mlx4en, timer irq @100%...

[Ben RUBSON]

> On 04 Aug 2017, at 19:31, Hans Petter Selasky <hps at selasky.org> wrote:
> 
> On 08/04/17 19:13, Ben RUBSON wrote:
>>    12 100029 intr             swi4: clock (0)  tcp_tw_2msl_scan pfslowtimo softclock_call_cc softclock intr_event_execute_handlers ithread_loop fork_exit fork_trampoline
> 
> Hi,
> 
> Can you "procstat -ak" a few times and grep for swi4. If the entry above does not disappear this is the culpit. Either the callout list is corrupted or there is an issue inside tcp_tw_2msl_scan().

Still here since my log catch 30 minutes ago, and sounds like it does not want to disappear.

> I'm CC'ing Glebius hence he's been involved with timer issues in the kernel earlier.

Feel free to ask me whatever you need to investigate on this !
I let this (production :/) server in this state to have a chance to get interesting traces.

Thank you,

Ben