Messages in this thread | | | Date | Fri, 16 Jan 2015 12:58:45 +0100 | From | Dongsu Park <> | Subject | Re: [PATCH v2 2/7] block: rewrite __bio_copy_iov() |
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Hi Christoph,
On 16.01.2015 03:31, Christoph Hellwig wrote: > On Thu, Jan 15, 2015 at 10:18:17AM -0800, Christoph Hellwig wrote: > > This breaks booting a simple KVM VM for me: > Seems like the issue actually is in the patch before this one, but > only shows up with this one applied. > The root cause is that we only copy the iov_iter, but not the > actual iovecs into the bio_map_data. > I have a fixed series, which I'll send out together with various > related cleanups ASAP.
Thanks for testing it and finding out the root cause. Strange, I haven't never seen the bug. Maybe I'd have to test it also with virtio-scsi, which I don't do usually.
Dongsu
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