Kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. VNC connection showed an error (many errors but all contained /proc/sys/kernel/hung_task_timeout_secs“) INFO: task jbd2/vda3-8:250 blocked for more than 120 seconds. I’ve collected following logs that shows Memory and CPU usage and narrowed down /var/log/messages.Īfter doing a hard reboot, it came back online but I was unable to access it via VNC or SSH. My server became unresponsive today (around 15:38hrs)
During the final stages of kernel userspace initialization, a panic is typically triggered if the spawning of init fails, as the system would then be unusable. A kernel may also go into panic() if it is unable to locate a root file system. Add-on hardware or malfunctioning RAM could also be sources of fatal kernel errors during start up, due to incompatibility with the OS or a missing device driver. After recompiling a kernel binary image from source code, a kernel panic during booting the resulting kernel is a common problem if the kernel was not correctly configured, compiled or installed. However, the system is in an unstable state and rather than risking security breaches and data corruption, the operating system stops to prevent further damage and facilitate diagnosis of the error and, in usual cases, restart.
In many cases, the operating system is capable of continued operation after an error has occurred. This guide shows how to fix hung_task_timeout_secs and blocked for more than 120 seconds problem in Linux.Ī panic may occur as a result of a hardware failure or a software bug in the operating system.
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