Messages in this thread | | | Date | Wed, 22 May 2013 13:48:27 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 06/14] bcon: add a release work struct |
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On Thu, 9 May 2013 16:43:04 -0400 Joern Engel <joern@logfs.org> 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?
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