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Bug 37637

Summary: gcc has problems compiling the kernel 2.4.3 with --march=k6
Product: [Retired] Red Hat Linux Reporter: Suchandra Thapa <s-thapa-11>
Component: gccAssignee: Jakub Jelinek <jakub>
Status: CLOSED NOTABUG QA Contact: David Lawrence <dkl>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.1   
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Hardware: i386   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 2001-04-25 17:28:13 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
kernel config file none

Description Suchandra Thapa 2001-04-25 16:45:59 UTC 
From Bugzilla Helper:
User-Agent: Mozilla/4.76 [en] (X11; U; Linux 2.4.3 i586)


Giving the processor type as k6 compiles the kernel with a -march=k6 flag
which seems to cause the problem.  Switching processor type to pentium tsc
allows the kernel to compile cleanly..  This problem didn't show up when I
was using gcc-2.96-69 but is present in gcc-2.96-81.

Reproducible: Always
Steps to Reproduce:
1. make menuconfig and choose k6 as processor
2. try to compile kernel
3.
	

Actual Results:  gcc -D__KERNEL__ -I/usr/src/linux-2.4.3/include -Wall
-Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing -pipe
-mpreferred-stack-boundary=2 -march=k6    -c -o setup.o setup.c
setup.c: In function `check_cx686_slop':
setup.c:1143: Internal error: Segmentation fault.
Please submit a full bug report.
Comment 1 Suchandra Thapa 2001-04-25 16:46:54 UTC 
Created attachment 16409 [details]
kernel config file
Comment 2 Bill Nottingham 2001-04-25 17:03:21 UTC 
*** Bug 37636 has been marked as a duplicate of this bug. ***
Comment 3 Jakub Jelinek 2001-04-25 17:15:33 UTC 
Is it reproduceable? If yes, can you run
gcc -D__KERNEL__ -I/usr/src/linux-2.4.3/include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing -mpreferred-stack-boundary=2 -march=k6    -c -o setup.o setup.c -save-temps -v
and attach here setup.i it creates?
Comment 4 Suchandra Thapa 2001-04-25 17:28:09 UTC 
No, apparently my memory or cpu is flaky because I'm getting seg faults in
random places during compilation.  Sorry about the spurious bug report.