[6466275.748026] CE: xen increased min_delta_ns to 150000 nsec [6466275.758056] CE: xen increased min_delta_ns to 225000 nsec [6466275.771064] CE: xen increased min_delta_ns to 150000 nsec [6466360.904010] CE: xen increased min_delta_ns to 150000 nsec [6466360.903274] CE: xen increased min_delta_ns to 150000 nsec [6466360.908701] CE: xen increased min_delta_ns to 150000 nsec [6466360.904010] CE: xen increased min_delta_ns to 225000 nsec [6466360.903763] CE: xen increased min_delta_ns to 225000 nsec [6466360.908701] CE: xen increased min_delta_ns to 225000 nsec [6466360.912650] CE: xen increased min_delta_ns to 150000 nsec [6466360.904010] CE: xen increased min_delta_ns to 337500 nsec [6466360.904607] CE: xen increased min_delta_ns to 337500 nsec [6466360.903763] CE: xen increased min_delta_ns to 337500 nsec [6466360.903763] CE: xen increased min_delta_ns to 150000 nsec [6466360.903763] CE: xen increased min_delta_ns to 225000 nsec [6466360.903763] CE: xen increased min_delta_ns to 506250 nsec [6466360.918796] CE: xen increased min_delta_ns to 150000 nsec [6466360.918796] CE: xen increased min_delta_ns to 225000 nsec [6466360.924550] CE: xen increased min_delta_ns to 150000 nsec [6466360.928789] CE: xen increased min_delta_ns to 150000 nsec [6466360.924550] CE: xen increased min_delta_ns to 225000 nsec [6466360.928789] CE: xen increased min_delta_ns to 225000 nsec [6466361.016084] CE: xen increased min_delta_ns to 337500 nsec [6466361.156594] CE: xen increased min_delta_ns to 506250 nsec [6466361.276340] CE: xen increased min_delta_ns to 337500 nsec [6466361.276340] CE: xen increased min_delta_ns to 506250 nsec [6466361.287109] CE: xen increased min_delta_ns to 337500 nsec [6466361.568958] CE: xen increased min_delta_ns to 150000 nsec [6466361.526337] Freezing user space processes ... (elapsed 0.180 seconds) done. [6466361.707167] Freezing remaining freezable tasks ... (elapsed 0.004 seconds) done. [6466361.716213] PM: freeze of devices complete after 4.258 msecs [6466361.716218] suspending xenstore... [6466361.716415] PM: late freeze of devices complete after 0.193 msecs [6466361.727884] PM: noirq freeze of devices complete after 11.461 msecs [6466361.728201] xen:events: Xen HVM callback vector for event delivery is enabled [6466361.728201] Xen Platform PCI: I/O protocol version 1 [6466361.728201] xen:grant_table: Grant tables using version 1 layout [6466361.728201] xen: --> irq=8, pirq=16 [6466361.728201] xen: --> irq=12, pirq=17 [6466361.728201] xen: --> irq=1, pirq=18 [6466361.728201] xen: --> irq=6, pirq=19 [6466361.728201] xen: --> irq=4, pirq=20 [6466361.728201] xen: --> irq=7, pirq=21 [6466361.728201] xen: --> irq=23, pirq=22 [6466361.728201] xen: --> irq=28, pirq=23 [6466361.738111] PM: noirq restore of devices complete after 9.574 msecs [6466361.738641] PM: early restore of devices complete after 0.265 msecs [6466361.741068] usb usb1: root hub lost power or was reset [6466361.749998] rtc_cmos 00:02: System wakeup disabled by ACPI [6466362.057090] usb 1-2: reset full-speed USB device number 2 using uhci_hcd [6466362.287032] PM: restore of devices complete after 547.113 msecs [6466362.287476] Restarting tasks ... done. [6466362.300104] Setting capacity to 1363148800 [6466362.386481] xenwatch: page allocation failure: order:5, mode:0xc0d0 [6466362.386487] CPU: 11 PID: 70 Comm: xenwatch Kdump: loaded Tainted: G W OE ------------ 3.10.0-1160.81.1.el7.x86_64 #1 [6466362.386489] Hardware name: Xen HVM domU, BIOS 4.13 02/16/2023 [6466362.386490] Call Trace: [6466362.386505] [] dump_stack+0x19/0x1f [6466362.386511] [] warn_alloc_failed+0x110/0x180 [6466362.386516] [] __alloc_pages_nodemask+0x9ef/0xbf0 [6466362.386529] [] alloc_pages_current+0x98/0x110 [6466362.386533] [] kmalloc_order+0x18/0x50 [6466362.386536] [] kmalloc_order_trace+0x26/0xa0 [6466362.386570] [] ? xennet_destroy_queues.isra.21+0x81/0xa0 [xen_netfront] [6466362.386574] [] __kmalloc+0x221/0x240 [6466362.386578] [] talk_to_netback+0x17d/0xcf0 [xen_netfront] [6466362.386584] [] ? xenbus_scanf+0x72/0xa0 [6466362.386590] [] netback_changed+0x13e/0x296 [xen_netfront] [6466362.386594] [] xenbus_otherend_changed+0xc0/0x130 [6466362.386596] [] ? xenwatch_thread+0xb9/0x180 [6466362.386599] [] backend_changed+0x13/0x20 [6466362.386600] [] xenwatch_thread+0xa8/0x180 [6466362.386605] [] ? wake_up_atomic_t+0x40/0x40 [6466362.386608] [] ? register_xenbus_watch+0xf0/0xf0 [6466362.386610] [] kthread+0xd1/0xe0 [6466362.386615] [] ? insert_kthread_work+0x40/0x40 [6466362.386619] [] ret_from_fork_nospec_begin+0x7/0x21 [6466362.386623] [] ? insert_kthread_work+0x40/0x40 [6466362.386629] Mem-Info: [6466362.386635] active_anon:8182097 inactive_anon:963998 isolated_anon:23 active_file:1058568 inactive_file:819414 isolated_file:0 unevictable:0 dirty:3383 writeback:0 unstable:0 slab_reclaimable:444221 slab_unreclaimable:120502 mapped:629406 shmem:5635415 pagetables:163903 bounce:0 free:390340 free_pcp:1010 free_cma:0 [6466362.386638] Node 0 DMA free:15904kB min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15988kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes [6466362.386644] lowmem_reserve[]: 0 3596 48103 48103 [6466362.386647] Node 0 DMA32 free:854724kB min:5048kB low:6308kB high:7572kB active_anon:294248kB inactive_anon:370372kB active_file:508372kB inactive_file:230144kB unevictable:0kB isolated(anon):92kB isolated(file):0kB present:3915776kB managed:3683296kB mlocked:0kB dirty:896kB writeback:0kB mapped:75212kB shmem:439152kB slab_reclaimable:1267520kB slab_unreclaimable:82472kB kernel_stack:14576kB pagetables:31552kB unstable:0kB bounce:0kB free_pcp:716kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [6466362.386653] lowmem_reserve[]: 0 0 44506 44506 [6466362.386656] Node 0 Normal free:690732kB min:62508kB low:78132kB high:93760kB active_anon:32434140kB inactive_anon:3485620kB active_file:3725900kB inactive_file:3047512kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:46391296kB managed:45577992kB mlocked:0kB dirty:12636kB writeback:0kB mapped:2442412kB shmem:22102508kB slab_reclaimable:509364kB slab_unreclaimable:399536kB kernel_stack:16816kB pagetables:624060kB unstable:0kB bounce:0kB free_pcp:3324kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no [6466362.386661] lowmem_reserve[]: 0 0 0 0 [6466362.386663] Node 0 DMA: 0*4kB 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (EM) = 15904kB [6466362.386673] Node 0 DMA32: 34746*4kB (UEM) 36463*8kB (UEM) 26029*16kB (UEM) 239*32kB (UEM) 2*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 854928kB [6466362.386681] Node 0 Normal: 164680*4kB (UEM) 2796*8kB (UEM) 99*16kB (UEM) 116*32kB (UM) 47*64kB (M) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 690800kB [6466362.386691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [6466362.386693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [6466362.386695] 7605945 total pagecache pages [6466362.386699] 92516 pages in swap cache [6466362.386700] Swap cache stats: add 25619491, delete 25526686, find 416583308/421855335 [6466362.386702] Free swap = 96kB [6466362.386702] Total swap = 8388604kB [6466362.386704] 12580765 pages RAM [6466362.386705] 0 pages HighMem/MovableOnly [6466362.386706] 261467 pages reserved [6466362.386713] vif vif-0: 12 creating queues [6466362.391609] BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 [6466362.392542] IP: [] napi_disable+0x19/0xa0 [6466362.392542] PGD 0 [6466362.392542] Oops: 0002 [#1] SMP [6466362.392542] Modules linked in: snumbd26(OE) file_protector(OE) snapapi26(OE) kcare(OE) rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache dm_mod