Bad page state in qemu-system-x86 process

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---Problem Description---
BUG: Bad page state in process qemu-system-x86

[ 2284.443389] Call Trace:
[ 2284.443398] [<ffffffff813eb1a3>] dump_stack+0x63/0x90
[ 2284.443404] [<ffffffff811924ae>] bad_page.part.68+0xae/0x100
[ 2284.443408] [<ffffffff81192ef6>] free_pages_prepare+0x2e6/0x310
[ 2284.443413] [<ffffffff811fe2c1>] ? uncharge_list+0xc1/0xd0
[ 2284.443417] [<ffffffff81195345>] free_hot_cold_page+0x35/0x1c0
[ 2284.443422] [<ffffffff8119db40>] put_page+0x40/0x50
[ 2284.443428] [<ffffffff8124a367>] dio_bio_complete+0x77/0xc0
[ 2284.443432] [<ffffffff8124cf0f>] do_blockdev_direct_IO+0x23bf/0x3410
[ 2284.443435] [<ffffffff81190407>] ? mempool_free_slab+0x17/0x20
[ 2284.443440] [<ffffffff81247b80>] ? I_BDEV+0x20/0x20
[ 2284.443443] [<ffffffff8124dfa3>] __blockdev_direct_IO+0x43/0x50
[ 2284.443447] [<ffffffff81248628>] blkdev_direct_IO+0x58/0x80
[ 2284.443461] [<ffffffff8118f4fb>] generic_file_read_iter+0x47b/0x5c0
[ 2284.443465] [<ffffffff810ef329>] ? hrtimer_cancel+0x19/0x20
[ 2284.443472] [<ffffffff811008a6>] ? futex_wait+0x206/0x280
[ 2284.443476] [<ffffffff812489f5>] blkdev_read_iter+0x35/0x40
[ 2284.443482] [<ffffffff8120c9ac>] do_iter_readv_writev+0x6c/0xa0
[ 2284.443486] [<ffffffff8120d52f>] do_readv_writev+0x18f/0x230
[ 2284.443492] [<ffffffff810ac0b0>] ? wake_up_q+0x70/0x70
[ 2284.443496] [<ffffffff8120d606>] vfs_readv+0x36/0x50
[ 2284.443501] [<ffffffff8120e4e5>] SyS_preadv+0xc5/0xe0

There are VMs running on qemu/kvm with root fs mounted from AoE storage volumes.

Contact Information = John Keenleyside <email address hidden>; David Wright <email address hidden>

---uname output---
Linux h0102-u07 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:09:13 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

Machine Type = Supermicro SYS-1028U-TNRTP+

The reporter was requested to provide recreation steps and sosreport and also report the problem in parallel with Supermicro.

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Default Comment by Bridge

[Robie Basak (racb)]

Thank you for taking the time to report this bug and helping to make Ubuntu better.

Since there isn't enough information in your report to differentiate between a local configuration problem and a bug in Ubuntu, I'm marking this bug as Incomplete.

If indeed this is a local configuration problem, you can find pointers to get help for this sort of problem here: http://www.ubuntu.com/support/community

Or if you believe that this is really a bug, then you may find it helpful to read "How to report bugs effectively" http://www.chiark.greenend.org.uk/~sgtatham/bugs.html. We'd be grateful if you would then provide a more complete description of the problem, explain why you believe this is a bug in Ubuntu rather than a problem specific to your system, and then change the bug status back to New.