Fix formatting
Change-Id: I2950468867079e89faa28c0a440754719d3bc0ab
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@ -18,50 +18,50 @@ This section lists known issues in this release:
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a node and clicking :guilabel:`Configure Disks`.
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See `LP1490597 <https://bugs.launchpad.net/bugs/1490597>`_.
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* A system with CentOS-7.2 and e1000 network interface may become temporarily
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* A system with CentOS 7.2 and e1000 network interface may become temporarily
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unresponsive with the system log entries similar to the following ones:
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.. code-block:: console
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.. code-block:: console
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[ 2045.553869] e1000 0000:00:03.0 enp0s3: Detected Tx Unit Hang
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[ 2045.553869] Tx Queue <0>
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[ 2045.553869] TDH <3>
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[ 2045.553869] TDT <3>
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[ 2045.553869] next_to_use <de>
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[ 2045.553869] next_to_clean <3>
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[ 2045.553869] buffer_info[next_to_clean]
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[ 2045.553869] time_stamp <1001a8c59>
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[ 2045.553869] next_to_watch <16>
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[ 2045.553869] jiffies <1001aa291>
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[ 2045.553869] next_to_watch.status <0>
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[ 2046.720054] ------------[ cut here ]------------
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[ 2046.720084] WARNING: at net/sched/sch_generic.c:297
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dev_watchdog+0x270/0x280()
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[ 2046.720100] NETDEV WATCHDOG: enp0s3 (e1000): transmit queue 0 timed out
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[ 2046.720104] Modules linked in: loop xt_CHECKSUM iptable_mangle nf_log_ipv4
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nf_log_common xt_LOG xt_limit ipt_MASQUERADE nf_nat_masque
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[ 2046.721693] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
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3.10.0-327.3.1.el7.x86_64 #1
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[ 2046.721693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
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BIOS 1.7.5-20151012_155810-obs-1 04/01/2014
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[ 2046.721693] ffff88007fc03d88 76f0075ca754d7b4 ffff88007fc03d40 ffffffff8163516c
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[ 2046.721693] ffff88007fc03d78 ffffffff8107b200 0000000000000000 ffff88007a352000
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[ 2046.721693] ffff88007878ac80 0000000000000001 0000000000000000 ffff88007fc03de0
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[ 2046.721693] Call Trace:
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[ 2046.721693] <IRQ> [<ffffffff8163516c>] dump_stack+0x19/0x1b
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[ 2046.721693] [<ffffffff8107b200>] warn_slowpath_common+0x70/0xb0
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[ 2046.721693] [<ffffffff8107b29c>] warn_slowpath_fmt+0x5c/0x80
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[ 2046.721693] [<ffffffff8154ca50>] dev_watchdog+0x270/0x280
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[ 2046.721693] [<ffffffff8154c7e0>] ? dev_graft_qdisc+0x80/0x80
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[ 2046.721693] [<ffffffff8108b0a6>] call_timer_fn+0x36/0x110
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[ 2046.721693] [<ffffffff8154c7e0>] ? dev_graft_qdisc+0x80/0x80
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[ 2046.721693] [<ffffffff8108dd97>] run_timer_softirq+0x237/0x340
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[ 2046.721693] [<ffffffff81084b0f>] __do_softirq+0xef/0x280
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[ 2046.721693] [<ffffffff816471dc>] call_softirq+0x1c/0x30
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[ 2046.721693] [<ffffffff81016fc5>] do_softirq+0x65/0xa0
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[ 2046.721693] [<ffffffff81084ea5>] irq_exit+0x115/0x120
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[ 2046.721693] [<ffffffff81647e55>] smp_apic_timer_interrupt+0x45/0x60
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[ 2046.721693] [<ffffffff8164651d>] apic_timer_interrupt+0x6d/0x80
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[ 2045.553869] e1000 0000:00:03.0 enp0s3: Detected Tx Unit Hang
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[ 2045.553869] Tx Queue <0>
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[ 2045.553869] TDH <3>
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[ 2045.553869] TDT <3>
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[ 2045.553869] next_to_use <de>
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[ 2045.553869] next_to_clean <3>
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[ 2045.553869] buffer_info[next_to_clean]
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[ 2045.553869] time_stamp <1001a8c59>
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[ 2045.553869] next_to_watch <16>
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[ 2045.553869] jiffies <1001aa291>
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[ 2045.553869] next_to_watch.status <0>
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[ 2046.720054] ------------[ cut here ]------------
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[ 2046.720084] WARNING: at net/sched/sch_generic.c:297
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dev_watchdog+0x270/0x280()
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[ 2046.720100] NETDEV WATCHDOG: enp0s3 (e1000): transmit queue 0 timed out
