Return-Path: Received: from mail-wm0-f68.google.com ([74.125.82.68]:33513 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755583AbeAHSd7 (ORCPT ); Mon, 8 Jan 2018 13:33:59 -0500 Date: Mon, 8 Jan 2018 19:33:53 +0100 From: Krzysztof Kozlowski To: Jeff Layton Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk, linux-nfs@vger.kernel.org, bfields@fieldses.org, neilb@suse.de, jack@suse.de, linux-ext4@vger.kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, linux-xfs@vger.kernel.org, darrick.wong@oracle.com, david@fromorbit.com, linux-btrfs@vger.kernel.org, clm@fb.com, jbacik@fb.com, dsterba@suse.com, linux-integrity@vger.kernel.org, zohar@linux.vnet.ibm.com, dmitry.kasatkin@gmail.com, linux-afs@lists.infradead.org, dhowells@redhat.com, jaltman@auristor.com, linux-samsung-soc@vger.kernel.org, Marek Szyprowski , =?utf-8?Q?Bart=C5=82omiej_=C5=BBo=C5=82nierkiewicz?= , Sylwester Nawrocki Subject: Re: [PATCH v4 19/19] fs: handle inode->i_version more efficiently Message-ID: <20180108183353.emiwsd4aic4gmytr@kozik-lap> References: <20171222120556.7435-1-jlayton@kernel.org> <20171222120556.7435-20-jlayton@kernel.org> <1515416208.3486.14.camel@kernel.org> <1515418164.3486.18.camel@kernel.org> <20180108172928.aqndozcpljb73uj6@kozik-lap> <1515434419.3486.41.camel@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: <1515434419.3486.41.camel@kernel.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Mon, Jan 08, 2018 at 01:00:19PM -0500, Jeff Layton wrote: > On Mon, 2018-01-08 at 18:29 +0100, Krzysztof Kozlowski wrote: (...) > > > Ok, thanks. If you're seeing hangs then that might imply that we have > > > some sort of excessive looping going on in the cmpxchg loops. > > > > > > Could you apply the patch below and let me know if it causes either of > > > the warnings to pop? That might at least point us in the right > > > direction: > > > > No new warnings with attached patch (except existing already lockdep: > > "INFO: trying to register non-static key."). > > > > Yeah, I saw that in the original logs and it looks unrelated (and > harmless). > > > Systemd timeouts on mounting /home but after entering rescue shell there > > is no problem running mount /home: > > Give root password for maintenance > > (or press Control-D to continue): > > root@odroidxu3:~# mount /home > > [ 220.659331] EXT4-fs (mmcblk1p2): mounted filesystem with ordered data mode. Opts: (null) > > > > Ok, thanks for testing it. So I guess we can probably rule out excessive > looping in those functions as the issue. > > To make sure I understand the problem: When systemd tries to do the > initial mount of /home (which is an ext4 filesystem), it hangs. But once > it drops to the shell, it works, if you do the mount by hand. > > Is that correct? Yes, although it also timeouts on setting up /dev/ttySAC2 (serial console). > If so, then is it possible to trigger sysrq commands during the hanging > mount attempt? Maybe you could use e.g. sysrq-l, sysrq-w, etc. to > determine what it's blocking on? Yes, I have sysrq. Blocked state (w): ################## [ *** ] (2 of 4) A start job is running for…v-ttySAC2.device (1min / 1min 30s) *** break sent *** [*** ] (2 of 4) A start job is running for…v-ttySAC2.device (1min / 1min 30s)[ 110.962917] sysrq: SysRq : Show Blocked State [ 110.965931] task PC stack pid father [ 110.971360] lvm