crash

debug centos7 kernel crash

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2019-04-12T09:56:06+08:00 web10 kernel: general protection fault: 0000 [#1] SMP 2019-04-12T09:56:06+08:00 web10 kernel: Modules linked in: iptable_raw xt_nat xt_mark xfrm6_mode_tunnel xfrm4_mode_tunnel veth esp4 ansi_cprng ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink iptable_nat nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat tcp_diag inet_diag overlay binfmt_misc x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iTCO_wdt iTCO_vendor_support kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel crypto_simd glue_helper cryptd intel_cstate mei_me … Read more

MariaDB 10.3 InnoDB random crash due to memory exhaust on VPS

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after migrating to new VPS my server occassionally experiences database crashes. This may happen 1-2x in 2-3 days. Server runs MariaDB 10.3 on CentOS 7 with nginx 1.16. Virtual server has 1 GB memory, no swap. During normal day-peak traffic I see cca 600 – 700 MB of memory occupied, 300 – 400 MB free. … Read more

rabbitmq – Error on AMQP connection – CRASH REPORT

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I’m trying to start rabbitmq, yet it seems to crash upon start and producing errors: handshake_error,opening,amqp_error,internal_error and refused for user: rabbitmq | 2019-08-14 15:10:16.053 [info] <0.244.0> rabbitmq | Starting RabbitMQ 3.7.16 on Erlang 22.0.7 rabbitmq | Copyright (C) 2007-2019 Pivotal Software, Inc. rabbitmq | Licensed under the MPL. See https://www.rabbitmq.com/ rabbitmq | rabbitmq | ## … Read more

RHEL7.7 How do I run “debuginfo-install kernel” when using a local repo that is an iso mounted locally?

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I want to use “crash” to look at the kernel core. crash /usr/lib/debug/lib/modules//vmlinux /var/crash//vmcore But /usr/lib/debug/lib is empty and it looks like that directory (debug libraries) is populated with “debuginfo-install kernel” I have the iso mount on /mnt/disc and yum recognizes the repo. yum repolist all Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager This system is … Read more

Ubuntu machine crashes randomly but absolutely no log. How to debug it?

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I am running an ubuntu machine and it crashes randomly. By “crashing” I mean it completely freezes, i.e. no HDD activity, no response to peripherals, and the display output is frozen. At the moment of the crash, there is no log in the system describing any error or anything at all that takes place every … Read more

IIS Worker doesn’t run or crashes immediately

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We have an IIS app hosted on Windows 2016 Server which runs fine, when running as Local User or Network Service. One of the customers is setting up the application to run on a Service Account (probably Group Managed Service account). When running under the service account, the worker process shows as running until a … Read more

CentOS 8 – uninstalled python, How to recover laptop?

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Yes I know I’m an idiot, I just need help I have a laptop running centOS 8 and I was trying to set another default version of Python. Long story short I used sudo dnf remove python and my laptop immediately crashed and now when I boot it just brings me to a command line. … Read more

Windows – robocopy kill server service and server stop respond to smb – how to real time sync folders over lan without samba?

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I have nightmare in company. New server 2019 with all patches. I use Robocopy to sync files to backup server. Robocopy kill smb “server service” several times per day, no any event log. Windows 10 clients cant access shares. Only solution is to restart server. Can even restart server service, which stuck in stopping state. … Read more