Bug 47341 - gcc 2.96 fails to compile kernel 2.4.6 sg driver
Summary: gcc 2.96 fails to compile kernel 2.4.6 sg driver
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: gcc   
(Show other bugs)
Version: 7.1
Hardware: i386
OS: Linux
Target Milestone: ---
Assignee: Jakub Jelinek
QA Contact: David Lawrence
Depends On:
TreeView+ depends on / blocked
Reported: 2001-07-04 21:35 UTC by Laurent CREPET
Modified: 2007-04-18 16:34 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2001-07-12 13:47:50 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Laurent CREPET 2001-07-04 21:35:04 UTC
From Bugzilla Helper:
User-Agent: Mozilla/4.77 [en] (X11; U; Linux 2.4.2-2 i686)

Description of problem:
[lct@tealc lct]$ rpm -qa | grep gcc

How reproducible:

Steps to Reproduce:
1. make menuconfig
2. make dep
3. make bzImage

=> it fails on sg driver...

Actual Results:  gcc -D__KERNEL__
-I/home/lct/build/linux-kernel/2.4.x/include -Wall -Wstrict-prototypes
-Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -pipe
-mpreferred-stack-boundary=2 -march=i686    -c -o sg.o sg.c
sg.c: In function `sg_proc_dressz_read':
sg.c:2567: Internal error: Segmentation fault.
Please submit a full bug report.
See <URL:http://bugzilla.redhat.com/bugzilla/> for instructions.
make[3]: *** [sg.o] Error 2
make[3]: Leaving directory
make[2]: *** [first_rule] Error 2
make[2]: Leaving directory
make[1]: *** [_subdir_scsi] Error 2
make[1]: Leaving directory `/home/lct/build/linux-kernel/2.4.x/drivers'
make: *** [_dir_drivers] Error 2

Expected Results:  ...compiling...

Additional info:

Comment 1 Jakub Jelinek 2001-07-12 09:56:59 UTC
Is it always reproducible on the same file/function?
If not, it is probably hardware problem, if yes, then please mail me exact
preprocessor output (add -save-temps to the above and attach here sg.i;
though AFAIK we are compiling 2.4.6's sg just fine here with that compiler).

Comment 2 Laurent CREPET 2001-07-12 12:36:37 UTC
Yes, it seems to be reproductible. I tried 3 or 4 to compile, than every try has
failed on sg.o !
That what I set:
> How reproducible:
> Always
when I submit the problem.

What kind of hardware problem do you think off ? Bad memory chip ?
I think I'll download and run memtest86 to check.

Comment 3 Laurent CREPET 2001-07-12 13:47:46 UTC
Done again from:
  - my old kernel tree
  - a new one, extracted from linux-2.4.6.tar.bz2 from www.kernel.org
  - a new one, made with 2.4.0 sources, plus all 2.4.1 to 2.4.6 patches
     (using scripts/patch_kernel <kernel tree path> <patches path>

All compile ! Don't understand.
I'll run memtest86 to check if it is something with bad memory chip.
The main problem is that I don't remember what was running when I tried to
compile the kernel, and the compilation failed... Don't remember if the system
was heavy loaded or not...

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