IEther-00 (iether) B.11.31.1210 Ethernet Driver Release Notes, Edition 2 (November 2012)

Table 8 HP-UX 11i v3 March 2011 fixes — IEther-00 B.11.31.1103 (continued)

DescriptionSR number

When a guest vNIC is created over the iether interface, the iether driver holds lock too

long during AVIO packet processing. This causes an HPVM host panic.

QXCR1001075909

When a guest vNIC is created over the iether interface, the iether driver receives packets

from AVIO guest and handles reset request from the AVIO guest simultaneously. Due to a

QXCR1001075915

problem in the locking mechanism, interface pointers can be reset to null, which causes an

HPVM host panic.

When a guest vNIC is created over the iether interface, HPVM guests with AVIO networking

receive duplicate multicast and broadcast packets from host.

QXCR1001082383

5 Known problems and limitations

The following problems and limitations are known to exist in this release:

• QXCR1001200917

Potentially poor network performance might be observed when operating the LAN card at

10Mb or 100Mb half-duplex. The following adapters could be impacted: AD221A, AD222A,

AD393A, and rx2800 LAN on Motherboard (LOM) adapters.

Workaround

The performance on these LAN adapters is fine when operating at 10, 100, or 1000Mb

full-duplex. Modify the speed/duplex settings accordingly.

• Ethernet parameter restrictions

For PCI and PCI-X LAN cards that use the iether driver, HP does not recommend changing

the default values of the following four tunables. It has been found that certain combinations

of these tunables (other than the default settings) could result in card hangs.

◦ send_max_bufs

◦ recv_max_bufs

◦ send_coal_ticks

◦ recv_coal_ticks

These tunables are not supported with PCI-E cards that use the iether driver.

6 Compatibility and installation requirements

This section describes the compatibility information and installation requirements for this release.

• For specific installation instructions, see the installation procedure or overview document for

your card.

• For detailed information on supported server platforms, operating systems, and firmware level

requirements, see the Ethernet Support Matrix.

These documents are available at:

http://www.hp.com/go/gigabit-ethernet-100bt-cards-docs

6.1 Operating system and version compatibility

This release is specific for HP-UX 11i v3 (B.11.31).

6.2 Hardware requirements

This version of IEther-00 runs on HP Integrity and HP 9000 servers with the HP-UX 11i v3 (B.11.31)

operating system.