D 0 219 1 0x00000000 [ 110.976649] [] (__schedule) from [] (schedule+0x4c/0xac) [ 110.983643] [] (schedule) from [] (rpc_wait_bit_killable+0x2c/0xf0) [ 110.991621] [] (rpc_wait_bit_killable) from [] (__wait_on_bit+0x80/0xb4) [ 111.000025] [] (__wait_on_bit) from [] (out_of_line_wait_on_bit+0x8c/0x94) [ 111.008603] [] (out_of_line_wait_on_bit) from [] (__rpc_execute+0x19c/0x274) [ 111.017370] [] (__rpc_execute) from [] (rpc_run_task+0x134/0x14c) [ 111.025164] [] (rpc_run_task) from [] (nfs4_call_sync_sequence+0x58/0x78) [ 111.033648] [] (nfs4_call_sync_sequence) from [] (nfs4_proc_access+0xf4/0x12c) [ 111.042586] [] (nfs4_proc_access) from [] (nfs_do_access+0x230/0x3e8) [ 111.050716] [] (nfs_do_access) from [] (nfs_permission+0x2a0/0x2c0) [ 111.058694] [] (nfs_permission) from [] (link_path_walk+0x6c/0x508) [ 111.066658] [] (link_path_walk) from [] (path_lookupat+0x8c/0x1ec) [ 111.074541] [] (path_lookupat) from [] (path_openat+0x770/0x964) [ 111.082253] [] (path_openat) from [] (do_filp_open+0x60/0xc4) [ 111.089711] [] (do_filp_open) from [] (do_sys_open+0x114/0x1c4) [ 111.097339] [] (do_sys_open) from [] (ret_fast_syscall+0x0/0x28) [ 111.105036] udevadm D 0 259 1 0x00000000 [ 111.110482] [] (__schedule) from [] (schedule+0x4c/0xac) [ 111.117508] [] (schedule) from [] (rpc_wait_bit_killable+0x2c/0xf0) [ 111.125494] [] (rpc_wait_bit_killable) from [] (__wait_on_bit+0x80/0xb4) [ 111.133903] [] (__wait_on_bit) from [] (out_of_line_wait_on_bit+0x8c/0x94) [ 111.142482] [] (out_of_line_wait_on_bit) from [] (__rpc_execute+0x19c/0x274) [ 111.151236] [] (__rpc_execute) from [] (rpc_run_task+0x134/0x14c) [ 111.159028] [] (rpc_run_task) from [] (nfs4_call_sync_sequence+0x58/0x78) [ 111.167523] [] (nfs4_call_sync_sequence) from [] (nfs4_proc_getattr+0xbc/0xe4) [ 111.176452] [] (nfs4_proc_getattr) from [] (__nfs_revalidate_inode+0x8c/0x130) [ 111.185378] [] (__nfs_revalidate_inode) from [] (nfs_permission+0x16c/0x2c0) [ 111.194132] [] (nfs_permission) from [] (link_path_walk+0x6c/0x508) [ 111.202096] [] (link_path_walk) from [] (path_lookupat+0x8c/0x1ec) [ 111.209980] [] (path_lookupat) from [] (filename_lookup+0x8c/0xe8) [ 111.217865] [] (filename_lookup) from [] (SyS_faccessat+0x9c/0x208) [ 111.225839] [] (SyS_faccessat) from [] (ret_fast_syscall+0x0/0x28) [*** ] (3 of 4) A start job is running for…l-home.device (1min 2s / 1min 30s) ################## Another blocked (after few seconds): [ 125.364311] sysrq: SysRq : Show Blocked State [ 125.367292] task PC stack pid father [ 125.372688] udevadm D 0 259 1 0x00000000 [ 125.377998] [] (__schedule) from [] (schedule+0x4c/0xac) [ 125.384990] [] (schedule) from [] (rpc_wait_bit_killable+0x2c/0xf0) [ 125.392961] [] (rpc_wait_bit_killable) from [] (__wait_on_bit+0x80/0xb4) [ 125.401365] [] (__wait_on_bit) from [] (out_of_line_wait_on_bit+0x8c/0x94) [ 125.409944] [] (out_of_line_wait_on_bit) from [] (__rpc_execute+0x19c/0x274) [ 125.418711] [] (__rpc_execute) from [] (rpc_run_task+0x134/0x14c) [ 125.426505] [] (rpc_run_task) from [] (nfs4_call_sync_sequence+0x58/0x78) [ 125.434989] [] (nfs4_call_sync_sequence) from [] (nfs4_proc_lookup_common+0x100/0x354) [ 125.444608] [] (nfs4_proc_lookup_common) from [] (nfs4_proc_lookup+0x3c/0x88) [ 125.453456] [] (nfs4_proc_lookup) from [] (nfs_lookup_revalidate+0x224/0x35c) [ 125.462294] [] (nfs_lookup_revalidate) from [] (lookup_fast+0x294/0x478) [ 125.470689] [] (lookup_fast) from [] (walk_component+0x2c/0x2e0) [ 125.478395] [] (walk_component) from [] (link_path_walk+0x19c/0x508) [ 125.486455] [] (link_path_walk) from [] (path_lookupat+0x8c/0x1ec) [ 125.494342] [] (path_lookupat) from [] (filename_lookup+0x8c/0xe8) [ 125.502226] [] (filename_lookup) from [] (SyS_readlinkat+0x44/0xec) [ 125.510208] [] (SyS_readlinkat) from [] (ret_fast_syscall+0x0/0x28) [ **] (3 of 4) A start job is running for…-home.device (1min 20s / 1min 30s) ################## Another blocked (after few seconds): [ **] (3 of 4) A start job is running for…-home.device (1min 26s / 1min 30s)[ 136.281417] sysrq: SysRq : Show Blocked State [ 136.284403] task PC stack pid father [ 136.289818] udevadm D 0 259 1 0x00000000 [ 136.295116] [] (__schedule) from [] (schedule+0x4c/0xac) [ 136.302105] [] (schedule) from [] (rpc_wait_bit_killable+0x2c/0xf0) [ 136.310079] [] (rpc_wait_bit_killable) from [] (__wait_on_bit+0x80/0xb4) [ 136.318484] [] (__wait_on_bit) from [] (out_of_line_wait_on_bit+0x8c/0x94) [ 136.327064] [] (out_of_line_wait_on_bit) from [] (__rpc_execute+0x19c/0x274) [ 136.335830] [] (__rpc_execute) from [] (rpc_run_task+0x134/0x14c) [ 136.343625] [] (rpc_run_task) from [] (nfs4_call_sync_sequence+0x58/0x78) [ 136.352110] [] (nfs4_call_sync_sequence) from [] (nfs4_proc_lookup_common+0x100/0x354) [ 136.361729] [] (nfs4_proc_lookup_common) from [] (nfs4_proc_lookup+0x3c/0x88) [ 136.370576] [] (nfs4_proc_lookup) from [] (nfs_lookup_revalidate+0x224/0x35c) [ 136.379416] [] (nfs_lookup_revalidate) from [] (lookup_fast+0x294/0x478) [ 136.387809] [] (lookup_fast) from [] (walk_component+0x2c/0x2e0) [ 136.395514] [] (walk_component) from [] (link_path_walk+0x19c/0x508) [ 136.403575] [] (link_path_walk) from [] (path_openat+0x68/0x964) [ 136.411285] [] (path_openat) from [] (do_filp_open+0x60/0xc4) [ 136.418743] [] (do_filp_open) from [] (do_sys_open+0x114/0x1c4) [ 136.426372] [] (do_sys_open) from [] (ret_fast_syscall+0x0/0x28) ################## And list of all CPU backtraces (l): *** break sent *** [ 87.197309] sysrq: SysRq : Show backtrace of all active CPUs [ 87.201610] NMI backtrace for cpu 0 [ 87.205044] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.213297] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.219399] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.227098] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.234280] [] (dump_stack) from [] (nmi_cpu_backtrace+0x10c/0x110) [ 87.242251] [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0x108/0x150) [ 87.251884] [] (nmi_trigger_cpumask_backtrace) from [] (__handle_sysrq+0x170/0x264) [ 87.261237] [] (__handle_sysrq) from [] (s3c24xx_serial_rx_drain_fifo+0x1ec/0x214) [ 87.270506] [] (s3c24xx_serial_rx_drain_fifo) from [] (s3c24xx_serial_rx_chars+0x6c/0x1a0) [ 87.280473] [] (s3c24xx_serial_rx_chars) from [] (s3c64xx_serial_handle_irq+0x48/0x60) [ 87.290104] [] (s3c64xx_serial_handle_irq) from [] (__handle_irq_event_percpu+0x9c/0x128) [ 87.299975] [] (__handle_irq_event_percpu) from [] (handle_irq_event_percpu+0x1c/0x58) [ 87.309589] [] (handle_irq_event_percpu) from [] (handle_irq_event+0x38/0x5c) [ 87.318425] [] (handle_irq_event) from [] (handle_fasteoi_irq+0xb8/0x174) [ 87.326914] [] (handle_fasteoi_irq) from [] (generic_handle_irq+0x24/0x34) [ 87.335492] [] (generic_handle_irq) from [] (__handle_domain_irq+0x7c/0xec) [ 87.344159] [] (__handle_domain_irq) from [] (gic_handle_irq+0x58/0x9c) [ 87.352473] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.359912] Exception stack(0xc0d01ee8 to 0xc0d01f30) [ 87.364927] 1ee0: c087cc70 c0d0bf80 00000000 00000000 eef6d3c0 00000000 [ 87.373094] 1f00: ed4e8000 00000102 cfe02400 c0d08db8 ed491880 c0d01f6c 00000001 c0d01f38 [ 87.381234] 1f20: c087cc70 c087cc74 60070013 ffffffff [ 87.386254] [] (__irq_svc) from [] (_raw_spin_unlock_irq+0x28/0x5c) [ 87.394252] [] (_raw_spin_unlock_irq) from [] (finish_task_switch+0xa0/0x1b0) [ 87.403097] [] (finish_task_switch) from [] (__schedule+0x238/0x65c) [ 87.411140] [] (__schedule) from [] (schedule_idle+0x38/0x78) [ 87.418591] [] (schedule_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.426658] [] (cpu_startup_entry) from [] (start_kernel+0x39c/0x3a8) [ 87.434792] Sending NMI from CPU 0 to CPUs 1-7: [ 87.439278] NMI backtrace for cpu 3 [ 87.439294] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.439300] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.439322] PC is at arch_cpu_idle+0x24/0x3c [ 87.439333] LR is at arch_cpu_idle+0x20/0x3c [ 87.439341] pc : [] lr : [] psr: 60000013 [ 87.439348] sp : ee8d5fb8 ip : 00000001 fp : c0afe104 [ 87.439354] r10: 00000000 r9 : 00000000 r8 : c0c65730 [ 87.439363] r7 : 00000008 r6 : c0d08c8c r5 : c0d08c20 r4 : ee8d4000 [ 87.439370] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c01093d4 [ 87.439381] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 87.439389] Control: 10c5387d Table: 6cd4806a DAC: 00000051 [ 87.439399] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.439405] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.439425] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.439442] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.439460] [] (dump_stack) from [] (nmi_cpu_backtrace+0xb0/0x110) [ 87.439476] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xd8/0x1b0) [ 87.439492] [] (handle_IPI) from [] (gic_handle_irq+0x98/0x9c) [ 87.439506] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.439514] Exception stack(0xee8d5f68 to 0xee8d5fb0) [ 87.439527] 5f60: c01093d4 00000000 00000000 00000000 ee8d4000 c0d08c20 [ 87.439542] 5f80: c0d08c8c 00000008 c0c65730 00000000 00000000 c0afe104 00000001 ee8d5fb8 [ 87.439552] 5fa0: c01093d4 c01093d8 60000013 ffffffff [ 87.439569] [] (__irq_svc) from [] (arch_cpu_idle+0x24/0x3c) [ 87.439586] [] (arch_cpu_idle) from [] (do_idle+0x190/0x230) [ 87.439600] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.439615] [] (cpu_startup_entry) from [<4010192c>] (0x4010192c) [ 87.439626] NMI backtrace for cpu 1 [ 87.439641] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.439647] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.439659] PC is at arch_cpu_idle+0x24/0x3c [ 87.439669] LR is at arch_cpu_idle+0x20/0x3c [ 87.439677] pc : [] lr : [] psr: 600d0013 [ 87.439684] sp : ee8d1fb8 ip : 00000001 fp : c0afe104 [ 87.439691] r10: 00000000 r9 : 00000000 r8 : c0c65730 [ 87.439699] r7 : 00000002 r6 : c0d08c8c r5 : c0d08c20 r4 : ee8d0000 [ 87.439707] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c01093d4 [ 87.439715] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 87.439723] Control: 10c5387d Table: 