Oracle Sun Fire X4470 Product Notes page 43

Oracle Linux, SUSE Linux Enterprise Server (SLES), Red Hat Enterprise Linux (RHEL), and Oracle VM Known Issues
Bug ID Description
Supported InfiniBand devices use the mlx4_core device driver. Ignore the error messages about the
EHCA driver or disable attempts to automatically load the EHCA driver by editing the configuration
file /etc/infiniband/openib.conf to change
15608085 SLES 11 Produces Errors in Subnet Manager Start Script
Issue:
SLES 11 is unable to execute the subnet manager start script opensmd.
Affected Operating System:
■ SUSE Linux Enterprise Server (SLES) 11
Workaround:
This issue has been addressed with an SLES 11 kernel and OFED package update available from
Novell. Refer to the Novell Documentation Administration Guide for information on obtaining
updates using YaST Online Updater or use Novell patch finder at
patch/finder/
InfiniBand Driver Is Unable to Use MSI-X Interrupts
15608534
Issue:
The InfiniBand driver mlx4_core in SLES 10 SP3 cannot use MSI-X interrupts on systems with a
high number of CPUs.
Affected Operating System:
■ SUSE Linux Enterprise Server (SLES) 10 SP3
Workaround:
Load the InfiniBand driver with MSI-X interrupts disabled, using one of the following two methods:
■ Issue the following command to load the driver with MSI-X interrupts disabled:
modprobe mlx4_core msi_x=0
■ Add the following line to the file /etc/modprobe.conf.local so that mlx4_core will never use
options mlx4_core msi_x=0
15625335 SLES 11 Linux Kernel Panics When Attempting to Boot If No Memory or Nonworking
Memory Is Installed in CPU 0
Issue:
The SLES 11 Linux kernel requires that Processor (CPU) 0 has memory installed and that the
memory is in working order. If there is no memory for CPU 0, or if the memory for CPU 0 is
unusable, the SLES Linux kernel panics at every attempt to boot.
Affected Operating System:
■ SUSE Linux Enterprise Server (SLES) 11
MSI(X) when the driver is loaded:
to
EHCA_LOAD=yes EHCA_LOAD=no
http://download.novell.com/
Sun Fire X4470 Product Notes
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