BUG: unable to handle kernel NULL pointer dereference at 0000000000000040

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mugur1
Posts: 15
Joined: 23 Jan 2015, 03:32

BUG: unable to handle kernel NULL pointer dereference at 0000000000000040

Post by mugur1 »

Добрый день!

Запустил на

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# cat /etc/issue
Debian GNU/Linux 8 \n \l

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# uname -a
Linux nas05 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux
accel-ppp version af82c18fe8985b706740614d5ed738026ae68878

Через некоторое время сервер зависает в логах
2.png
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Dec 28 18:42:02 nas05 kernel: [ 2113.405557] BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
Dec 28 18:42:02 nas05 kernel: [ 2113.422158] IP: [<ffffffff8149be30>] leaf_walk_rcu+0x40/0xb0
Dec 28 18:42:02 nas05 kernel: [ 2113.439248] PGD 85861b067 PUD 85d808067 PMD 0
Dec 28 18:42:02 nas05 kernel: [ 2113.456002] Oops: 0000 [#2] SMP
Dec 28 18:42:02 nas05 kernel: [ 2113.472245] Modules linked in: cls_u32 sch_htb xt_nat iptable_nat nf_nat_ipv4 nf_nat xt_mark 8021q garp stp mrp llc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 pppoe pppox ppp_generic slhc iptable_filter xt_conntrack nf_conntrack xt_TCPMSS xt_tcpudp iptable_mangle ip_tables x_tables nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc nls_utf8 nls_cp437 vfat fat x86_pkg_temp_thermal coretemp kvm_intel iTCO_wdt kvm iTCO_vendor_support crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd efi_pstore hpwdt efivars pcspkr evdev ttm drm_kms_helper drm i2c_algo_bit hpilo i2c_i801 i2c_core lpc_ich shpchp mfd_core ipmi_si tpm_tis processor tpm thermal_sys ipmi_msghandler wmi button acpi_power_meter autofs4 ext4 crc16 mbcache jbd2 hid_generic usbhid hid sr_mod sd_mod crc_t10dif cdrom sg crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel ahci uhci_hcd ehci_pci xhci_hcd libahci ehci_hcd ixgbe tg3 libata dca hpsa ptp usbcore libphy pps_core usb_common mdio scsi_mod
Dec 28 18:42:02 nas05 kernel: [ 2113.605491] CPU: 6 PID: 5135 Comm: accel-pppd Tainted: G      D       3.16.0-4-amd64 #1 Debian 3.16.36-1+deb8u2
Dec 28 18:42:02 nas05 kernel: [ 2113.622504] Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 12/27/2015
Dec 28 18:42:02 nas05 kernel: [ 2113.639584] task: ffff88105bb14ca0 ti: ffff88105d8fc000 task.ti: ffff88105d8fc000
Dec 28 18:42:02 nas05 kernel: [ 2113.656589] RIP: 0010:[<ffffffff8149be30>]  [<ffffffff8149be30>] leaf_walk_rcu+0x40/0xb0
Dec 28 18:42:02 nas05 kernel: [ 2113.673865] RSP: 0018:ffff88105d8ffce0  EFLAGS: 00010202
Dec 28 18:42:02 nas05 kernel: [ 2113.690998] RAX: 0000000000000040 RBX: ffff88085b3737f0 RCX: 0000000000000001
Dec 28 18:42:02 nas05 kernel: [ 2113.708311] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff88085b3737b8
Dec 28 18:42:02 nas05 kernel: [ 2113.725740] RBP: ffff88085a6210d8 R08: 0000000000000020 R09: 0000000000000001
Dec 28 18:42:02 nas05 kernel: [ 2113.743313] R10: 0000000000000050 R11: 0000000000000010 R12: ffff8808550994d8
Dec 28 18:42:02 nas05 kernel: [ 2113.760662] R13: 0000000000000000 R14: ffff88085a6210d8 R15: ffff88085a6210c0
