On Sat, 2014-12-27 at 11:20 +0000, Toni Mueller wrote: [...] > I am confused because the output is really not that much more verbose > than the screnshots, but here you are: > > > [ 22.224014] INFO: rcu_sched self-detected stall on CPU { 1} (t=5251 jiffies g=-153 c=-154 q=307) What happened to the first 22 seconds of the log? > [ 22.232010] INFO: rcu_sched detected stalls on CPUs/tasks: { 1} (detected by 0, t=5252 jiffies, g=-153, c=-154, q=307) > [ 22.232010] CPU: 0 PID: 122 Comm: systemd-udevd Not tainted 3.16.0-0.bpo.4-686-pae #1 Debian 3.16.7-ckt2-1~bpo70+1 > [ 22.232010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [ 22.232010] task: f6c96560 ti: f6cd6000 task.ti: f6cd6000 > [ 22.232010] Stack: > [ 22.232010] Call Trace: [...] I don't understand why the stack information is not printed here. Please add 'debug' to the kernel command line; that should force it to really log everything. Ben. -- Ben Hutchings It is easier to change the specification to fit the program than vice versa.
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