xt_owner ip6t_REJECT nf_reject_ipv6 ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_filter ip6_tables xt_nat ipt_REJECT nf_reject_ipv4 xt_NFLOG xt_set xt_multiport ip_set_bitmap_port ip_set_list_set ip_set_hash_net iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_filter ip_set binfmt_misc xenfs xen_privcmd vfat fat nfnetlink_log ppdev nfit libnvdimm iosf_mbi crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd joydev pcspkr parport_pc parport sunrpc i2c_piix4 ip_tables ext4 mbcache jbd2 ata_generic pata_acpi bochs_drm drm_kms_helper syscopyarea [6466362.392542] sysfillrect sysimgblt fb_sys_fops ttm drm xen_netfront xen_blkfront ata_piix crct10dif_pclmul crct10dif_common libata crc32c_intel serio_raw drm_panel_orientation_quirks floppy [last unloaded: edd] [6466362.392542] CPU: 11 PID: 70 Comm: xenwatch Kdump: loaded Tainted: G W OE ------------ 3.10.0-1160.81.1.el7.x86_64 #1 [6466362.392542] Hardware name: Xen HVM domU, BIOS 4.13 02/16/2023 [6466362.392542] task: ffff9feaa116e300 ti: ffff9ff51e228000 task.ti: ffff9ff51e228000 [6466362.392542] RIP: 0010:[] [] napi_disable+0x19/0xa0 [6466362.392542] RSP: 0018:ffff9ff51e22ba98 EFLAGS: 00010246 [6466362.392542] RAX: 0000000000000000 RBX: 0000000000000038 RCX: ffff9ff51e22bfd8 [6466362.392542] RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000028 [6466362.392542] RBP: ffff9ff51e22baa8 R08: 0000000000000000 R09: 00000001820001aa [6466362.392542] R10: 0000000050e39501 R11: ffff9ff250e39530 R12: 0000000000000028 [6466362.392542] R13: ffff9ff51a7a1000 R14: 0000000000000008 R15: 00000000fffffff4 [6466362.392542] FS: 0000000000000000(0000) GS:ffff9ff51e0c0000(0000) knlGS:0000000000000000 [6466362.392542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [6466362.392542] CR2: 0000000000000038 CR3: 0000000a0a504000 CR4: 00000000007606e0 [6466362.392542] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [6466362.392542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [6466362.392542] PKRU: 00000000 [6466362.392542] Call Trace: [6466362.392542] [] xennet_close+0x9a/0xe0 [xen_netfront] [6466362.392542] [] __dev_close_many+0xb8/0x120 [6466362.392542] [] dev_close_many+0x98/0x140 [6466362.392542] [] rollback_registered_many+0x108/0x2e0 [6466362.392542] [] rollback_registered+0x40/0x70 [6466362.392542] [] unregister_netdevice_queue+0x50/0x80 [6466362.392542] [] unregister_netdev+0x1c/0x30 [6466362.392542] [] xennet_remove+0x235/0x270 [xen_netfront] [6466362.392542] [] ? wake_up_atomic_t+0x40/0x40 [6466362.392542] [] xenbus_dev_remove+0x58/0xb0 [6466362.392542] [] __device_release_driver+0x82/0xf0 [6466362.392542] [] device_release_driver+0x23/0x40 [6466362.392542] [] bus_remove_device+0x10b/0x190 [6466362.392542] [] device_del+0x13a/0x220 [6466362.392542] [] device_unregister+0x1e/0x60 [6466362.392542] [] talk_to_netback+0x6d2/0xcf0 [xen_netfront] [6466362.392542] [] ? xenbus_scanf+0x72/0xa0 [6466362.392542] [] netback_changed+0x13e/0x296 [xen_netfront] [6466362.392542] [] xenbus_otherend_changed+0xc0/0x130 [6466362.392542] [] ? xenwatch_thread+0xb9/0x180 [6466362.392542] [] backend_changed+0x13/0x20 [6466362.392542] [] xenwatch_thread+0xa8/0x180 [6466362.392542] [] ? wake_up_atomic_t+0x40/0x40 [6466362.392542] [] ? register_xenbus_watch+0xf0/0xf0 [6466362.392542] [] kthread+0xd1/0xe0 [6466362.392542] [] ? insert_kthread_work+0x40/0x40 [6466362.392542] [] ret_from_fork_nospec_begin+0x7/0x21 [6466362.392542] [] ? insert_kthread_work+0x40/0x40 [6466362.392542] Code: 00 0f b6 d2 48 c1 e2 04 e8 c5 40 d3 ff eb ba 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 41 54 49 89 fc 53 49 8d 5c 24 10 e8 e7 e6 13 00 41 80 4c 24 10 02 f0 41 0f ba 6c 24 10 00 19 c0 85 c0 74 17 [6466362.392542] RIP [] napi_disable+0x19/0xa0 [6466362.392542] RSP [6466362.392542] CR2: 0000000000000038