6cd4806a DAC: 00000051 [ 87.439733] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.439738] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.439758] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.439775] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.439793] [] (dump_stack) from [] (nmi_cpu_backtrace+0xb0/0x110) [ 87.439808] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xd8/0x1b0) [ 87.439824] [] (handle_IPI) from [] (gic_handle_irq+0x98/0x9c) [ 87.439838] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.439845] Exception stack(0xee8d1f68 to 0xee8d1fb0) [ 87.439859] 1f60: c01093d4 00000000 00000000 00000000 ee8d0000 c0d08c20 [ 87.439873] 1f80: c0d08c8c 00000002 c0c65730 00000000 00000000 c0afe104 00000001 ee8d1fb8 [ 87.439884] 1fa0: c01093d4 c01093d8 600d0013 ffffffff [ 87.439901] [] (__irq_svc) from [] (arch_cpu_idle+0x24/0x3c) [ 87.439917] [] (arch_cpu_idle) from [] (do_idle+0x190/0x230) [ 87.439931] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.439944] [] (cpu_startup_entry) from [<4010192c>] (0x4010192c) [ 87.439955] NMI backtrace for cpu 2 [ 87.439968] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.439979] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.439993] PC is at arch_cpu_idle+0x24/0x3c [ 87.440003] LR is at arch_cpu_idle+0x20/0x3c [ 87.440011] pc : [] lr : [] psr: 60070013 [ 87.440019] sp : ee8d3fb8 ip : 00000001 fp : c0afe104 [ 87.440027] r10: 00000000 r9 : 00000000 r8 : c0c65730 [ 87.440036] r7 : 00000004 r6 : c0d08c8c r5 : c0d08c20 r4 : ee8d2000 [ 87.440044] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c01093d4 [ 87.440054] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 87.440064] Control: 10c5387d Table: 6cd3006a DAC: 00000051 [ 87.440076] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.440082] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.440102] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.440118] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.440135] [] (dump_stack) from [] (nmi_cpu_backtrace+0xb0/0x110) [ 87.440153] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xd8/0x1b0) [ 87.440169] [] (handle_IPI) from [] (gic_handle_irq+0x98/0x9c) [ 87.440184] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.440192] Exception stack(0xee8d3f68 to 0xee8d3fb0) [ 87.440206] 3f60: c01093d4 00000000 00000000 00000000 ee8d2000 c0d08c20 [ 87.440221] 3f80: c0d08c8c 00000004 c0c65730 00000000 00000000 c0afe104 00000001 ee8d3fb8 [ 87.440233] 3fa0: c01093d4 c01093d8 60070013 ffffffff [ 87.440251] [] (__irq_svc) from [] (arch_cpu_idle+0x24/0x3c) [ 87.440269] [] (arch_cpu_idle) from [] (do_idle+0x190/0x230) [ 87.440285] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.440299] [] (cpu_startup_entry) from [<4010192c>] (0x4010192c) [ 87.440323] NMI backtrace for cpu 4 [ 87.440359] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.440375] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.440422] PC is at arch_cpu_idle+0x24/0x3c [ 87.440450] LR is at arch_cpu_idle+0x20/0x3c [ 87.440469] pc : [] lr : [] psr: 600d0013 [ 87.440487] sp : ee8d7fb8 ip : 00000001 fp : c0afe104 [ 87.440504] r10: 00000000 r9 : 00000000 r8 : c0c65730 [ 87.440523] r7 : 00000010 r6 : c0d08c8c r5 : c0d08c20 r4 : ee8d6000 [ 87.440541] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c01093d4 [ 