> Date: Sat, 2 Apr 2016 20:42:15 -0700 > From: Philip Guenther <[email protected]> > > The gdb in base, when used against a live kernel or crash dump, is > supposed to be able to backtrace individual threads via the kvm proc and > kvm pcb commands. Is anyone actually using these on 5.9 or -current? If > so, which archs? > > I ask as I see some "this can't work" logic between the kernel and gdb for > at least i386 and possibly others and I'd like to hear what *is* working > that I should verify I don't break when making changes...
I've used it from time to time, mostly on amd64 and perhaps sparc64, and probably not on i386 in the recent past. It is a useful feature to determine how a thread ended up at a particular tsleep.
