Sorry very short after that even more traces show up: So currently it seems we can't test with 5.3-rc8 or 5.2.14 - what's next? watchdog: BUG: soft lockup - CPU#7 stuck for 23s! [authscanclient:812] Modules linked in: btrfs dm_mod netconsole xt_tcpudp xt_owner xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 fuse xt_multiport ipt_REJECT nf_reject_ipv4 xt_set iptable_filter bpfilter ip_set_hash_net ip_set nfnetlink 8021q garp bonding sb_edac x86_pkg_temp_thermal coretemp kvm_intel ast ttm kvm drm_kms_helper irqbypass drm crc32_pclmul fb_sys_fops lpc_ich ipmi_si syscopyarea sysfillrect ipmi_devintf mfd_core ghash_clmulni_intel wmi sysimgblt sg ipmi_msghandler button ip_tables x_tables zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor usbhid raid6_pq raid1 raid0 multipath linear md_mod xhci_pci sd_mod ehci_pci xhci_hcd ehci_hcd igb i2c_i801 i2c_algo_bit ahci usbcore ptp libahci i2c_core usb_common pps_core megaraid_sas [last unloaded: btrfs] CPU: 7 PID: 812 Comm: authscanclient Tainted: G W 5.2.14 #1 watchdog: BUG: soft lockup - CPU#11 stuck for 23s! [authscanclient:813] Hardware name: Supermicro Super Server/X10SRi-F, BIOS 1.0b 04/21/2015 Modules linked in: btrfs dm_mod netconsole xt_tcpudp xt_owner xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 fuse xt_multiport ipt_REJECT nf_reject_ipv4 xt_set iptable_filter bpfilter ip_set_hash_net ip_set nfnetlink 8021q garp bonding sb_edac x86_pkg_temp_thermal coretemp kvm_intel ast ttm kvm drm_kms_helper irqbypass drm crc32_pclmul fb_sys_fops lpc_ich ipmi_si syscopyarea sysfillrect ipmi_devintf mfd_core ghash_clmulni_intel wmi sysimgblt sg ipmi_msghandler button ip_tables x_tables zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor usbhid raid6_pq raid1 raid0 multipath linear md_mod xhci_pci sd_mod ehci_pci xhci_hcd ehci_hcd igb i2c_i801 i2c_algo_bit ahci usbcore ptp libahci i2c_core usb_common pps_core megaraid_sas [last unloaded: btrfs] RIP: 0010:find_next_bit+0x1c/0x60 CPU: 11 PID: 813 Comm: authscanclient Tainted: G W 5.2.14 #1 Code: 8d 04 0a c3 f3 c3 0f 1f 84 00 00 00 00 00 48 39 d6 48 89 f0 48 89 d1 76 4e 48 89 d6 48 c7 c2 ff ff ff ff 48 c1 ee 06 48 d3 e2 <48> 83 e1 c0 48 23 14 f7 75 24 48 83 c1 40 48 39 c8 77 0b eb 2a 48 Hardware name: Supermicro Super Server/X10SRi-F, BIOS 1.0b 04/21/2015 RIP: 0010:cpumask_next+0x12/0x20 RSP: 0000:ffffbea7c770b608 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13 Code: 48 01 f8 80 38 22 75 97 eb d4 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 f0 8b 35 4b 82 b6 00 8d 57 01 48 89 c7 48 63 d2 <e8> d9 33 c6 ff f3 c3 0f 1f 80 00 00 00 00 55 53 89 f3 8b 35 2a 82 RAX: 000000000000000c RBX: 0000000000000004 RCX: 0000000000000002 RDX: fffffffffffffffc RSI: 0000000000000000 