This bug was fixed in the package linux - 3.18.0-8.9
---------------
linux (3.18.0-8.9) vivid; urgency=low
[ Leann Ogasawara ]
* Release Tracking Bug
- LP: #1407692
* rebase to v3.18.1
* ubuntu: AUFS -- Resolve build failure union has no member named
'd_child'
[ Upstream Kernel Changes ]
* arm64: optimized copy_to_user and copy_from_user assembly code
- LP: #1400349
* x86, kvm: Clear paravirt_enabled on KVM guests for espfix32's benefit
- LP: #1400314
- CVE-2014-8134
* rebase to v3.18.1
-- Leann Ogasawara <leann.ogasaw...@canonical.com> Mon, 05 Jan 2015 09:12:32
-0800
** Changed in: linux (Ubuntu Vivid)
Status: Fix Committed => Fix Released
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2014-8134
--
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https://bugs.launchpad.net/bugs/1396470
Title:
please enable CONFIG_VIRTIO_MMIO on armmp
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Lucid:
Invalid
Status in linux source package in Utopic:
Fix Committed
Status in linux source package in Vivid:
Fix Released
Bug description:
[Impact]
Degraded performance during network and disk activity in a kvm guest.
[Test case]
Try booting a vm and do some disk/net activity with and without this driver.
[Regression potential]
In case of regressions, it will just hit people using kvm on 32bit armhf
hardware (the lpae variant in particular): we already had this driver on in the
past, it's on by default on every arch, it's widely used and upstream is very
active - i say it's a low potential regression.
--
Hi,
The current armmp (linux-
image-3.16.0-26-generic_3.16.0-26.34_armhf.deb) could have virtio-mmio
enabled for faster vm guests. Currenlty it seems to have:
CONFIG_NET_9P_VIRTIO=m
CONFIG_VIRTIO_BLK=y
CONFIG_SCSI_VIRTIO=m
CONFIG_VIRTIO_NET=y
CONFIG_CAIF_VIRTIO=m
CONFIG_VIRTIO_CONSOLE=y
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_VIRTIO=y
CONFIG_VIRTIO_PCI=y
# CONFIG_VIRTIO_BALLOON is not set
# CONFIG_VIRTIO_MMIO is not set
Now using virtio net and block is not possible, and you have to revert
to emulated devices.
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