Complete hangs while extracting source

[Mark Cullen]

Lowell Gilbert wrote:
> Jakob Breivik Grimstveit <jakob at grimstveit.no> writes:
> 
> 
>>My entire system stops completely while unpacking large tar files, like when
>>building OpenOffice2.0-devel. Sound goes into a loop with a timeframe of
>>0.001 seconds, mouse pointer stops responding, everything goes to a halt.
>>This lasts about 0.5 seconds, then it starts working again, and then halts
>>again and so on, until the tarfile is completely uncompressed.
>>
>>Is this expected behaviour? Is it a broken scheduler? Am I incuding something
>>in the kernel which I shouldn't have?
> 
> 
> Sounds more like an interrupt issue.  
> 
> 
>>[jakobbg at nusse conf]$ grep -i sched /usr/src/sys/i386/conf/NUSSE 
>>options         SCHED_4BSD              # 4BSD scheduler
>>options         _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
>>[jakobbg at nusse conf]$ uname -a
>>FreeBSD nusse.starshipping.com 5.4-RELEASE-p7 FreeBSD 5.4-RELEASE-p7 #17: Tue Sep 13 19:31:11 CEST 2005     root at nusse.starshipping.com:/usr/obj/usr/src/sys/NUSSE  i386
> 
> 
> Are you seeing interrupt storms?
> What kind of controller are you using on that hard disk, and is
> anything else sharing the same interrupt?
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I've always had this problem (it sounds like the same thing at least) 
with FreeBSD, on every system I have tried it on, be it 4.x or 5.x.