RDI: ffffffffbe3e5e40 RSP: 0000:ffffbea7c727f620 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RBP: ffff96f9edc8cc00 R08: 0000000000000000 R09: ffff96eac78049b8 R10: ffffbea7c770b750 R11: ffffffffbe2bd8d8 R12: 0000000000000010 RAX: ffffffffbe3e5e40 RBX: ffff96f9edc8cc00 RCX: 0000000000000007 RDX: 0000000000000008 RSI: 000000000000000c RDI: ffffffffbe3e5e40 R13: ffffffffbe3e5e40 R14: 0000000000000002 R15: ffffffffffffffa0 FS: 00007f3ab8edd700(0000) GS:ffff96f9ff9c0000(0000) knlGS:0000000000000000 RBP: ffffffffbe3e5e40 R08: ffff96eac7804920 R09: ffff96eac78049b8 R10: 0000000000000000 R11: ffffffffbe2bd8d8 R12: 0000000000000018 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3abbf66f20 CR3: 0000000fe60a6001 CR4: 00000000001606e0 R13: 0000000000000003 R14: 0000000000008e4b R15: fffffffffffffff6 FS: 00007f3aabfff700(0000) GS:ffff96f9ffac0000(0000) knlGS:0000000000000000 Call Trace: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3abbf66fd0 CR3: 0000000fe60a6004 CR4: 00000000001606e0 cpumask_next+0x17/0x20 Call Trace: lruvec_lru_size+0x5c/0x110 count_shadow_nodes+0xac/0x220 shrink_node_memcg+0xd7/0x7d0 do_shrink_slab+0x55/0x2d0 ? shrink_slab+0x2a3/0x2b0 shrink_slab+0x219/0x2b0 ? shrink_node+0xe0/0x4b0 shrink_node+0xf6/0x4b0 shrink_node+0xe0/0x4b0 do_try_to_free_pages+0xeb/0x380 do_try_to_free_pages+0xeb/0x380 try_to_free_mem_cgroup_pages+0xe6/0x1e0 try_to_free_mem_cgroup_pages+0xe6/0x1e0 try_charge+0x295/0x780 try_charge+0x295/0x780 ? shrink_slab+0x2a3/0x2b0 ? mem_cgroup_commit_charge+0x79/0x4a0 mem_cgroup_try_charge+0xc2/0x190 mem_cgroup_try_charge+0xc2/0x190 __add_to_page_cache_locked+0x282/0x330 __add_to_page_cache_locked+0x282/0x330 ? count_shadow_nodes+0x220/0x220 ? count_shadow_nodes+0x220/0x220 add_to_page_cache_lru+0x4a/0xc0 add_to_page_cache_lru+0x4a/0xc0 iomap_readpages_actor+0x103/0x220 iomap_readpages_actor+0x103/0x220 ? iomap_write_begin.constprop.45+0x370/0x370 ? iomap_write_begin.constprop.45+0x370/0x370 iomap_apply+0xba/0x150 ? iomap_write_begin.constprop.45+0x370/0x370 iomap_apply+0xba/0x150 iomap_readpages+0xaa/0x1a0 ? iomap_write_begin.constprop.45+0x370/0x370 ? iomap_write_begin.constprop.45+0x370/0x370 iomap_readpages+0xaa/0x1a0 ? iomap_write_begin.constprop.45+0x370/0x370 read_pages+0x71/0x1a0 read_pages+0x71/0x1a0 ? 0xffffffffbd000000 ? __do_page_cache_readahead+0x1cc/0x1e0 ? __do_page_cache_readahead+0x1a8/0x1e0 __do_page_cache_readahead+0x1cc/0x1e0 __do_page_cache_readahead+0x1a8/0x1e0 filemap_fault+0x6fc/0x960 filemap_fault+0x6fc/0x960 ? __mod_lruvec_state+0x3f/0xe0 ? schedule+0x39/0xa0 ? page_add_file_rmap+0xd1/0x160 ? __mod_lruvec_state+0x3f/0xe0 ? alloc_set_pte+0x4f8/0x5c0 __xfs_filemap_fault.constprop.13+0x49/0x120 ? page_add_file_rmap+0xd1/0x160 __do_fault+0x3c/0x110 ? alloc_set_pte+0x4f8/0x5c0 __handle_mm_fault+0xa7c/0xfb0 __xfs_filemap_fault.constprop.13+0x49/0x120 handle_mm_fault+0xd0/0x1d0 __do_fault+0x3c/0x110 __do_page_fault+0x253/0x470 __handle_mm_fault+0xa7c/0xfb0 do_page_fault+0x2c/0x106 handle_mm_fault+0xd0/0x1d0 ? page_fault+0x8/0x30 __do_page_fault+0x253/0x470 page_fault+0x1e/0x30 do_page_fault+0x2c/0x106 RIP: 0033:0x7f3abbf66f20 ? page_fault+0x8/0x30 Code: 68 38 00 00 00 e9 60 fc ff ff ff 25 da 72 20 00 68 39 00 00 00 e9 50 fc ff ff ff 25 d2 72 20 00 68 3a 00 00 00 e9 40 fc ff ff <ff> 25 ca 72 20 00 68 3b 00 00 00 e9 30 fc ff ff ff 25 c2 72 20 00 page_fault+0x1e/0x30 RSP: 002b:00007f3ab8edcb58 EFLAGS: 00010246 RIP: 0033:0x7f3abbf66fd0 RAX: 0000000000000001 RBX: 000055f087797ae0 RCX: 0000000000000010 RDX: 000000002090000c RSI: 0000000000000050 RDI: 000055f087797ae0 Code: 68 43 00 00 00 e9 b0 fb ff ff ff 25 82 72 20 00 68 44 00 00 00 e9 a0 fb ff ff ff 25 7a 72 20 00 68 45 00 00 00 e9 90 fb ff ff <ff> 25 72 72 20 00 68 46 00 00 00 e9 80 fb ff ff ff 25 6a 72 20 00 RBP: 000055f0873a69d0 R08: 0000000000000602 R09: 000055f0876daee0 R10: 000055f087034980 R11: 00000000e24313e9 R12: 000055f08779e558 RSP: 002b:00007f3aabffea68 EFLAGS: 00010287 R13: 000055f08779e558 R14: 000055f0873a69d0 R15: 000055f08779e550 RAX: 000055f087b75190 RBX: 00007f3abc16e2c0 RCX: 0000000000000012 RDX: 0000000000000002 RSI: 00007f3abc16e2c0 RDI: 00007f3abc16e2c0 RBP: 000055f08777a9f0 R08: 000000000000000f R09: 0000000000000003 R10: 000000000000000b R11: 0000000000000000 R12: 000055f08777a9f0 R13: 000055f085e5b5b8 R14: 000055f087b79240 R15: 0000000000000000 igb 0000:05:00.1 eth1: Reset adapter igb 0000:05:00.1 eth1: igb: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None watchdog: BUG: soft lockup - CPU#7 stuck for 23s! [authscanclient:812] Modules linked in: btrfs dm_mod netconsole xt_tcpudp xt_owner xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 fuse xt_multiport ipt_REJECT nf_reject_ipv4 xt_set iptable_filter bpfilter ip_set_hash_net ip_set nfnetlink 8021q garp bonding sb_edac x86_pkg_temp_thermal coretemp kvm_intel ast ttm kvm drm_kms_helper irqbypass drm crc32_pclmul fb_sys_fops lpc_ich ipmi_si syscopyarea sysfillrect ipmi_devintf mfd_core ghash_clmulni_intel wmi sysimgblt sg ipmi_msghandler button ip_tables x_tables zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor usbhid raid6_pq raid1 raid0 multipath linear md_mod xhci_pci sd_mod ehci_pci xhci_hcd ehci_hcd igb i2c_i801 i2c_algo_bit ahci usbcore ptp libahci i2c_core usb_common pps_core megaraid_sas [last unloaded: btrfs] CPU: 7 PID: 812 Comm: authscanclient Tainted: G W L 5.2.14 #1 watchdog: BUG: soft lockup - CPU#11 stuck for 23s! [authscanclient:813] Hardware