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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https://bugs.launchpad.net/bugs/1453391
Title:
Very slow Qualcomm Atheros AR8121/AR8113/AR8114 Gigabit or Fast
Ethernet (rev b0)
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