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Linux kernel oops - Wikipedia
https://en.wikipedia.org/wiki/Linux_kernel_oops
Understanding a Kernel Oops! - Open Source For You
https://www.opensourceforu.com/2011/01/understanding-a-kernel-oops/
An “Oops” is what the kernel throws at us when it finds something faulty, or an exception, in the kernel code. It’s somewhat like the segfaults of user-space. An Oops dumps its message on the console; it contains the processor status …
Linux Kernel Documentation :: oops-tracing.txt
https://mjmwired.net/kernel/Documentation/oops-tracing.txt
20----- 21 22 Normally the Oops text is read from the kernel buffers by klogd and 23 handed to syslogd which writes it to a syslog file, typically 24 /var/log/messages (depends on /etc/syslog.conf). Sometimes klogd dies, 25 in which case you can run dmesg > file to read the data from the kernel 26 buffers and save it.
Boot-time tracing — The Linux Kernel documentation
https://www.kernel.org/doc/html/latest/trace/boottime-trace.html
Ftrace global options have “kernel.” prefix in boot config, which means these options are passed as a part of kernel legacy command line. kernel.tp_printk. Output trace-event data on printk buffer too. kernel.dump_on_oops [= MODE] Dump ftrace on Oops. If MODE = 1 or omitted, dump trace buffer on all CPUs. If MODE = 2, dump a buffer on a CPU which kicks Oops.
Using the Linux Kernel Tracepoints
https://docs.kernel.org/trace/tracepoints.html
Purpose of tracepoints ¶. A tracepoint placed in code provides a hook to call a function (probe) that you can provide at runtime. A tracepoint can be “on” (a probe is connected to it) or “off” (no probe is attached). When a tracepoint is “off” it has no effect, except for adding a tiny time penalty (checking a condition for a branch) and space penalty (adding a few bytes for the function call …
Help tracing kernel oops. - Processors forum - Processors - TI …
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/8507/help-tracing-kernel-oops
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linux/oops-tracing.txt at master · spotify/linux · GitHub
https://github.com/spotify/linux/blob/master/Documentation/oops-tracing.txt
linux/Documentation/oops-tracing.txt. Go to file. Go to file T. Go to line L. Copy path. Copy permalink. Cannot retrieve contributors at this time. 264 lines (206 sloc) 12.3 KB. Raw Blame.
DebuggingKernelOops - Ubuntu Wiki
https://wiki.ubuntu.com/DebuggingKernelOops
This is known as a kernel Oops. The kernel Oops report is typically dumped to the console as well as output to a log file like /var/log/dmesg . Although a system fault may not …
Arm Linux sshd-telnetd Kernel Oops Tracking - Stack …
https://stackoverflow.com/questions/39556549/arm-linux-sshd-telnetd-kernel-oops-tracking
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Kernel Tracing and Debugging
https://classes.engineering.wustl.edu/cse422/slides/07_tracing.pptx
St. Louis, MO 63143. Things Happen: Kernel Oops vs Panic. A kernel panicis unrecoverable and results in an instant halt. An. oops. communicates something bad happened but the kernel tries to continue executing. An oops means the kernel is not totally broken, but is probably in an inconsistent state. An oops in interrupt context, the idle task (pid 0), or the init task (pid 1) …
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