Re: ATF tests still failing to complete within 2 hours on amd64

[Steven Bellovin <smb%cs.columbia.edu@localhost>]

On Dec 3, 2011, at 4:27 56PM, Thor Lancelot Simon wrote:

> On Sat, Dec 03, 2011 at 01:20:02PM +0200, Alan Barrett wrote:
>> On Fri, 02 Dec 2011, Thor Lancelot Simon wrote:
>>>> Well, if it's broken we should certainly try to fix it. That
>>>> said, even if it's not broken, I think three failures in 10,000
>>>> is too high for production use... at least if the failure causes
>>>> a panic at boot time. Particularly a panic at boot time when new
>>>> users are trying to boot the installer for the first time.
>>> 
>>> I can't see why.  One in 3,333 times, the test falses positive,
>>> the machine reboots, and comes back up running normally.
>> 
>> There's a big difference between "panic" and "reboots and comes back
>> up running normally".  Which is it?
> 
> There is?  Why?
> 
It depends on what ddb.onpanic is set to; there may also be disk space
issues from kern.dump_on_panic (though that's a much less interesting
point).


                --Steve Bellovin, https://www.cs.columbia.edu/~smb