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[Cy King <cy.alexander.king@xxxxxxxxx>]

Public bug reported:

After upgrading form Ubuntu 14.04 to Ubuntu 15.04, my gigabit ethernet
controller is performing very very poorly.  I get < 10mb throughput.

------

lspic:

02:00.0  controller: Qualcomm Atheros AR8121/AR8113/AR8114 Gigabit or
Fast Ethernet (rev b0)

lshw:
        *-pci:4
             description: PCI bridge
             product: 82801JI (ICH10 Family) PCI Express Root Port 6
             vendor: Intel Corporation
             physical id: 1c.5
             bus info: pci@0000:00:1c.5
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport
             resources: irq:28 ioport:c000(size=4096) memory:fe800000-fe8fffff ioport:f0800000(size=2097152)
           *-network
                description: Ethernet interface
                product: AR8121/AR8113/AR8114 Gigabit or Fast Ethernet
                vendor: Qualcomm Atheros
                physical id: 0
                bus info: pci@0000:02:00.0
                logical name: eth0
                version: b0
                serial: XX:XX:XX:XX:XX:XX
                size: 1Gbit/s
                capacity: 1Gbit/s
                width: 64 bits
                clock: 33MHz
                capabilities: bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=ATL1E driverversion=1.0.0.7-NAPI duplex=full firmware=L1e ip=XX.XX.XX.XX latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
                resources: irq:17 memory:fe8c0000-fe8fffff ioport:cc00(size=128)

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: ar8113 ar8114 ar8121 atheros gigabit ualcomm

** Description changed:

- After upgrading form Ubuntu 14.04 to Ubuntu 15.04, my gigabit controller
- is performing very very poorly.  I get < 10mb throughput.
+ After upgrading form Ubuntu 14.04 to Ubuntu 15.04, my gigabit ethernet
+ controller is performing very very poorly.  I get < 10mb throughput.
  
  ------
  
  lspic:
  
- 02:00.0 Ethernet controller: Qualcomm Atheros AR8121/AR8113/AR8114
- Gigabit or Fast Ethernet (rev b0)
+ 02:00.0  controller: Qualcomm Atheros AR8121/AR8113/AR8114 Gigabit or
+ Fast Ethernet (rev b0)
  
  lshw:
-         *-pci:4
-              description: PCI bridge
-              product: 82801JI (ICH10 Family) PCI Express Root Port 6
-              vendor: Intel Corporation
-              physical id: 1c.5
-              bus info: pci@0000:00:1c.5
-              version: 00
-              width: 32 bits
-              clock: 33MHz
-              capabilities: pci normal_decode bus_master cap_list
-              configuration: driver=pcieport
-              resources: irq:28 ioport:c000(size=4096) memory:fe800000-fe8fffff ioport:f0800000(size=2097152)
-            *-network
-                 description: Ethernet interface
-                 product: AR8121/AR8113/AR8114 Gigabit or Fast Ethernet
-                 vendor: Qualcomm Atheros
-                 physical id: 0
-                 bus info: pci@0000:02:00.0
-                 logical name: eth0
-                 version: b0
-                 serial: XX:XX:XX:XX:XX:XX
-                 size: 1Gbit/s
-                 capacity: 1Gbit/s
-                 width: 64 bits
-                 clock: 33MHz
-                 capabilities: bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
-                 configuration: autonegotiation=on broadcast=yes driver=ATL1E driverversion=1.0.0.7-NAPI duplex=full firmware=L1e ip=XX.XX.XX.XX latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
-                 resources: irq:17 memory:fe8c0000-fe8fffff ioport:cc00(size=128)
+         *-pci:4
+              description: PCI bridge
+              product: 82801JI (ICH10 Family) PCI Express Root Port 6
+              vendor: Intel Corporation
+              physical id: 1c.5
+              bus info: pci@0000:00:1c.5
+              version: 00
+              width: 32 bits
+              clock: 33MHz
+              capabilities: pci normal_decode bus_master cap_list
+              configuration: driver=pcieport
+              resources: irq:28 ioport:c000(size=4096) memory:fe800000-fe8fffff ioport:f0800000(size=2097152)
+            *-network
+                 description: Ethernet interface
+                 product: AR8121/AR8113/AR8114 Gigabit or Fast Ethernet
+                 vendor: Qualcomm Atheros
+                 physical id: 0
+                 bus info: pci@0000:02:00.0
+                 logical name: eth0
+                 version: b0
+                 serial: XX:XX:XX:XX:XX:XX
+                 size: 1Gbit/s
+                 capacity: 1Gbit/s
+                 width: 64 bits
+                 clock: 33MHz
+                 capabilities: bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
+                 configuration: autonegotiation=on broadcast=yes driver=ATL1E driverversion=1.0.0.7-NAPI duplex=full firmware=L1e ip=XX.XX.XX.XX latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
+                 resources: irq:17 memory:fe8c0000-fe8fffff ioport:cc00(size=128)

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1453391

Title:
  Very slow Qualcomm Atheros AR8121/AR8113/AR8114 Gigabit or Fast
  Ethernet (rev b0)

Status in linux package in Ubuntu:
  New

Bug description:
  After upgrading form Ubuntu 14.04 to Ubuntu 15.04, my gigabit ethernet
  controller is performing very very poorly.  I get < 10mb throughput.

  ------

  lspic:

  02:00.0  controller: Qualcomm Atheros AR8121/AR8113/AR8114 Gigabit or
  Fast Ethernet (rev b0)

  lshw:
          *-pci:4
               description: PCI bridge
               product: 82801JI (ICH10 Family) PCI Express Root Port 6
               vendor: Intel Corporation
               physical id: 1c.5
               bus info: pci@0000:00:1c.5
               version: 00
               width: 32 bits
               clock: 33MHz
               capabilities: pci normal_decode bus_master cap_list
               configuration: driver=pcieport
               resources: irq:28 ioport:c000(size=4096) memory:fe800000-fe8fffff ioport:f0800000(size=2097152)
             *-network
                  description: Ethernet interface
                  product: AR8121/AR8113/AR8114 Gigabit or Fast Ethernet
                  vendor: Qualcomm Atheros
                  physical id: 0
                  bus info: pci@0000:02:00.0
                  logical name: eth0
                  version: b0
                  serial: XX:XX:XX:XX:XX:XX
                  size: 1Gbit/s
                  capacity: 1Gbit/s
                  width: 64 bits
                  clock: 33MHz
                  capabilities: bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
                  configuration: autonegotiation=on broadcast=yes driver=ATL1E driverversion=1.0.0.7-NAPI duplex=full firmware=L1e ip=XX.XX.XX.XX latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
                  resources: irq:17 memory:fe8c0000-fe8fffff ioport:cc00(size=128)

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