[Yaffs-archive] RE: kernel BUG at slab.c:1112! -->NAND issue?

[velipekka.ylonen@teleste.com]

I updated the latest mtd code and it is now working. Thank you for the help.

> -----Original Message-----
> From:	Thomas Gleixner [SMTP:tglx@linutronix.de]
> Sent:	Sunday, January 12, 2003 17:03
> To:	Charles Manning; 'velipekka.ylonen@teleste.com';
> yaffs@toby-churchill.org
> Subject:	Re: kernel BUG at slab.c:1112! -->NAND issue?
> 
> On Sunday 12 January 2003 01:02, Charles Manning wrote:
> > This looks to me like it is happeing in the NAND mtd.
> I don't think so. The stacktrace is not really useful. And it seams to be 
> inconsistent. 
> > Trace; c00c4d54 <nand_write_page+27c/58c>
> > Trace; c00c6e8c <nand_trans_result+7c/98>
> nand_trans_result is called from nand_calculate_ecc, which is called from 
> nand_write_page. So the order in stack is reversed here.
> 
> What are the OUT_OF_CODE entries. Do you have modules loaded ?
> 
> Bug in slab.c 1112 seams to be the following:
> 	/*
> 	 * The test for missing atomic flag is performed here, rather than
> 	 * the more obvious place, simply to reduce the critical path length
> 	 * in kmem_cache_alloc(). If a caller is seriously mis-behaving they
> 	 * will eventually be caught here (where it matters).
> 	 */
> 	if (in_interrupt() && (flags & SLAB_LEVEL_MASK) != SLAB_ATOMIC)
> 		BUG();
> That's not a nand issue.
> 
> What version of MTD code do you use ? Latest MTD-CVS or old stuff ? Make
> sure 
> to use latest MTD-CVS.
> 
> -- 
> Thomas
> ________________________________________________________________________
> linutronix - competence in embedded & realtime linux
> http://www.linutronix.de
> mail: tglx@linutronix.de

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