name: Supermicro Super Server/X10SRi-F, BIOS 1.0b 04/21/2015 Modules linked in: btrfs dm_mod netconsole xt_tcpudp xt_owner xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 fuse xt_multiport ipt_REJECT nf_reject_ipv4 xt_set iptable_filter bpfilter ip_set_hash_net ip_set nfnetlink 8021q garp bonding sb_edac x86_pkg_temp_thermal coretemp kvm_intel ast ttm kvm drm_kms_helper irqbypass drm crc32_pclmul fb_sys_fops lpc_ich ipmi_si syscopyarea sysfillrect ipmi_devintf mfd_core ghash_clmulni_intel wmi sysimgblt sg ipmi_msghandler button ip_tables x_tables zstd_decompress zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor usbhid raid6_pq raid1 raid0 multipath linear md_mod xhci_pci sd_mod ehci_pci xhci_hcd ehci_hcd igb i2c_i801 i2c_algo_bit ahci usbcore ptp libahci i2c_core usb_common pps_core megaraid_sas [last unloaded: btrfs] RIP: 0010:cpumask_next+0x0/0x20 CPU: 11 PID: 813 Comm: authscanclient Tainted: G W L 5.2.14 #1 Code: 83 c7 01 e9 24 ff ff ff 48 83 c0 01 48 89 02 44 89 d0 48 01 f8 80 38 22 75 97 eb d4 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 89 f0 8b 35 4b 82 b6 00 8d 57 01 48 89 c7 48 63 d2 e8 d9 33 c6 Hardware name: Supermicro Super Server/X10SRi-F, BIOS 1.0b 04/21/2015 RIP: 0010:cpumask_next+0x12/0x20 RSP: 0000:ffffbea7c770b610 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 Code: 48 01 f8 80 38 22 75 97 eb d4 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 f0 8b 35 4b 82 b6 00 8d 57 01 48 89 c7 48 63 d2 <e8> d9 33 c6 ff f3 c3 0f 1f 80 00 00 00 00 55 53 89 f3 8b 35 2a 82 RAX: 0000000000000002 RBX: 0000000000000004 RCX: ffff96f9ff880000 RDX: 000047adbfe07c58 RSI: ffffffffbe3e5e40 RDI: 0000000000000002 RSP: 0000:ffffbea7c727f620 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RBP: ffff96f9edc8cc00 R08: 0000000000000000 R09: ffff96eac78049b8 R10: ffffbea7c770b750 R11: ffffffffbe2bd8d8 R12: 0000000000000018 RAX: ffffffffbe3e5e40 RBX: ffff96f9edc8cc00 RCX: 0000000000000009 RDX: 000000000000000a RSI: 000000000000000c RDI: ffffffffbe3e5e40 R13: ffffffffbe3e5e40 R14: 0000000000000003 R15: ffffffffffffffc1 FS: 00007f3ab8edd700(0000) GS:ffff96f9ff9c0000(0000) knlGS:0000000000000000 RBP: ffffffffbe3e5e40 R08: ffff96eac7804920 R09: ffff96eac78049b8 R10: 0000000000000000 R11: ffffffffbe2bd8d8 R12: 0000000000000020 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3abbf66f20 CR3: 0000000fe60a6001 CR4: 00000000001606e0 R13: 0000000000000004 R14: 0000000000008e4b R15: 0000000000000000 FS: 00007f3aabfff700(0000) GS:ffff96f9ffac0000(0000) knlGS:0000000000000000 Call Trace: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3abbf66fd0 CR3: 0000000fe60a6004 CR4: 00000000001606e0 lruvec_lru_size+0x5c/0x110 Call Trace: shrink_node_memcg+0xd7/0x7d0 