Dec 28 18:42:02 nas05 kernel: [ 2113.776981] FS:  00007f277e642700(0000) GS:ffff88087fac0000(0000) knlGS:0000000000000000
Dec 28 18:42:02 nas05 kernel: [ 2113.793566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Dec 28 18:42:02 nas05 kernel: [ 2113.810007] CR2: 0000000000000040 CR3: 0000000859473000 CR4: 00000000003407e0
Dec 28 18:42:02 nas05 kernel: [ 2113.826768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Dec 28 18:42:02 nas05 kernel: [ 2113.843255] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Dec 28 18:42:02 nas05 kernel: [ 2113.859463] Stack:
Dec 28 18:42:02 nas05 kernel: [ 2113.875509]  ffffffff8149debe ffff88085b3737f0 ffff88085b373828 0000000000000000
Dec 28 18:42:02 nas05 kernel: [ 2113.891913]  ffff880036eef9e0 ffff880036eef9c0 0000000000000000 00000000000007f0
Dec 28 18:42:02 nas05 kernel: [ 2113.908207]  ffffffff818ba280 ffff88105d8ffdc8 ffff88085dce35c0 ffffffff81496d88
Dec 28 18:42:02 nas05 kernel: [ 2113.924892] Call Trace:
Dec 28 18:42:02 nas05 kernel: [ 2113.941104]  [<ffffffff8149debe>] ? fib_table_flush+0x16e/0x200
Dec 28 18:42:02 nas05 kernel: [ 2113.957606]  [<ffffffff81496d88>] ? fib_flush+0x38/0x70
Dec 28 18:42:02 nas05 kernel: [ 2113.974051]  [<ffffffff81496dde>] ? fib_disable_ip+0x1e/0x40
Dec 28 18:42:02 nas05 kernel: [ 2113.990460]  [<ffffffff81498712>] ? fib_netdev_event+0xa2/0xd0
Dec 28 18:42:02 nas05 kernel: [ 2114.006932]  [<ffffffff8108d75e>] ? notifier_call_chain+0x4e/0x70
Dec 28 18:42:02 nas05 kernel: [ 2114.023474]  [<ffffffff814255aa>] ? __dev_notify_flags+0x5a/0xb0
Dec 28 18:42:02 nas05 kernel: [ 2114.040272]  [<ffffffff81425d3b>] ? dev_change_flags+0x4b/0x60
Dec 28 18:42:02 nas05 kernel: [ 2114.056947]  [<ffffffff81490173>] ? devinet_ioctl+0x6a3/0x7a0
Dec 28 18:42:02 nas05 kernel: [ 2114.073531]  [<ffffffff81406e60>] ? sock_do_ioctl+0x20/0x50
Dec 28 18:42:02 nas05 kernel: [ 2114.089704]  [<ffffffff81407398>] ? sock_ioctl+0x1e8/0x2c0
Dec 28 18:42:02 nas05 kernel: [ 2114.105551]  [<ffffffff811bce4f>] ? do_vfs_ioctl+0x2cf/0x4b0
Dec 28 18:42:02 nas05 kernel: [ 2114.121211]  [<ffffffff815147a6>] ? __schedule+0x106/0x6f0
Dec 28 18:42:02 nas05 kernel: [ 2114.136919]  [<ffffffff811bd0b1>] ? SyS_ioctl+0x81/0xa0
Dec 28 18:42:02 nas05 kernel: [ 2114.152535]  [<ffffffff8151858d>] ? system_call_fast_compare_end+0x10/0x15
Dec 28 18:42:02 nas05 kernel: [ 2114.168442] Code: b6 4f 0c 8b 76 08 b8 01 00 00 00 80 f9 1f 77 0e 89 f0 d3 e0 44 89 c1 29 d1 d3 e8 83 c0 01 be 01 00 00 00 eb 14 66 0f 1f 44 00 00 <f6> 00 01 75 5b 0f b6 50 0d 48 89 c7 31 c0 89 d1 41 89 f1 41 d3
Dec 28 18:42:02 nas05 kernel: [ 2114.201133] RIP  [<ffffffff8149be30>] leaf_walk_rcu+0x40/0xb0
Dec 28 18:42:02 nas05 kernel: [ 2114.217335]  RSP <ffff88105d8ffce0>
Dec 28 18:42:02 nas05 kernel: [ 2114.233878] CR2: 0000000000000040
Dec 28 18:42:02 nas05 kernel: [ 2114.249681] ---[ end trace 3ffacc8d3575c143 ]---
Dmitry
Администратор
Posts: 954
Joined: 09 Oct 2014, 10:06

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000040

Post by Dmitry »

привет
могу только предложить обновить ядро
mugur1
Posts: 15
Joined: 23 Jan 2015, 03:32

Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000040

Post by mugur1 »

Привет. Обновили ядро. Ошибка ушла.
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