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[ 2046.720104] Modules linked in: loop xt_CHECKSUM iptable_mangle nf_log_ipv4
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nf_log_common xt_LOG xt_limit ipt_MASQUERADE nf_nat_masque
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[ 2046.721693] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
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3.10.0-327.3.1.el7.x86_64 #1
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[ 2046.721693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
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BIOS 1.7.5-20151012_155810-obs-1 04/01/2014
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[ 2046.721693] ffff88007fc03d88 76f0075ca754d7b4 ffff88007fc03d40 ffffffff8163516c
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[ 2046.721693] ffff88007fc03d78 ffffffff8107b200 0000000000000000 ffff88007a352000
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[ 2046.721693] ffff88007878ac80 0000000000000001 0000000000000000 ffff88007fc03de0
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[ 2046.721693] Call Trace:
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[ 2046.721693] <IRQ> [<ffffffff8163516c>] dump_stack+0x19/0x1b
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[ 2046.721693] [<ffffffff8107b200>] warn_slowpath_common+0x70/0xb0
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[ 2046.721693] [<ffffffff8107b29c>] warn_slowpath_fmt+0x5c/0x80
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[ 2046.721693] [<ffffffff8154ca50>] dev_watchdog+0x270/0x280
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[ 2046.721693] [<ffffffff8154c7e0>] ? dev_graft_qdisc+0x80/0x80
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[ 2046.721693] [<ffffffff8108b0a6>] call_timer_fn+0x36/0x110
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[ 2046.721693] [<ffffffff8154c7e0>] ? dev_graft_qdisc+0x80/0x80
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[ 2046.721693] [<ffffffff8108dd97>] run_timer_softirq+0x237/0x340
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[ 2046.721693] [<ffffffff81084b0f>] __do_softirq+0xef/0x280
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[ 2046.721693] [<ffffffff816471dc>] call_softirq+0x1c/0x30
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[ 2046.721693] [<ffffffff81016fc5>] do_softirq+0x65/0xa0
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[ 2046.721693] [<ffffffff81084ea5>] irq_exit+0x115/0x120
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[ 2046.721693] [<ffffffff81647e55>] smp_apic_timer_interrupt+0x45/0x60
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[ 2046.721693] [<ffffffff8164651d>] apic_timer_interrupt+0x6d/0x80
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The issue is with both hardware and virtual e1000 network interface.
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@ -82,38 +82,38 @@ This section lists known issues in this release:
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* Disable TSO offloading -- run-time only: Disable the setting in run-time
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with the command:
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.. code-block:: console
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.. code-block:: console
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ethtool -K <ifname> tso off
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ethtool -K <ifname> tso off
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* Disable TSO offloading -- persistent change: To make the change persistent,
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create a script that will set this option on every 'ifup':
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#. Create an empty file:
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#. Create an empty file:
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.. code-block:: console
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.. code-block:: console
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touch /sbin/ifup-local
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touch /sbin/ifup-local
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#. Make the file executable:
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#. Make the file executable:
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.. code-block:: console
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.. code-block:: console
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chmod +x /sbin/ifup-local
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chmod +x /sbin/ifup-local
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#. Put the following lines into the file:
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#. Put the following lines into the file:
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.. code-block:: console
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.. code-block:: console
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#!/bin/bash
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if [[ -z "${1}" ]]; then
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exit
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fi
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devpath=$(readlink -m /sys/class/net/${1})
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if [[ "${devpath}" == /sys/devices/virtual/* ]]; then
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exit
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fi
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ethtool -K ${1} tso off
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#!/bin/bash
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if [[ -z "${1}" ]]; then
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exit
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fi
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devpath=$(readlink -m /sys/class/net/${1})
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if [[ "${devpath}" == /sys/devices/virtual/* ]]; then
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exit
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fi
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ethtool -K ${1} tso off
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* Deployment with enabled SR-IOV fails on some hardware with
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the "sriov_iommu_check" entry in the log.
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