count_shadow_nodes+0xac/0x220 ? shrink_slab+0x2a3/0x2b0 do_shrink_slab+0x55/0x2d0 ? shrink_node+0xe0/0x4b0 shrink_slab+0x219/0x2b0 shrink_node+0xe0/0x4b0 Stefan Am 12.09.19 um 12:53 schrieb Stefan Priebe - Profihost AG: > Hello Michal, > > now the kernel (5.2.14) was locked / deadlocked with: > --------------- > 019-09-12 12:41:47 ------------[ cut here ]------------ > 2019-09-12 12:41:47 NETDEV WATCHDOG: eth0 (igb): transmit queue 2 > timed out > 2019-09-12 12:41:47 WARNING: CPU: 2 PID: 0 at > net/sched/sch_generic.c:443 dev_watchdog+0x254/0x260 > 2019-09-12 12:41:47 Modules linked in: btrfs dm_mod netconsole > xt_tcpudp xt_owner xt_conntrack nf_conntrack nf_defrag_ipv6 > nf_defrag_ipv4 fuse xt_multiport ipt_REJECT nf_reject_ipv4 xt_set > iptable_filter bpfilter ip_set_hash_net ip_set nfnetlink 8021q garp > bonding sb_edac x86_pkg_temp_thermal coretemp kvm_intel ast ttm kvm > drm_kms_helper irqbypass drm crc32_pclmul fb_sys_fops lpc_ich ipmi_si > syscopyarea sysfillrect ipmi_devintf mfd_core ghash_clmulni_intel wmi > sysimgblt sg ipmi_msghandler button ip_tables x_tables zstd_decompress > zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq > async_xor async_tx xor usbhid raid6_pq raid1 raid0 multipath linear > md_mod xhci_pci sd_mod ehci_pci xhci_hcd ehci_hcd igb i2c_i801 > i2c_algo_bit ahci usbcore ptp libahci i2c_core usb_common pps_core > megaraid_sas [last unloaded: btrfs] > 2019-09-12 12:41:47 CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.2.14 #1 > 2019-09-12 12:41:47 Hardware name: Supermicro Super Server/X10SRi-F, > BIOS 1.0b 04/21/2015 > 2019-09-12 12:41:47 RIP: 0010:dev_watchdog+0x254/0x260 > 2019-09-12 12:41:47 Code: 48 85 c0 75 e4 eb 9d 4c 89 ef c6 05 a6 09 > c8 00 01 e8 b0 53 fb ff 89 d9 48 89 c2 4c 89 ee 48 c7 c7 10 d6 0c be e8 > ac ca 98 ff <0f> 0b e9 7c ff ff ff 0f 1f 44 00 00 0f 1f 44 00 00 41 57 > 41 56 49 > 2019-09-12 12:41:47 RSP: 0018:ffffbea7c63a0e68 EFLAGS: 00010282 > 2019-09-12 12:41:47 RAX: 0000000000000000 RBX: 0000000000000002 RCX: > 0000000000000006 > 2019-09-12 12:41:47 RDX: 0000000000000007 RSI: 0000000000000086 RDI: > ffff96f9ff896540 > 2019-09-12 12:41:47 RBP: ffff96f9fc18041c R08: 0000000000000001 R09: > 000000000000046f > 2019-09-12 12:41:47 R10: ffff96f9ff89a630 R11: 0000000000000000 R12: > ffff96f9f9e16940 > 2019-09-12 12:41:47 R13: ffff96f9fc180000 R14: ffff96f9fc180440 R15: > 0000000000000008 > 2019-09-12 12:41:47 FS: 0000000000000000(0000) > GS:ffff96f9ff880000(0000) knlGS:0000000000000000 > 2019-09-12 12:41:47 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > 2019-09-12 12:41:47 CR2: 00007fbb2c4e2000 CR3: 0000000c0d20a004 CR4: > 00000000001606e0 > 2019-09-12 12:41:47 Call Trace:<IRQ> > 2019-09-12 12:41:47 ? > pfifo_fast_reset+0x110/0x110call_timer_fn+0x2d/0x140run_timer_softirq+0x1e2/0x440 > 2019-09-12 12:41:47 ? timerqueue_add+0x54/0x80 > 2019-09-12 12:41:48 ? > enqueue_hrtimer+0x3a/0x90__do_softirq+0x10c/0x2d4irq_exit+0xdd/0xf0smp_apic_timer_interrupt+0x74/0x130apic_timer_interrupt+0xf/0x20</IRQ> > 2019-09-12 12:41:48 RIP: 0010:cpuidle_enter_state+0xbd/0x410 > 2019-09-12 12:41:48 Code: 24 0f 1f 44 00 00 31 ff e8 b0 67 a5 ff 80 > 7c 24 13 00 74 12 9c 58 f6 c4 02 0f 85 2c 03 00 00 31 ff e8 a7 b9 aa ff > fb 45 85 ed <0f> 88 e0 02 00 00 4c 8b 04 24 4c 2b 44 24 08 48 ba cf f7 > 53 e3 a5 > 2019-09-12 12:41:48 RSP: 0018:ffffbea7c62f7e60 EFLAGS: 00000202 > ORIG_RAX: ffffffffffffff13 > 2019-09-12 12:41:48 RAX: ffff96f9ff8a9840 RBX: ffffffffbe3271a0 RCX: > 000000000000001f > 2019-09-12 12:41:48 RDX: 000044a065c471eb RSI: 0000000024925419 RDI: > 0000000000000000 > 2019-09-12 12:41:48 RBP: ffffdea7bfa80f00 R08: 0000000000000002 R09: > 00000000000290c0 > 2019-09-12 12:41:48 R10: 00000000ffffffff R11: 0000000000000f05 R12: > 0000000000000004 > 2019-09-12 12:41:48 R13: 0000000000000004 R14: 0000000000000004 R15: > ffffffffbe3271a0cpuidle_enter+0x29/0x40do_idle+0x1d5/0x220cpu_startup_entry+0x19/0x20start_secondary+0x16b/0x1b0secondary_startup_64+0xa4/0xb0 > 2019-09-12 12:41:48 ---[ end trace 3241d99856ac4582 ]--- > 2019-09-12 12:41:48 igb 0000:05:00.0 eth0: Reset adapter > ------------------------------- > > Stefan > Am 11.09.19 um 15:59 schrieb Stefan Priebe - Profihost AG: >> HI, >> >> i've now tried v5.2.14 but that one died with - i don't know which >> version to try... now >> >> 2019-09-11 15:41:09 ------------[ cut here ]------------ >> 2019-09-11 15:41:09 kernel BUG at mm/page-writeback.c:2655! >> 2019-09-11 15:41:09 invalid opcode: 0000 [#1] SMP PTI >> 2019-09-11 15:41:09 CPU: 4 PID: 466 Comm: kworker/u24:6 Not tainted >> 5.2.14 #1 >> 2019-09-11 15:41:09 Hardware name: Supermicro Super Server/X10SRi-F, >> BIOS 1.0b 04/21/2015 >> 2019-09-11 15:41:09 Workqueue: btrfs-delalloc btrfs_delalloc_helper >> [btrfs] >> 2019-09-11 15:41:09 RIP: 0010:clear_page_dirty_for_io+0xfc/0x210 >> 2019-09-11 15:41:09 Code: 01 48 0f 44 d3 f0 48 0f ba 32 03 b8 00 00 >> 00 00 72 1a 4d 85 e4 0f 85 b4 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 >> 5e 41 5f c3 <0f> 0b 9c 41 5f fa 48 8b 03 48 8b 53 38 48 c1 e8 36 48 85 >> d2 48 8b >> 2019-09-11 15:41:09 RSP: 0018:ffffbd4b8d2f3c18 EFLAGS: 00010246 >> 2019-09-11 15:41:09 RAX: 001000000004205c RBX: ffffe660525b3140 RCX: >> 0000000000000000 >> 2019-09-11 15:41:09 RDX: 0000000000000000 RSI: 0000000000000006 RDI: >> ffffe660525b3140 >> 2019-09-11 15:41:09 RBP: ffff9ad639868818 R08: 0000000000000001 R09: >> 000000000002de18 >> 2019-09-11 15:41:09 R10: 0000000000000002 R11: ffff9ade7ffd6000 