Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fails to boot: kernel BUG at include/linux/scatterlist.h:49!

From: Jens Axboe
Date: Sat Nov 03 2007 - 12:04:24 EST


On Sat, Nov 03 2007, Stefan Richter wrote:
> Torsten Kaiser wrote:
> > On 11/2/07, Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx> wrote:
> >> To which extent do you need IEEE 1394 drivers?
> >
> > Using eth1394 as primary network connection on this computer.
> > So switching to the new stack is currently not an option,
>
> That's right.
>
> > Looking that calltrace upwards, it seems replacing the
> > memset(dma->sglist,...) with sg_init_table(...) would fix the BUG_ON()
> > as that inits the SG_MAGIC.
>
> Yes, this should be the first thing to be fixed.

It's probably enough. Only if you use chaining do you need to convert to
using for_each_sg() and so on.

--
Jens Axboe

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