Bug 55017 - kernel 2.4.9 has 1Gb memory limit
kernel 2.4.9 has 1Gb memory limit
Product: Red Hat Linux
Classification: Retired
Component: up2date (Show other bugs)
i586 Linux
medium Severity medium
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Assigned To: Adrian Likins
Brock Organ
Depends On:
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Reported: 2001-10-24 10:16 EDT by Ron Yorgason
Modified: 2007-04-18 12:37 EDT (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2001-10-24 16:06:15 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Ron Yorgason 2001-10-24 10:16:33 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.78 [en] (X11; U; Linux 2.4.9-7 i686)

Description of problem:
I used up2date to get the latest kernel from RedHat, kernel 2.4.9-7.  But
after I installed it, my memory as shown in 'top' was only 900Mb instead of
1.5Gb.  Whoever made this kernel didn't enable the '> 1Gb RAM' option in
the kernel.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Install > 1Gb RAM in system
2. Boot to 2.4.9-7 kernel
3. See only 900Mb of RAM

Actual Results:  I see only 900Mb of RAM

Expected Results:  I should've seen 1.5Gb, as the RH kernel 2.4.7 showed

Additional info:
Comment 1 Arjan van de Ven 2001-10-24 10:22:44 EDT
Can you run the following command to see which architecture kernel you have

rpm -q --qf "%{ARCH}" kernel
Comment 2 Ron Yorgason 2001-10-24 10:26:47 EDT
rpm -q --qf "%{ARCH}" kernel
Comment 3 Arjan van de Ven 2001-10-24 10:34:56 EDT
Ok so you have an athlon kernel and an i386 kernel...
the second one will be the one up2date send you; the i386 kernel doesn't have
support for > 1Gb indeed; the athlon and i686 ones do.

I'll assign this bug to up2date as that's where the bug is;
to get your system back to working the easiest will be to manually download the
athlon 2.4.9-7 rpm and rpm -e kernel-2.4.9-7 and then rpm -i the downloaded
athlon kernel.
Comment 4 Adrian Likins 2001-10-24 16:06:11 EDT
The next version of the client will properly handle athlon kernels.
Comment 5 Adrian Likins 2002-05-08 18:09:46 EDT
This should be fixed in all current versions of the client.

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