On 11/05/2013 01:56 PM, Chris Mason wrote: > Quoting Olof Johansson (2013-11-05 15:38:33) >> On Tue, Nov 5, 2013 at 12:33 PM, Chris Mason <chris.mason@xxxxxxxxxxxx> wrote: >>> Quoting Olof Johansson (2013-11-05 15:23:51) >>>> On Tue, Nov 5, 2013 at 11:33 AM, Jens Axboe <axboe@xxxxxxxxx> wrote: >>> >>> [ horrible crashes fixed by removing my patch ] >>> ... > Ok, I think I see it. My guess is that you're hitting bounce buffers. > __blk_queue_bounce is the only caller of the bio splitting code I can > see that you might be hitting. > > My first patch exposed a lurking bug in bio_clone_biovec. Basically > bio->bi_vcnt is being doubled instead of initialized. > > This patch is only compile tested, but I think it'll fix it. Tested-by: Stephen Warren <swarren@xxxxxxxxxx> (this fixes the issue on Tegra30/Beaver at least) -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