R12: >> 0000000000000000 >> 2019-09-11 15:41:09 R13: 0000000000000001 R14: 0000000000000000 R15: >> ffffbd4b8d2f3d08 >> 2019-09-11 15:41:09 FS: 0000000000000000(0000) >> GS:ffff9ade3f900000(0000) knlGS:0000000000000000 >> 2019-09-11 15:41:09 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> 2019-09-11 15:41:09 CR2: 000055fa10d2bf70 CR3: 00000005a420a002 CR4: >> 00000000001606e0 >> 2019-09-11 15:41:09 Call Trace: >> 2019-09-11 15:41:09 __process_pages_contig+0x270/0x360 [btrfs] >> 2019-09-11 15:41:09 submit_compressed_extents+0x39d/0x460 [btrfs] >> 2019-09-11 15:41:09 normal_work_helper+0x20f/0x320 >> [btrfs]process_one_work+0x18b/0x380worker_thread+0x4f/0x3a0 >> 2019-09-11 15:41:09 ? rescuer_thread+0x330/0x330kthread+0xf8/0x130 >> 2019-09-11 15:41:09 ? >> kthread_create_worker_on_cpu+0x70/0x70ret_from_fork+0x35/0x40 >> 2019-09-11 15:41:09 Modules linked in: netconsole xt_tcpudp xt_owner >> xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_multiport >> ipt_REJECT nf_reject_ipv4 xt_set iptable_filter bpfilter fuse >> ip_set_hash_net ip_set nfnetlink 8021q garp bonding sb_edac >> x86_pkg_temp_thermal coretemp kvm_intel ast kvm ttm drm_kms_helper >> irqbypass crc32_pclmul drm fb_sys_fops syscopyarea lpc_ich sysfillrect >> ghash_clmulni_intel sysimgblt mfd_core sg wmi ipmi_si ipmi_devintf >> ipmi_msghandler button ip_tables x_tables btrfs zstd_decompress >> zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq >> async_xor async_tx xor usbhid raid6_pq raid1 raid0 multipath linear >> md_mod sd_mod xhci_pci ehci_pci igb xhci_hcd ehci_hcd i2c_algo_bit >> i2c_i801 ahci ptp i2c_core usbcore libahci usb_common pps_core megaraid_sas >> 2019-09-11 15:41:09 ---[ end trace d9a3f99c047dc8bf ]--- >> 2019-09-11 15:41:10 RIP: 0010:clear_page_dirty_for_io+0xfc/0x210 >> 2019-09-11 15:41:10 Code: 01 48 0f 44 d3 f0 48 0f ba 32 03 b8 00 00 >> 00 00 72 1a 4d 85 e4 0f 85 b4 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 >> 5e 41 5f c3 <0f> 0b 9c 41 5f fa 48 8b 03 48 8b 53 38 48 c1 e8 36 48 85 >> d2 48 8b >> 2019-09-11 15:41:10 RSP: 0018:ffffbd4b8d2f3c18 EFLAGS: 00010246 >> 2019-09-11 15:41:10 RAX: 001000000004205c RBX: ffffe660525b3140 RCX: >> 0000000000000000 >> 2019-09-11 15:41:10 RDX: 0000000000000000 RSI: 0000000000000006 RDI: >> ffffe660525b3140 >> 2019-09-11 15:41:10 RBP: ffff9ad639868818 R08: 0000000000000001 R09: >> 000000000002de18 >> 2019-09-11 15:41:10 R10: 0000000000000002 R11: ffff9ade7ffd6000 R12: >> 0000000000000000 >> 2019-09-11 15:41:10 R13: 0000000000000001 R14: 0000000000000000 R15: >> ffffbd4b8d2f3d08 >> 2019-09-11 15:41:10 FS: 0000000000000000(0000) >> GS:ffff9ade3f900000(0000) knlGS:0000000000000000 >> 2019-09-11 15:41:10 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> 