On 12/29/07, Randy Dunlap <[email protected]> wrote:
> On Sat, 29 Dec 2007 01:58:44 +0100 Oliver Pinter (Pintér Olivér) wrote:
>
> > On 12/29/07, Randy Dunlap <[email protected]> wrote:
> > > On Fri, 28 Dec 2007 22:11:25 +0100 Oliver Pinter (Pintér Olivér) wrote:
> > >
> > > > in newer kernel I recently see this warnings:
> > > >
> > > > X used greatest stack depth: N bytes left
> > > >
> > > > X E { program name }
> > > > N E { x byte }
> > > >
> > > > ----------------8<--------------
> > > > ...
> > > > khelper used greatest stack depth: 7496 bytes left
> > > > khelper used greatest stack depth: 7184 bytes left
> > > > ...
> > > > khelper used greatest stack depth: 6328 bytes left
> > > > stty used greatest stack depth: 6180 bytes left
> > > > mount used greatest stack depth: 6156 bytes left
> > > > mknod used greatest stack depth: 5932 bytes left
> > > > ...
> > > > wpa_supplicant used greatest stack depth: 5740 bytes left
> > > > ...
> > > > dhclient3 used greatest stack depth: 5500 bytes left
> > > > ----------------8<--------------
> > > >
> > > > it is the "results" of the CONFIG_DEBUG_STACKOVERFLOW=y
> > > > CONFIG_DEBUG_STACK_USAGE=y options or it's other problem or feature?
> > >
> > > CONFIG_DEBUG_STACK_USAGE, in kernel/exit.c:
> > >
> > > ---
> >
> > sure, but to 2.6.22 or 2.6.23-rcX (with merged the cfs scheduler)
> > don't show this warnings, but the CONFIG_DEBUG_STACK_USAGE is enabled.
>
> Sorry, I couldn't tell that you were asking more than that.
>
> In 2.6.22, CONFIG_DEBUG_STACK_USAGE only causes output during
> sysrq-W (show blocked state).
>
> In 2.6.24-rc, CONFIG_DEBUG_STACK_USAGE also causes output during
> process exit, which is what you are seeing.
>
> Does that help?
yes, thanks, then it's the answer
sorry, for my bad composition/spelling
--
Thanks,
Oliver
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