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Fedora Core Linux on the IBM Thinkpad T21 Laptop
I had some Problems with Fedora Core 1 and 2 Linux on My IBM ThinkPad T21. These problems may apply to other versions of linux as well.
LOCKUP, FREEZE, CRASH - Running Xorg
Total Lockup when running xorg.
Note: I upgraded to Fedora Core 2. It has the same problem as Core 1.
The Cause
My IBM Thinkpad T21 (Model Type: 2647-57U) has a S3 Graphics Savage/IX 1014 Video Card Built in.
Apparently this card is known for freezing the Linux Desktop.
Solution (How To Fix It)
Edit /etc/X11/xorg.conf and adding the line: Option "ShadowStatus"
under Section "Device" for the S3 savage card.
Example: sudo nano /etc/X11/xorg.conf
It Should Look Something Like This:
Section "Device"
Identifier "Videocard0"
Driver "savage"
VendorName "Videocard vendor"
BoardName "S3 Savage/IX"
Option "ShadowSatus"
EndSection
NO NIC - Ethernet Broken
Problem with 3Com 10/100 Ethernet card not being recognized when using
a 2.6 kernel with ACPI enabled.
The Cause
This is a problem with the PCI power management and resource management,
which occurs when the ACPI subsystem is enabled.
It is tracked in issue 158725 (https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=158725)
in RedHat's Bugzilla and issue 1188 (http://bugzilla.kernel.org/show_bug.cgi?id=1188) in the kernel.org
Bugzilla. The former contains tentative kernel patches.
Solution (How To Fix It)
Disable ACPI-PCI control or ACPI in your grub.conf file.
Example: sudo gedit /boot/grub/grub.conf
Add one of the following kernel parameters (Try each in order):
* nolapic (disables support for local apic)
* acpi=nopci (disables PCI resource control of the ACPI subsystem)
* acpi=off (completely disables ACPI, should always work)