[Bugme-janitors] [Bug 9482] kernel GPF in 2.6.24 (g09f345da)

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=9482





------- Comment #11 from anonymous at kernel-bugs.osdl.org  2007-12-03 15:25 -------
Reply-To: ecashin at coraid.com

On Mon, Dec 03, 2007 at 02:47:22PM -0800, Andrew Morton wrote:
> On Mon, 3 Dec 2007 16:38:37 -0500
> "Ed L. Cashin" <ecashin at coraid.com> wrote:
...
> > It appears that the fbc->counters pointer is NULL.
> 
> Does this fix?
> 
> --- a/drivers/block/aoe/aoeblk.c~a
> +++ a/drivers/block/aoe/aoeblk.c
> @@ -6,6 +6,7 @@
>  
>  #include <linux/hdreg.h>
>  #include <linux/blkdev.h>
> +#include <linux/backing-dev.h>
>  #include <linux/fs.h>
>  #include <linux/ioctl.h>
>  #include <linux/genhd.h>
> @@ -228,6 +229,7 @@ aoeblk_gdalloc(void *vp)
>  
>  	spin_lock_irqsave(&d->lock, flags);
>  	blk_queue_make_request(&d->blkq, aoeblk_make_request);
> +	bdi_init(&d->blkq.backing_dev_info);
>  	gd->major = AOE_MAJOR;
>  	gd->first_minor = d->sysminor * AOE_PARTITIONS;
>  	gd->fops = &aoe_bdops;
> _
> 
> 
> <wonders whether blk_queue_make_request() should be running bdi_init()?>

No, the behavior doesn't change with this patch applied.

Meanwhile I have started a git bisect, and hopefully that will turn up
a specific patch before I hit an unbootable kernel or get my machine
in a state where it won't boot.


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