2019-09-11 15:41:10 CR2: 000055fa10d2bf70 CR3: 00000005a420a002 CR4: >> 00000000001606e0 >> 2019-09-11 15:41:10 Kernel panic - not syncing: Fatal exception >> 2019-09-11 15:41:10 Kernel Offset: 0x1a000000 from >> 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) >> 2019-09-11 15:41:10 Rebooting in 20 seconds.. >> 2019-09-11 15:41:29 ACPI MEMORY or I/O RESET_REG. >> >> Stefan >> Am 11.09.19 um 08:24 schrieb Stefan Priebe - Profihost AG: >>> Hi Michal, >>> >>> Am 11.09.19 um 08:12 schrieb Stefan Priebe - Profihost AG: >>>> Hi Michal, >>>> Am 10.09.19 um 15:24 schrieb Michal Hocko: >>>>> On Tue 10-09-19 15:14:45, Stefan Priebe - Profihost AG wrote: >>>>>> Am 10.09.19 um 15:05 schrieb Stefan Priebe - Profihost AG: >>>>>>> >>>>>>> Am 10.09.19 um 14:57 schrieb Michal Hocko: >>>>>>>> On Tue 10-09-19 14:45:37, Stefan Priebe - Profihost AG wrote: >>>>>>>>> Hello Michal, >>>>>>>>> >>>>>>>>> ok this might take a long time. Attached you'll find a graph from a >>>>>>>>> fresh boot what happens over time (here 17 August to 30 August). Memory >>>>>>>>> Usage decreases as well as cache but slowly and only over time and days. >>>>>>>>> >>>>>>>>> So it might take 2-3 weeks running Kernel 5.3 to see what happens. >>>>>>>> >>>>>>>> No problem. Just make sure to collect the requested data from the time >>>>>>>> you see the actual problem. Btw. you try my very dumb scriplets to get >>>>>>>> an idea of how much memory gets reclaimed due to THP. >>>>>>> >>>>>>> You mean your sed and sort on top of the trace file? No i did not with >>>>>>> the current 5.3 kernel do you think it will show anything interesting? >>>>>>> Which line shows me how much memory gets reclaimed due to THP? >>>>> >>>>> Please re-read http://lkml.kernel.org/r/20190910082919.GL2063@xxxxxxxxxxxxxx >>>>> Each command has a commented output. If you see nunmber of reclaimed >>>>> pages to be large for GFP_TRANSHUGE then you are seeing a similar >>>>> problem. >>>>> >>>>>> Is something like a kernel memory leak possible? Or wouldn't this end up >>>>>> in having a lot of free memory which doesn't seem usable. >>>>> >>>>> I would be really surprised if this was the case. >>>>> >>>>>> I also wonder why a reclaim takes place when there is enough memory. >>>>> >>>>> This is not clear yet and it might be a bug that has been fixed since >>>>> 4.18. That's why we need to see whether the same is pattern is happening >>>>> with 5.3 as well. >>> >>> but except from the btrfs problem the memory consumption looks far >>> better than before. >>> >>> Running 4.19.X: >>> after about 12h cache starts to drop from 30G to 24G >>> >>> Running 5.3-rc8: >>> after about 24h cache is still constant at nearly 30G >>> >>> Greets, >>> Stefan >>>
