Re: [Query]: trace-cmd crashing with '-e syscalls' on 3.13-rc1
From: Viresh Kumar
Date: Tue Dec 24 2013 - 10:44:36 EST
On 24 December 2013 19:18, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> Can you also produce this with just
> "echo 1 > /sys/kernel/debug/tracing/events/syscalls/enable"?
Will do that on 26th..
>> [ 299.998874] Unable to handle kernel NULL pointer dereference at
>> virtual address 0000001b
>> [ 300.005554] pgd = ed9fc000
>> [ 300.008201] [0000001b] *pgd=6eb1e831, *pte=00000000, *ppte=00000000
>> [ 300.014428] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
>> [ 300.019812] Modules linked in:
>> [ 300.022847] CPU: 0 PID: 2172 Comm: is-cpu-isolated Not tainted
>> 3.13.0-rc1-00090-gd6eaf98-dirty #141
> Are you running some isolated CPU test? Do you have NO_HZ_FULL enabled
Yeah, I am using NO_HZ_FULL with CPUSets. Only one task (stress) is running
on CPU1 and CPU0 is running everything else..
> I Cc'd Frederic too.
> Note, I'm on PTO for two weeks (coming back Jan 6th), so I wont be
> debugging this any time soon. My wife has me debugging house issues
> (putting in a new floor for laundry room, painting, re-arranging
> furniture, etc). (I have to sneak to the computer in order to goof off
> and respond to this email ;-)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/