On Thu, 9 May 2013 16:43:04 -0400 Joern Engel <[email protected]> wrote:
> The final bcon_put() can be called from atomic context, by way of > bio_endio(). In that case we would sleep in invalidate_mapping_pages(), > with the usual unhappy results. > > In nearly a year of production use, I have only seen a matching > backtrace once. There was a second known issue that could be reproduced > by "yes h > /proc/sysrq-trigger" and concurrently pulling and replugging > the blockconsole device. It took be somewhere around 30 pulls and sore > thumbs to reproduce and I never found the time to get to the bottom of > it. Quite likely the two issues are identical. This fix should be folded into the base patch? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
