffffffc0632099>] ? __ext4_ext_check+0x2a9/0x3a0 [ext4] Aug 12 07:41:54 eccen kernel: [<ffffffffb881bed2>] ? __d_alloc+0x22/0x1d0 Aug 12 07:41:54 eccen kernel: [<ffffffffb881c095>] ? d_alloc+0x15/0x70 Aug 12 07:41:54 eccen kernel: [<ffffffffb881c5cd>] ? d_alloc_parallel+0x4d/0x4e0 Aug 12 07:41:54 eccen kernel: [<ffffffffc05ff9d1>] ? ext4_htree_store_dirent+0xd1/0x100 [ext4] Aug 12 07:41:54 eccen kernel: [<ffffffffb880de50>] ? lookup_slow+0x80/0x170 Aug 12 07:41:54 eccen kernel: [<ffffffffb880e573>] ? walk_component+0x1f3/0x320 Aug 12 07:41:54 eccen kernel: [<ffffffffb880f677>] ? path_lookupat+0x67/0x120 Aug 12 07:41:54 eccen kernel: [<ffffffffb8812031>] ? filename_lookup+0xb1/0x180 Aug 12 07:41:54 eccen kernel: [<ffffffffb87fdefa>] ? __check_object_size+0xfa/0x1d8 Aug 12 07:41:54 eccen kernel: [<ffffffffb89568c8>] ? strncpy_from_user+0x48/0x160 Aug 12 07:41:54 eccen kernel: [<ffffffffb8811c6a>] ? getname_flags+0x6a/0x1e0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8806d79>] ? vfs_fstatat+0x59/0xb0 Aug 12 07:41:54 eccen kernel: [<ffffffffb882145c>] ? __fd_install+0x2c/0xc0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8807380>] ? SYSC_newfstatat+0x20/0x50 Aug 12 07:41:54 eccen kernel: [<ffffffffb8821b37>] ? f_dupfd+0x67/0x80 Aug 12 07:41:54 eccen kernel: [<ffffffffb8815272>] ? SyS_fcntl+0x222/0x4e0 Aug 12 07:41:54 eccen kernel: [<ffffffffb8c0627b>] ? system_call_fast_compare_end+0xc/0x9b ---CUT--- In the above, we see that the problem is appearing some 5 days after boot. Is the cause in the kernel or in the hardware? Last time it occurred (on the kernal from "unstable"), I noticed that the short SMART test was behaving anormally on one of the disk (taking much than the supposed "1 minute" advertized by the tool), but no warning of imminent failure is reported. I've just rerun this test on both disks, they completed indeed within about a minute, and the reported lifetimes are ---CUT--- SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 20704 - # 2 Short offline Completed without error 00% 20533 - ---CUT--- and ---CUT--- SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 63719 - # 2 Short offline Completed without error 00% 63542 - ---CUT--- So, it is not reasonable to expect that changing the disk(s) will solve the issue. What can be the possible root causes of the messages in "kern.log"? Note: this is on an non-suspicious version: $ uname -a Linux eccen 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u3 (2017-08-06) x86_64 GNU/Linux Regards, Gilles