Bug 214338 - Must specify RAM size to get kernel to boot
Must specify RAM size to get kernel to boot
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
x86_64 Linux
medium Severity low
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Assigned To: Kernel Maintainer List
Brian Brock
: 214339 (view as bug list)
Depends On:
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Reported: 2006-11-06 22:53 EST by Andrew York
Modified: 2008-08-02 19:40 EDT (History)
3 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2008-01-07 19:30:42 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Andrew York 2006-11-06 22:53:43 EST
Description of problem:
Boot will hang up when either installing or booting after install if I do not 
specify how much RAM I have.

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

How reproducible:

Steps to Reproduce:
1.  Try to boot kernel w/o mem=4G.  Locks up.
Actual results:
Boot hangs

Expected results:
Either the install program should run or you should get to login prompt (after 

Additional info:
Pentium Core Duo 2 (~1.66)
SATA ACHI mode 300GB x 3
Gigabyte GA-965P-DQ6

I must pass "nodmraid mem=4G" to get kerenl to boot cleanly.  This bug is only 
against having to specify RAM size.
Comment 1 Andrew York 2006-11-06 23:04:06 EST
*** Bug 214339 has been marked as a duplicate of this bug. ***
Comment 2 Zhang Yanmin 2006-11-13 00:14:37 EST
1) Is kernel 2.6.18-1.2798.fc5 or 2.6.18-1.2798.fc6?

2) From the additional info, it is an i386 machine instead of ia64.

Comment 3 Dan Carpenter 2006-11-13 00:31:22 EST
Could you post your dmesg using mem=4G.  Also if you have a digital camera,
remove the "quiet" from the kernel cmdline and take a picture of the lockup.

Did this work before 2.6.18-1.2798.fc5 or did it never work?
Comment 4 Andrew York 2006-11-13 11:52:24 EST
(In reply to comment #2)
> 1) Is kernel 2.6.18-1.2798.fc5 or 2.6.18-1.2798.fc6?
Sorry FC6.  

Linux localhost.localdomain 2.6.18-1.2798.fc6 #1 SMP Mon Oct 16 14:39:22 EDT 
2006 x86_64 x86_64 x86_64 GNU/Linux

> 2) From the additional info, it is an i386 machine instead of ia64.
I guess processor may really be 32-bit, but I'm running 64 bit Linux and Vista 
without a problem. (well other than the one above)

Comment 5 Zhang Yanmin 2006-11-13 20:56:27 EST
So it's a x86_64 machine, not an Itanium (IA64) machine.
Comment 6 Andrew York 2006-11-15 16:10:32 EST
Sorry, my mistake. 
Comment 7 Jon Stanley 2007-12-31 17:03:10 EST

I'm reviewing this bug as part of the kernel bug triage project, an attempt to
isolate current bugs in the Fedora kernel.


I am CC'ing myself to this bug, however this version of Fedora is no longer

Please attempt to reproduce this bug with a current version of Fedora (presently
Fedora 8). If the bug no longer exists, please close the bug or I'll do so in a
few days if there is no further information lodged.

Thanks for using Fedora!
Comment 8 Jon Stanley 2008-01-07 19:30:42 EST
Closing per previous comment.  If you can provide the requested information,
please feel free to re-open this bug.

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