Bug 9577 - CONFIG_2GB breaks initrd
Summary: CONFIG_2GB breaks initrd
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: kernel
Version: 6.1
Hardware: i386
OS: Linux
medium
high
Target Milestone: ---
Assignee: Michael K. Johnson
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2000-02-19 02:13 UTC by Michael S. Fischer
Modified: 2008-05-01 15:37 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2000-02-19 02:13:54 UTC
Embargoed:

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Description Michael S. Fischer 2000-02-19 02:13:54 UTC 
I've tried to rebuild the stock 6.1 kernel RPM for 2GB RAM support by
replacing the kernel*i686*config files that are provided with the kernel
(changing CONFIG_1GB=y to CONFIG_2GB=y) and rebuilding the binary RPMS.

However, after installing the new RPM on a test system, the kernel refuses
to mount the root device, because the initrd is clobbered at boot -- the
following message appears:

kernel: initrd overwritten (0x80fb4000 < 0x815ba04c) - disabling it.

It's imperative you look at this before 6.2 is released, or that you
document that 6.2 does NOT support 2GB RAM configurations.
Comment 1 Ben LaHaise 2000-10-04 22:06:17 UTC 
This is resolved by using the enterprise kernel which contains BIGMEM support
for >1GB.
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