87.440565] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 87.440586] Control: 10c5387d Table: 6cd5006a DAC: 00000051 [ 87.440615] CPU: 4 PID: 0 Comm: swapper/4 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.440629] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.440690] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.440736] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.440782] [] (dump_stack) from [] (nmi_cpu_backtrace+0xb0/0x110) [ 87.440822] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xd8/0x1b0) [ 87.440859] [] (handle_IPI) from [] (gic_handle_irq+0x98/0x9c) [ 87.440891] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.440908] Exception stack(0xee8d7f68 to 0xee8d7fb0) [ 87.440944] 7f60: c01093d4 00000000 00000000 00000000 ee8d6000 c0d08c20 [ 87.440979] 7f80: c0d08c8c 00000010 c0c65730 00000000 00000000 c0afe104 00000001 ee8d7fb8 [ 87.441003] 7fa0: c01093d4 c01093d8 600d0013 ffffffff [ 87.441048] [] (__irq_svc) from [] (arch_cpu_idle+0x24/0x3c) [ 87.441089] [] (arch_cpu_idle) from [] (do_idle+0x190/0x230) [ 87.441124] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.441155] [] (cpu_startup_entry) from [<4010192c>] (0x4010192c) [ 87.441181] NMI backtrace for cpu 5 [ 87.441216] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.441232] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.441269] PC is at arch_cpu_idle+0x24/0x3c [ 87.441298] LR is at arch_cpu_idle+0x20/0x3c [ 87.441318] pc : [] lr : [] psr: 60010113 [ 87.441336] sp : ee8e1fb8 ip : 00000001 fp : c0afe104 [ 87.441352] r10: 00000000 r9 : 00000000 r8 : c0c65730 [ 87.441372] r7 : 00000020 r6 : c0d08c8c r5 : c0d08c20 r4 : ee8e0000 [ 87.441389] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c01093d4 [ 87.441412] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 87.441433] Control: 10c5387d Table: 6ccd406a DAC: 00000051 [ 87.441461] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.441476] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.441528] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.441574] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.441619] [] (dump_stack) from [] (nmi_cpu_backtrace+0xb0/0x110) [ 87.441659] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xd8/0x1b0) [ 87.441694] [] (handle_IPI) from [] (gic_handle_irq+0x98/0x9c) [ 87.441727] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.441745] Exception stack(0xee8e1f68 to 0xee8e1fb0) [ 87.441780] 1f60: c01093d4 00000000 00000000 00000000 ee8e0000 c0d08c20 [ 87.441815] 1f80: c0d08c8c 00000020 c0c65730 00000000 00000000 c0afe104 00000001 ee8e1fb8 [ 87.441839] 1fa0: c01093d4 c01093d8 60010113 ffffffff [ 87.441884] [] (__irq_svc) from [] (arch_cpu_idle+0x24/0x3c) [ 87.441925] [] (arch_cpu_idle) from [] (do_idle+0x190/0x230) [ 87.441959] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.441992] [] (cpu_startup_entry) from [<4010192c>] (0x4010192c) [ 87.442017] NMI backtrace for cpu 6 [ 87.442051] CPU: 6 PID: 0 Comm: swapper/6 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.442067] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.442103] PC is at arch_cpu_idle+0x24/0x3c [ 87.442132] LR is at arch_cpu_idle+0x20/0x3c [ 87.442152] pc : [] lr : [] psr: 60010013 [ 87.442169] sp : ee8e3fb8 ip : 00000001 fp : c0afe104 [ 87.442185] r10: 00000000 r9 : 00000000 r8 : c0c65730 [ 87.442204] r7 : 00000040 r6 : c0d08c8c r5 : c0d08c20 r4 : ee8e2000 [ 87.442222] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c01093d4 [ 87.442244] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 87.442264] Control: 10c5387d Table: 6ccd006a DAC: 00000051 [ 87.442292] CPU: 6 PID: 0 Comm: swapper/6 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.442306] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.442359] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.442404] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.442448] [] (dump_stack) from [] (nmi_cpu_backtrace+0xb0/0x110) [ 87.442486] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xd8/0x1b0) [ 87.442522] [] (handle_IPI) from [] (gic_handle_irq+0x98/0x9c) [ 87.442555] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.442572] Exception stack(0xee8e3f68 to 0xee8e3fb0) [ 87.442605] 3f60: c01093d4 00000000 00000000 00000000 ee8e2000 c0d08c20 [ 87.442642] 3f80: c0d08c8c 00000040 c0c65730 00000000 00000000 c0afe104 00000001 ee8e3fb8 [ 87.442666] 3fa0: c01093d4 c01093d8 60010013 ffffffff [ 87.442708] [] (__irq_svc) from [] (arch_cpu_idle+0x24/0x3c) [ 87.442747] [] (arch_cpu_idle) from [] (do_idle+0x190/0x230) [ 87.442783] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.442814] [] (cpu_startup_entry) from [<4010192c>] (0x4010192c) [ 87.442839] NMI backtrace for cpu 7 [ 87.442873] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.442888] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.442925] PC is at arch_cpu_idle+0x24/0x3c [ 87.442954] LR is at arch_cpu_idle+0x20/0x3c [ 87.442973] pc : [] lr : [] psr: 60000013 [ 87.442990] sp : ee8e5fb8 ip : 00000001 fp : c0afe104 [ 87.443007] r10: 00000000 r9 : 00000000 r8 : c0c65730 [ 87.443025] r7 : 00000080 r6 : c0d08c8c r5 : c0d08c20 r4 : ee8e4000 [ 87.443043] r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c01093d4 [ 87.443065] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 87.443086] Control: 10c5387d Table: 6ccb006a DAC: 00000051 [ 87.443113] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 4.15.0-rc3-00022-g3da7bcdd695b #1101 [ 87.443127] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 87.443179] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 87.443223] [] (show_stack) from [] (dump_stack+0x98/0xc4) [ 87.443265] [] (dump_stack) from [] (nmi_cpu_backtrace+0xb0/0x110) [ 87.443303] [] (nmi_cpu_backtrace) from [] (handle_IPI+0xd8/0x1b0) [ 87.443340] [] (handle_IPI) from [] (gic_handle_irq+0x98/0x9c) [ 87.443374] [] (gic_handle_irq) from [] (__irq_svc+0x70/0xb0) [ 87.443391] Exception stack(0xee8e5f68 to 0xee8e5fb0) [ 87.443424] 5f60: c01093d4 00000000 00000000 00000000 ee8e4000 c0d08c20 [ 87.443459] 5f80: c0d08c8c 00000080 c0c65730 00000000 00000000 c0afe104 00000001 ee8e5fb8 [ 87.443482] 5fa0: c01093d4 c01093d8 60000013 ffffffff [ 87.443527] [] (__irq_svc) from [] (arch_cpu_idle+0x24/0x3c) [ 87.443568] [] (arch_cpu_idle) from [] (do_idle+0x190/0x230) [ 87.443604] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c) [ 87.443634] [] (cpu_startup_entry) from [<4010192c>] (0x4010192c) [ 89.892591] systemd-journald[225]: Received request to flush runtime journal from PID 1 [ 90.289569] systemd-journald[225]: File /var/log/journal/7a4e9999283c4067874e93fe7b5d73eb/system.journal corrupted or uncleanly shut down Best regards, Krzysztof