Re: [Gems-users] "warning : Clock skew detected" in ruby compilation

[Hemayet Hossain <hossain@xxxxxxxxxxxxxxxx>]

Thanks for all those information.
BTW I am using a intel box having 8 processors, each one 2-way 
hyperthreaded. And yes, the File system id NFS.
Thanks.
--------
Hemayet Hossain

Dan Gibson wrote:
> This happens when you're compiling on a virtual machine, and your host 
> machine supports dynamic frequency modulation. There is a fix to the 
> issue... you can find it on google.
> Mike Marty wrote:
> > While Make is doing its timestamp-based dependency check, the timestamps
> > on some of your files appeared to be in the future...hence the clock skew
> > detected message
> >
> > It is not a GEMS thing.  Sounds like an issue on your host system.
> >
> > --Mike
> >
> >
> >   
> > > Hi All,
> > > I was compiling ruby (gems 1.3) in simics 3.0.14. At the end of
> > > compilation I am getting the following warning. (ruby seems working
> > > fine). Does anybody know why is that coming or is there any potential
> > > problem for that warning?
> > > ---------------------------------
> > > Template closure done
> > > Made module
> > > make[1]: warning:  Clock skew detected.  Your build may be incomplete.
> > > make[1]: Leaving directory `/home/vax2/u2/hossain/G3S364/ruby'
> > > Ruby: Linking simics module
> > > cd ../simics; make ruby
> > > make[1]: Entering directory `/home/vax2/u2/hossain/G3S364/workspace'
> > > === Building module "ruby" ===
> > > make[2]: Entering directory
> > > `/home/vax2/u2/hossain/G3S364/workspace/amd64-linux/obj/modules/ruby'
> > > make[2]: Warning: File
> > > `/home/vax2/u2/hossain/G3S364/workspace/modules/../../ruby/amd64-linux/generated/MOSI_SMP_bcast/obj/util.d'
> > > has modification time 51 s in the future
> > > Using the Simics 3.0 API for ruby module
> > > CCLD    ruby.so
> > > make[2]: warning:  Clock skew detected.  Your build may be incomplete.
> > > make[2]: Leaving directory
> > > `/home/vax2/u2/hossain/G3S364/workspace/amd64-linux/obj/modules/ruby'
> > > make[1]: Leaving directory `/home/vax2/u2/hossain/G3S364/workspace'
> > > Ruby: Moving simics module
> > > make BUILD_FLAGS=-DSIMICS movemodule
> > > make[1]: Entering directory `/home/vax2/u2/hossain/G3S364/ruby'
> > > ../scripts/prepare_simics_home.sh ../simics/home/MOSI_SMP_bcast amd64-linux
> > > make[1]: Leaving directory `/home/vax2/u2/hossain/G3S364/ruby'
> > > Ruby: my work is done here...
> > >
> > >
> > >
> > > Thanks.
> > > ----------
> > > Hemayet Hossain
> > > _______________________________________________
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