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IDProjectCategoryView StatusLast Update
0016528CentOS-7centos-releasepublic2019-10-03 14:43
Reporterwzzzrd 
PrioritynormalSeveritycrashReproducibilityrandom
Status newResolutionopen 
PlatformAzureOSCentOS 7.6OS Version7.6
Product Version7.6.1810 
Target VersionFixed in Version 
Summary0016528: CentOS on Azure randomly Panics
DescriptionI have a system running CentOS 7.6 on Azure and Terraform Enterprise which is running on docker containers, randomly over the past 2 months we have seen several panics occur, 5+ so far. They cannot be traced back to user action or the program doing anything as several have occured during times of no usage.
Steps To ReproduceNone
Additional Information[82048.126065] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[82048.127008] IP: [<ffffffff8b17ed31>] rb_next+0x1/0x50
[82048.127008] PGD 8000003eadeb7067 PUD 3f1da5d067 PMD 0
[82048.127008] Oops: 0000 [#1] SMP
[82048.127008] Modules linked in: tcp_diag udp_diag inet_diag unix_diag af_packet_diag netlink_diag veth xt_nat ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink iptable_nat nf_nat_ipv4 xt_addrtype iptable_filter nf_nat br_netfilter bridge stp llc nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner xt_conntrack nf_conntrack iptable_security ext4 mbcache jbd2 overlay(T) dm_mirror dm_region_hash dm_log joydev sb_edac iosf_mbi dm_mod kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper hv_utils ptp ablk_helper cryptd pcspkr pps_core hv_balloon sg i2c_piix4 CyProtectDrv(OE) ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic hv_storvsc ata_generic scsi_transport_fc pata_acpi hv_netvsc hyperv_keyboard scsi_tgt hid_hyperv ata_piix crct10dif_pclmul
[82048.127008] hyperv_fb crct10dif_common libata crc32c_intel floppy hv_vmbus serio_raw
[82048.127008] CPU: 49 PID: 33661 Comm: nomad Kdump: loaded Tainted: G OE ------------ T 3.10.0-957.27.2.el7.x86_64 #1
[82048.127008] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090007 06/02/2017
[82048.127008] task: ffff947e3060a080 ti: ffff947e5fb9c000 task.ti: ffff947e5fb9c000
[82048.127008] RIP: 0010:[<ffffffff8b17ed31>] [<ffffffff8b17ed31>] rb_next+0x1/0x50
[82048.127008] RSP: 0018:ffff947e5fb9fbe0 EFLAGS: 00010046
[82048.127008] RAX: 0000000000000000 RBX: ffff947fd2fe8600 RCX: 0000000000000000
[82048.127008] RDX: 0000000000000001 RSI: ffff947faae9fc28 RDI: 0000000000000010
[82048.127008] RBP: ffff947e5fb9fc28 R08: 0000000000000000 R09: 0000000000000001
[82048.127008] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[82048.127008] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[82048.127008] FS: 00002ba56a804700(0000) GS:ffff94801ea40000(0000) knlGS:0000000000000000
[82048.127008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[82048.127008] CR2: 0000000000000010 CR3: 00000038a1354000 CR4: 00000000003606e0
[82048.127008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[82048.127008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[82048.127008] Call Trace:
[82048.127008] [<ffffffff8aedfb82>] ? pick_next_task_fair+0x102/0x1b0
[82048.127008] [<ffffffff8b5697ca>] __schedule+0x13a/0x860
[82048.127008] [<ffffffff8b569f19>] schedule+0x29/0x70
[82048.127008] [<ffffffff8af0e286>] futex_wait_queue_me+0xc6/0x130
[82048.127008] [<ffffffff8af0ef6b>] futex_wait+0x17b/0x280
[82048.127008] [<ffffffff8aed4369>] ? ttwu_do_wakeup+0x19/0xe0
[82048.127008] [<ffffffff8aed7980>] ? try_to_wake_up+0x190/0x390
[82048.127008] [<ffffffff8af10cb6>] do_futex+0x106/0x5a0
[82048.127008] [<ffffffff8af111d0>] SyS_futex+0x80/0x190
[82048.127008] [<ffffffff8b576ddb>] system_call_fastpath+0x22/0x27
[82048.127008] Code: e5 48 85 c0 75 07 eb 19 66 90 48 89 d0 48 8b 50 10 48 85 d2 75 f4 48 8b 50 08 48 85 d2 75 eb 5d c3 31 c0 5d c3 0f 1f 44 00 00 55 <48> 8b 17 48 89 e5 48 39 d7 74 3b 48 8b 47 08 48 85 c0 75 0e eb
[82048.127008] RIP [<ffffffff8b17ed31>] rb_next+0x1/0x50
[82048.127008] RSP <ffff947e5fb9fbe0>
[82048.127008] CR2: 0000000000000010



WARNING: kernel relocated [158MB]: patching 85687 gdb minimal_symbol values

      KERNEL: /usr/lib/debug/lib/modules/3.10.0-957.27.2.el7.x86_64/vmlinux
    DUMPFILE: /var/crash/127.0.0.1-2019-10-02-17:37:08/vmcore [PARTIAL DUMP]
        CPUS: 64
        DATE: Wed Oct 2 17:36:58 2019
      UPTIME: 22:47:28
LOAD AVERAGE: 1.72, 0.87, 0.59
       TASKS: 4966
    NODENAME: pziu2-tfel-p001
     RELEASE: 3.10.0-957.27.2.el7.x86_64
     VERSION: #1 SMP Mon Jul 29 17:46:05 UTC 2019
     MACHINE: x86_64 (2294 Mhz)
      MEMORY: 256 GB
       PANIC: "BUG: unable to handle kernel NULL pointer dereference at 0000000000000010"
         PID: 33661
     COMMAND: "nomad"
        TASK: ffff947e3060a080 [THREAD_INFO: ffff947e5fb9c000]
         CPU: 49
       STATE: TASK_INTERRUPTIBLE (PANIC)
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wzzzrd

wzzzrd

2019-10-03 14:43

reporter  

crashlog.txt (382,352 bytes)

Issue History

Date Modified Username Field Change
2019-10-03 14:43 wzzzrd New Issue
2019-10-03 14:43 wzzzrd File Added: crashlog.txt