Re: Memory corruption & SCSI in 2.6.15

[Benjamin Herrenschmidt]

> If it's easily repeatable, doing a "git bisect" to see when it starts 
> happening is the obvious big sledge-hammer thing to try. Even if you don't 
> bisect all the way, just narrowing it down a bit more might help.

Sure, though I assumed it had already be tracked down at least partially
by Brian ;)

> Also, enabling DEBUG_PAGEALLOC might help, but that's not available on 
> powerpc.

Remind me what is needed to get that working ? Unmapping of linear
mapping pages ? (I suppose I could do that if I also disable using large
pages for it).

> There's a raid1 use-after-free bugfix that I just merged and pushed out, 
> but I doubt that one is relevant. But you might try to update.
> 
> 		Linus

-
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/