Re: BUG() in copy_fdtable() with 64K pages (2.6.19-rc1-mm1)

[Linas Vepstas]

On Tue, Oct 10, 2006 at 12:15:19PM -0500, Olof Johansson wrote:
> I keep hitting this on -rc1-mm1. The system comes up but I can't login
> since login hits it.
> 
> Bisect says that fdtable-implement-new-pagesize-based-fdtable-allocator.patch is at fault.
> 
> CONFIG_PPC_64K_PAGES=y is required for it to fail, with 4K pages it's fine.
> 
> (Hardware is a Quad G5, 1GB RAM, g5_defconfig + CONFIG_PPC_64K_PAGES, defaults 
> on all new options)
> 
> 
> 
> kernel BUG in copy_fdtable at fs/file.c:138!

FWIW, I too was hitting this bug, during init:

[   41.659823] Freeing unused kernel memory: 320k freed
INIT: version 2.86 bootin[   42.509322] kernel BUG in copy_fdtable at fs/file.c:138!

and of course systm does not come up.

--linas


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