Re: [LTP] [PATCH] timers: add a new test case leapsec_timer

Lingzhu Xiang
2012-07-09T02:24:41Z

On 07/06/2012 06:00 PM, Caspar Zhang wrote:
> On 07/08/2012 08:23 AM, Lingzhu Xiang wrote:
>> Note that this test case might cause kernel freeze. Running with -c 5 will
>> highly increase the likelihood of that.
>
> IIRC, -c is broken, is `-i 5` able to freeze the kernel? If yes, it
> would be better to add a new entry to $LTPROOT/runtest/timers or update
> the original entry w/ `-i 5` option.

Nope. It seems the hard hang caused by concurrent leap second is unresolved
in upstream "NOTE: Some reports have been of a hard hang right at or before
the leapsecond. I've not been able to reproduce or diagnose this..." [1]

[1]: https://lkml.org/lkml/2012/7/4/78