Re: [linuxsh-dev] slab poisoning

[Jaswinder S. <jas...@ya...>]

--- Jaswinder Singh <jas...@ya...> wrote:
> 
> --- Stuart Menefy <Stu...@st...> wrote:
> > Folks
> 
> hello,
> 
> > 
> > I've been chasing a problem for a few hours now,
> and
> > I was just wondering if
> > anyone else has seen it.
> > 
> 
> i have not seen this problem , but i also face many
> problems during ftp , this is because i am using
> RAMDISK , and i dont put all the file required by
> the
> ftp at runtime . please check this out in your case
> ,
> which files are required by "open" function . may be
> i
> am wrong .
> 
> > When using the ST-NIC Ethernet interface on the
> 7750
> > Solution Engine,
> > and transferring a fairly large (~ 0.5Mb) using
> FTP,
> > I start getting the
> > error message:
> >   kmem_alloc: Bad poison (name=size-2048)
> > 
> > A big of digging appears to show that an Ethernet
> > frame is being written
> > into a slab of memory which is on the free list. I
> > can't believe this
> > is a generic kernel/driver/mm problem, otherwise
> it
> > would have been
> > fixed by now, but equally I can't see anything
> > SuperH specific about this
> > either.
> > 
> 
> debug by "SLAB_DEBUG_SUPPORT" , may be it will help
> u
> to find the problem .

i also want to tell u that slab is depending on cache
& u play with cache , so if possible use the old code
of cache & check that r u facing the same problem in
old code or not. may be i am wrong :(
 
Regards,
 
Jaswinder.
 


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