A RHEL 7.3 Virtual Machine hosted on VMware, configured with 6 or more vCPUs, performs a kernel panic Backtrace may be anOopsorgeneral protection faultornull pointer dereferencesimilar to: Raw [ 41.651323] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 [ 41.654952] IP:...
2、用户空间没有收包,内核一旦收包无法发送到用户空间,系统挂住,奔溃。。 主要log: [344.442828]BUG:unable to handle kernelNULLpointer dereference at000000000000037f[344.453301]IP:[<ffffffff811a6ff5>]__kmalloc+0x95/0x250[344.461283]PGDab390067PUDab3e3067PMD0[344.468183]Oops:0000[#2]SMP[344.473998]Mod...
Server reboot with kernel panic messageBUG: unable to handle kernel NULL pointer dereference at (null). RIPin functionafs_linux_write_begin+0x36/0x160. Resolution An exception occurred in unsignedopenafskernel module. Contact theopenafsmodule vendor for further investigation. ...
``` [23882.053990] BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 [23882.054044] IP: [<ffffffff817bba89>] ip6_datagram_connect+0x249/0x500 [23882.054080] PGD 0 [23882.054103] Oops: 0000 [#7] SMP [23882.054129] Modules linked in: aufs xt_multiport ip6table_filter...
[23882.053990] BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 [23882.054044] IP: [<ffffffff817bba89>] ip6_datagram_connect+0x249/0x500 [23882.054080] PGD 0 [23882.054103] Oops: 0000 [#7] SMP [23882.054129] Modules linked in: aufs xt_multiport ip6table_filter ip6...
In the 3.10 kernel, the code is like this: char *killer = NULL; panic_on_oops = 1; wmb(); *killer = 1;. It is that last line that triggers the "unable to handle kernel NULL pointer dereference" message. It's not really a bug because it is deliberate. In kernel 5.0, t...
[23882.053990] BUG: unable to handle kernel NULL pointer dereference at 00000000000000a0 [23882.054044] IP: [<ffffffff817bba89>] ip6_datagram_connect+0x249/0x500 [23882.054080] PGD 0 [23882.054103] Oops: 0000 [#7] SMP [23882.054129] Modules linked in: aufs xt_multiport ip6table_filter ip6...
BUG: unable to handle kernel NULL pointer dereference at 00000000000003b0in zio_remove_child#8390 Closed System information TypeVersion/Name Distribution NameUbuntu Server (Xenial) Distribution Version16.04 LTS Linux Kernel4.15.0-15-generic Architecturex86_64 ...
Linux OS - バージョン Oracle Linux 6.0 以降: Oracle Linux 6: UEK4 カーネルが "BUG: unable to handle kernel NULL pointer dereference at 0000000000000018" を出力してパニックする
现象：主要log：分析过程：分析结果：解决方法：