>From: ovs-dev-boun...@openvswitch.org [mailto:ovs-dev-boun...@openvswitch.org] >On Behalf Of Stokes, Ian >Sent: Tuesday, July 4, 2017 10:09 AM >To: Darrell Ball <db...@vmware.com>; d...@openvswitch.org >Subject: Re: [ovs-dev] [PATCH v1] docs: Use DPDK 16.11.2 stable release. > >> Hi Ian >> >> Do you have a good link to the 16.11.2 release notes ? >> I have been looking around and found some links but may not be the best >> and I am not sure new functionality is not being enabled with 16.11.2 ? >> >> What specifically do we want from 16.11.2 ? >> >> Thanks Darrell > >Hi Darrell, > >16.11.2 will not have new functionality, it will consist of the latest bug >fixes for existing functionality for DPDK 16.11.1. There is no API/ABI changes >in the stable point releases for DPDK. > >A list of the bugs fixed in 16.11.2 since 16.11.1 is available here > >http://dpdk.org/doc/guides-16.11/rel_notes/release_16_11.html > >In particular what caught my eye was the bug fixes for vfio and vhost > >vfio: fix disabling INTx >vfio: fix secondary process start >vhost: change log levels in client mode >vhost: fix dequeue zero copy >vhost: fix false sharing >vhost: fix fd leaks for vhost-user server mode >vhost: fix max queues >vhost: fix multiple queue not enabled for old kernels >vhost: fix use after free > >There is also a number of out of bound array bug fixes for the i40e and ixgbe >drivers. > >On a side note for the motivation for the move, there has been instances in >the past (for example mempool allocations) where a bug has been reported in >OVS DPDK in specific cornercases, upon investigating we found it was a bug in >DPDK 16.11.0 release which had already been reported and fixed in the 16.11.1 >release.
+1 on this - I've handled similar OvS 'bugs' where the root-cause was a DPDK issue that had already been resolved on the DPDK stable branch. I can't recommend strongly enough that we move to the 16.11.2 branch for OvS 2.7.1 (stable branch + stable branch = fewer bugs all 'round). Thanks, Mark > >As the stable releases consist of bug fixes only there should be no issue >pointing users to the latest stable release of the DPDK currently supported. >We've done this previously for OVS 2.6.x releases where we've pushed users to >the stable DPDK 16.07.2 release. > >Ian > >> >> >> On 7/3/17, 1:01 PM, "ovs-dev-boun...@openvswitch.org on behalf of Stokes, >> Ian" <ovs-dev-boun...@openvswitch.org on behalf of ian.sto...@intel.com> >> wrote: >> >> Hi All, >> >> I would like to see this go into the OVS 2.7.1 branch to ensure users >> are using the latest stable DPDK 16.11 release. If anyone has time to >> review this patch I would be grateful. I've been using 16.11.2 myself for >> the last number of weeks and have not encountered any issues. >> >> Thanks >> Ian >> >> > -----Original Message----- >> > From: ovs-dev-boun...@openvswitch.org [mailto:ovs-dev- >> > boun...@openvswitch.org] On Behalf Of Ian Stokes >> > Sent: Tuesday, June 20, 2017 1:57 PM >> > To: d...@openvswitch.org >> > Subject: [ovs-dev] [PATCH v1] docs: Use DPDK 16.11.2 stable release. >> > >> > Modify docs and travis linux build script to use the DPDK 16.11.2 >> stable >> > branch to benefit from most recent bug fixes. >> > >> > Signed-off-by: Ian Stokes <ian.sto...@intel.com> >> > --- >> > .travis/linux-build.sh | 2 +- >> > Documentation/faq/releases.rst | 2 +- >> > Documentation/intro/install/dpdk.rst | 6 +++--- >> > Documentation/topics/dpdk/vhost-user.rst | 8 ++++---- >> > 4 files changed, 9 insertions(+), 9 deletions(-) >> > >> > diff --git a/.travis/linux-build.sh b/.travis/linux-build.sh index >> > 8750d68..f66b534 100755 >> > --- a/.travis/linux-build.sh >> > +++ b/.travis/linux-build.sh >> > @@ -80,7 +80,7 @@ fi >> > >> > if [ "$DPDK" ]; then >> > if [ -z "$DPDK_VER" ]; then >> > - DPDK_VER="16.11.1" >> > + DPDK_VER="16.11.2" >> > fi >> > install_dpdk $DPDK_VER >> > if [ "$CC" = "clang" ]; then >> > diff --git a/Documentation/faq/releases.rst >> > b/Documentation/faq/releases.rst index 6a53e3b..707834b 100644 >> > --- a/Documentation/faq/releases.rst >> > +++ b/Documentation/faq/releases.rst >> > @@ -160,7 +160,7 @@ Q: What DPDK version does each Open vSwitch >> release >> > work with? >> > 2.4.x 2.0 >> > 2.5.x 2.2 >> > 2.6.x 16.07.2 >> > - 2.7.x 16.11.1 >> > + 2.7.x 16.11.2 >> > ============ ======= >> > >> > Q: I get an error like this when I configure Open vSwitch: >> > diff --git a/Documentation/intro/install/dpdk.rst >> > b/Documentation/intro/install/dpdk.rst >> > index e83f852..a05aa1a 100644 >> > --- a/Documentation/intro/install/dpdk.rst >> > +++ b/Documentation/intro/install/dpdk.rst >> > @@ -69,9 +69,9 @@ Install DPDK >> > #. Download the `DPDK sources`_, extract the file and set >> ``DPDK_DIR``:: >> > >> > $ cd /usr/src/ >> > - $ wget https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__fast.dpdk.org_rel_dpdk- >> 2D16.11.1.tar.xz&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih- >> uZnsw&m=88NoNvcZ8i84KcaxfVYNqAcbt6HZqEWwRBivO0a8ChQ&s=W- >> zvsIZPdDdXUqDNBAT0zYhAdY3WYLg2yTPJpUy4Uuo&e= >> > - $ tar xf dpdk-16.11.1.tar.xz >> > - $ export DPDK_DIR=/usr/src/dpdk-stable-16.11.1 >> > + $ wget https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__fast.dpdk.org_rel_dpdk- >> 2D16.11.2.tar.xz&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih- >> uZnsw&m=88NoNvcZ8i84KcaxfVYNqAcbt6HZqEWwRBivO0a8ChQ&s=wbLVYNpJZGtKTloAPxp3 >> 6_XAWi7oVNKTTb9ymPuxqoE&e= >> > + $ tar xf dpdk-16.11.2.tar.xz >> > + $ export DPDK_DIR=/usr/src/dpdk-stable-16.11.2 >> > $ cd $DPDK_DIR >> > >> > #. (Optional) Configure DPDK as a shared library diff --git >> > a/Documentation/topics/dpdk/vhost-user.rst >> > b/Documentation/topics/dpdk/vhost-user.rst >> > index 6b0bf9b..e76da5f 100644 >> > --- a/Documentation/topics/dpdk/vhost-user.rst >> > +++ b/Documentation/topics/dpdk/vhost-user.rst >> > @@ -292,9 +292,9 @@ To begin, instantiate a guest as described in >> > :ref:`dpdk-vhost-user` or DPDK sources to VM and build DPDK:: >> > >> > $ cd /root/dpdk/ >> > - $ wget https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__fast.dpdk.org_rel_dpdk- >> 2D16.11.1.tar.xz&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih- >> uZnsw&m=88NoNvcZ8i84KcaxfVYNqAcbt6HZqEWwRBivO0a8ChQ&s=W- >> zvsIZPdDdXUqDNBAT0zYhAdY3WYLg2yTPJpUy4Uuo&e= >> > - $ tar xf dpdk-16.11.1.tar.xz >> > - $ export DPDK_DIR=/root/dpdk/dpdk-stable-16.11.1 >> > + $ wget https://urldefense.proofpoint.com/v2/url?u=http- >> 3A__fast.dpdk.org_rel_dpdk- >> 2D16.11.2.tar.xz&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih- >> uZnsw&m=88NoNvcZ8i84KcaxfVYNqAcbt6HZqEWwRBivO0a8ChQ&s=wbLVYNpJZGtKTloAPxp3 >> 6_XAWi7oVNKTTb9ymPuxqoE&e= >> > + $ tar xf dpdk-16.11.2.tar.xz >> > + $ export DPDK_DIR=/root/dpdk/dpdk-stable-16.11.2 >> > $ export DPDK_TARGET=x86_64-native-linuxapp-gcc >> > $ export DPDK_BUILD=$DPDK_DIR/$DPDK_TARGET >> > $ cd $DPDK_DIR >> > @@ -378,7 +378,7 @@ Sample XML >> > </disk> >> > <disk type='dir' device='disk'> >> > <driver name='qemu' type='fat'/> >> > - <source dir='/usr/src/dpdk-stable-16.11.1'/> >> > + <source dir='/usr/src/dpdk-stable-16.11.2'/> >> > <target dev='vdb' bus='virtio'/> >> > <readonly/> >> > </disk> >> > -- >> > 1.7.0.7 >> > >> > _______________________________________________ >> > dev mailing list >> > d...@openvswitch.org >> > https://urldefense.proofpoint.com/v2/url?u=https- >> 3A__mail.openvswitch.org_mailman_listinfo_ovs- >> 2Ddev&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih- >> uZnsw&m=88NoNvcZ8i84KcaxfVYNqAcbt6HZqEWwRBivO0a8ChQ&s=L_AKvoFPHWz7QCFqbWKF >> dVrKLWxkFtdo6FCV5qrLROY&e= >> _______________________________________________ >> dev mailing list >> d...@openvswitch.org >> https://urldefense.proofpoint.com/v2/url?u=https- >> 3A__mail.openvswitch.org_mailman_listinfo_ovs- >> 2Ddev&d=DwICAg&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09CGX7JQ5Ih- >> uZnsw&m=88NoNvcZ8i84KcaxfVYNqAcbt6HZqEWwRBivO0a8ChQ&s=L_AKvoFPHWz7QCFqbWKF >> dVrKLWxkFtdo6FCV5qrLROY&e= >> > >_______________________________________________ >dev mailing list >d...@openvswitch.org >https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
