Re: ext4 crash on 2.6.37: NULL ptr in ext4_discard_preallocations

From: Ted Ts'o
Date: Sat Feb 19 2011 - 19:06:14 EST


On Sat, Feb 19, 2011 at 05:37:20PM -0500, Mark Lord wrote:
> 32-bit x86 system, 2.6.37 SMP kernel, Core2duo, 3.3GB RAM, no swap.
>
> The system just suddenly switched to fbconsole and dumped a traceback.
> Here's the screen-shot photo: http://rtr.ca/ext4_crash.jpg
>
> Is this a known bug that got fixed in 2.6.37.1 ?

No, this looks like a new one.

And I can't make the Code: line make sense. Can you send me the
fs/ext4/mballoc.s file after running the command "make
fs/ext4/mballoc.s" in your build tree where you built this kernel?

Thanks!!

- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/