On Tue, Nov 5, 2013 at 2:06 PM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote: > 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) Tested-by: Olof Johansson <olof@xxxxxxxxx> This resolves boot failures on: * Tegra30/beaver * OMAP4/panda * i.MX6/wandboard Thanks Chris! -Olof -- 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
