Red Hat ENTERPRISE 5.3 RELEASE NOTES Guia de Instalação descarregar pdf (Página 46)

On dual-GPU laptops, if one of the graphics chips is Intel-based, the Intel graphics mode cannot drive

any external digital connections (including HDMI, DVI, and DisplayPort). T his is a hardware limitation

of the Intel GPU. If you require external digital connections, configure the system to use the discrete

graphics chip (in the BIOS).

9.4. PowerPC Architectures

When using Alt-SysRq-W to debug, the following warning message will appear:

Badness in smp_call_function at arch/powerpc/kernel/smp.c:223

Afterwards, the system will also warn that it will hang. This message should be ignored as it will not

cause the system to hang.

Recording needs to be manually enabled on Dell M4300 and M6300. To do this, perform the

following steps:

1. Open alsam ixer.

2. Press T ab to toggle [Capture] in the View field (located at the upper left part of the menu).

3. Press the Space bar.

4. To verify that recording is enabled, the text above the ADCMux field should display L R

CAPT UR.

The size of the PPC kernel image is too large for OpenFirmware to support. Consequently, network

booting will fail, resulting in the following error message:

Please wait, loading kernel...

/pci@ 8000000f8000000/ide@ 4,1/disk@0:2,vmlinux-anaconda: No such file or

directory

boot:

To work around this:

1. Boot to the OpenFirmware prompt, by pressing the '8' key when the IBM splash screen is

displayed.

2. Run the following command:

setenv real-base 2000000

3. Boot into System Managment Services (SMS) with the command:

0> dev /packages/gui obe

9.5. s390x Architectures

When running Red Hat Enterprise Linux 5.2 on a z/VM that has more than 2GB of guest storage

defined, invalid data can be read from and written to any FCP and OSA device attached in QDIO

mode with the Queued-I/O assist (QIOASSIST) option enabled. If your system has any such devices

attached, Red Hat recommends that you download and install the corresponding z/VM Program

Temporary Fix (PTF) from the following link:

http://www-1.ibm.com/support/docview.wss?uid=isg1VM64306

It is not possible to directly read and convert a z/VM dump into a file. Instead, you should first copy

the dump from the z/VM reader into a Linux file system using vmur and convert the dump into a

Linux-readable file using vm convert.

The IBM System z does not provide a traditional Unix-style physical console. As such, Red Hat

9. Known Issues

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Red Hat ENTERPRISE 5.3 RELEASE NOTES Guia de Instalação Página 46