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SubjectRe: BUG: scheduling while atomic in blk_mq codepath?
On Thu, Jun 19, 2014 at 12:21:44PM -0400, Theodore Ts'o wrote:
> On Thu, Jun 19, 2014 at 12:08:01PM -0400, Theodore Ts'o wrote:
> > > The other issue, not sure, not a lot of detail. It may be fixed by the pull
> > > request I sent out yesterday. You can try pulling in:
> > >
> > > git://git.kernel.dk/linux-block.git for-linus
> >
> > Thanks, I'll give that a try.
>
> I tried merging in your for-linus branch in v3.16-rc1, and I'm seeing
> the following. On a 32-bit x86 3.15 kernel, run: "mke2fs -t ext3
> /dev/vdc" where /dev/vdc is a 5 gig virtio partition.

Short reads are more likely a bug in all the iovec iterator stuff
that got merged in from the vfs tree. ISTR a 32 bit-only bug in that
stuff go past in to do with not being able to partition a 32GB block
dev on a 32 bit system due to a 32 bit size_t overflow somewhere....

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com


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