Red Hat Enterprise Linux 5.4 Support Notes for HP Integrity Servers (5900-0401, December 2009)

3. To start salinfod without rebooting:
service salinfod start
• Contiguous memory unavailable on cell-based server causing an MCA
When Linux boots on an HP Integrity mid-range or high-end cellular server with
discontiguous memory, a cell may boot to a state in which it has too little contiguous memory
available and could cause an MCA.
If this occurs, try one of the following methods to resolve the problem:
— Change the memory configuration so that the memory in each cell is equal
— Change the CLM (Cell Local Memory) setting to increase the size of contiguous memory.
— If the system was working previously, at the EFI prompt, run the pdt command. If
there are PDT entries, consider replacing the bad memory identified.
Software
• 32-bit emulation and other 32-bit functionality
The 32-bit emulation is not automatically installed with RHEL 5.4. To obtain this functionality,
install the ia32el package from the Red Hat Enterprise Linux 5 Supplementary CD.
You can install any additional compatibility binaries needed from the Red Hat Enterprise
Linux 5 Supplementary CD. For instructions, see the Red Hat Enterprise Linux 5 Release Notes
as described in “Installation Documentation” (page 8).
• Use of the cdrecord program
The cdrecord program may hang when burning a CD-RW disk with unsupported media
using certain models of CD/DVD combo and DVD+RW drives shipped in rx1620, rx2620,
and rx4640 servers. Use only approved HP CD-RW media to prevent burn hangs. Try
different brands of media if HP media is not available.
In addition, when using cdrecord to burn a disc, you may need to eject the disc and reinsert
before you can mount it.
Known Issues 15