6.3-PRERELEASE desktop system periodically freezes momentarily

Kris Kennaway kris at FreeBSD.org
Tue Jan 8 12:27:35 PST 2008


Toomas Aas wrote:
> Kris Kennaway wrote:
>> Toomas Aas wrote:
> 
>>> Kris Kennaway wrote:
>>>
>>>> Toomas Aas wrote:
> 
>>>>> I have a 6.3-PRERELEASE system (last cvsupped Dec 12), which always 
>>>>> freezes *once* a few minutes after booting up. 
>>>
>>>> This is usually when your system accesses swap because you ran out 
>>>> of free RAM.
> 
>>> last pid: 1264;  load averages:  1.04,  1.04,  1.01 up 0+02:07:15 
>>> 21:59:30
>>> 82 processes:  2 running, 80 sleeping
>>> CPU states: 0.4% user, 98.5% nice, 1.1% system, 0.0% interrupt,  0.0% 
>>> idle
>>> Mem: 149M Active, 227M Inact, 100M Wired, 1388K Cache, 84M Buf, 251M 
>>> Free
>>> Swap: 512M Total, 512M Free
>>>
>>
>> OK, it is not in use now, but check again immediately after the pause.
> 
> I just did that. Rebooted, logged back in using xdm, quickly started an 
> xterm and top in it. Then moved around the mouse pointer. When the 
> freeze happened, 'top' (which itself froze too) showed that 609 MB 
> memory was free and no swap was being used.

OK, you may need to set up hwpmc or LOCK_PROFILING to figure out what 
your system is doing at that moment.

Kris


More information about the freebsd-stable mailing list