On Mon, Feb 02, 2009 at 08:20:34PM -0500, Steven Rostedt wrote: > > >On Mon, 2 Feb 2009, Steven Rostedt wrote: >> >> Do not put down that debugging ability just yet. Would it not be nice to >> just tell a user to run a script you send him (the script would do all >> the command line commands) and then the user could send you back the >> result. The user would not need to reboot or compile another kernel. You >> would be able to turn on or off anything function trace you would like. > >Also note, if your user has access to serial consoles, and many enterprise >users do, then you could also trace an oops. By setting Because many enterprise users are using Fedora... ;) >"ftrace_dump_on_oops" in the kernel command line, and have them enable >function tracing before they do whatever they do to cause the oops. The >ftrace dump output will dump to the console. If they have serial, then it >will dump to their serial console where they can record the crash. This >information can be very handy for us to analyze and find the cause on an >oops. Sounds neat. Sadly, lots of common hardware these days lacks serial ports. Will it do the same to a monitor if those options are enabled? josh _______________________________________________ Fedora-kernel-list mailing list Fedora-kernel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-kernel-list
