linux-kernel - Re: [2.6.22-rc2] BUG message during boot.

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Message-ID: <Pine.LNX.4.64.0705291900480.29202@schroedinger.engr.sgi.com>
Date:	Tue, 29 May 2007 19:15:09 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	"\"\\\"Tetsuo Handa\\\"\"" <penguin-kernel@...ove.sakura.ne.jp>
cc:	linux-kernel@...r.kernel.org
Subject: Re: [2.6.22-rc2] BUG message during boot.

On Thu, 24 May 2007, "\"Tetsuo Handa\"" wrote:

> It seems it is harmless because the system can continue running,
> but may be something bad?

Yes it may be harmless... Some thing is asking the slab allocator for 
an object of 0 bytes. 

> Compat vDSO mapped to ffffe000.
> BUG: at mm/slab.c:777 __find_general_cachep()
>  [<c015442d>] __kmalloc+0x4d/0xc8
>  [<c03e2395>] init_table+0x19/0x4a
>  [<c010addb>] mtrr_bp_init+0x176/0x18e
>  [<c03e048c>] check_bugs+0x5/0x3b
>  [<c03d89f0>] start_kernel+0x1e2/0x1eb
>  [<c03d83ec>] unknown_bootoption+0x0/0x181
>  =======================
> Checking 'hlt' instruction... OK.

The fix is in linux-2.6.22-rc2-mm1

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