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Subject2.4.17-pre8 OOPS with RedHat gcc 3.1-0.10
On Mon, 10 Dec 2001, Wayne Whitney wrote:

> I recently upgraded to "gcc version 3.1 20011127 (Red Hat Linux
> Rawhide 3.1-0.10)". It compiles the recent 2.4.17-preX kernels

Well, it compiles them, but I get an oops on booting 2.4.17-pre8, for
example, almost immediately after init is launched. "gcc version 2.96
20000731 (Red Hat Linux 7.2 2.96-101.9)" works fine.

The output of ksymoops is below, there were two oopses actually. Since
the oopses occurred just after init started, and I don't have an initrd, I
believe there were no modules loaded. I captured the oopses via the line
printer console and had to type them back in. Too bad there is no floppy
disk console. I did double check my typing, but the standard disclaimers
apply.

Cheers,
Wayne


ksymoops 2.4.3 on i686 2.4.17-pre8. Options used
-v /usr/local/src/linux-2.4.17-pre8-gcc-3.1/vmlinux (specified)
-K (specified)
-L (specified)
-O (specified)
-m /boot/System.map-2.4.17-pre8-gcc-3.1 (specified)

Unable to handle kernel NULL pointer dereference at virtual address 0000002f printing eip:
c0106e56
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0106e56>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010292
eax: cfda5fc4 ebx: cfda4000 ecx: cfc7d2e8 edx: 00000001
esi: 00000080 edi: bffff860 ebp: 00000003 esp: cfda5f1c
ds: 0018 es: 0018 ss: 0018
Process rc.sysinit (pid: 10, stackpage=cfda50000)
Stack: 00000000 c0283100 cfc7d2e8 cfda4000 00000296 cfc7d2e8 c0142e54 00000000
cfda4000 00000000 00000000 00000000 cfda4000 cff28a40 cff28a40 fffffe00
cfc7d280 cfda4000 00000080 c0142fb4 cfc7d280 00000014 080708b0 cfc7d2e8
Call Trace: [<c0142e54>] [<c0142fb4>] [<c0139b87>] [<c0107e24>]
Code: 8b 45 2c 83 e0 03 83 f8 03 74 0d 81 c4 94 00 00 00 89 d0 5b

>>EIP; c0106e56 <do_signal+16/2d0> <=====
Trace; c0142e54 <pipe_wait+94/c0>
Trace; c0142fb4 <pipe_read+134/220>
Trace; c0139b86 <sys_read+86/110>
Trace; c0107e24 <io_check_error+34/50>
Code; c0106e56 <do_signal+16/2d0>
00000000 <_EIP>:
Code; c0106e56 <do_signal+16/2d0> <=====
0: 8b 45 2c mov 0x2c(%ebp),%eax <=====
Code; c0106e58 <do_signal+18/2d0>
3: 83 e0 03 and $0x3,%eax
Code; c0106e5c <do_signal+1c/2d0>
6: 83 f8 03 cmp $0x3,%eax
Code; c0106e5e <do_signal+1e/2d0>
9: 74 0d je 18 <_EIP+0x18> c0106e6e <do_signal+2e/2d0>
Code; c0106e60 <do_signal+20/2d0>
b: 81 c4 94 00 00 00 add $0x94,%esp
Code; c0106e66 <do_signal+26/2d0>
11: 89 d0 mov %edx,%eax
Code; c0106e68 <do_signal+28/2d0>
13: 5b pop %ebx

Unable to handle kernel NULL pointer dereference at virtual address 00000037 printing eip:
c0106e56
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0106e56>]
EFLAGS: 00010292
eax: c13cdfc4 ebx: c13cc000 ecx: 00000000 edx: 00000001
esi: 00000000 edi: bffff878 ebP; 0000000b esp: c13cdf1c
ds: 0018 es: 0018 ss: 0018
Process init (pid: 1, stackpage=c13cd000)
Stack: fffffdfe c014905c cff03140 00000004 c13cdf8c 000001da 00000001 00000004
00000060 00002107 00000000 00000000 0000002a 00001180 00000001 00000000
00000000 00000000 cff03148 00000000 00000000 cff03144 00001000 00000000
Call Trace: [<c014905c>] [<c0107324>]
Code: 8b 45 2c 83 e0 03 83 f8 03 74 0d 81 c4 94 00 00 00 89 d0 5b

>>EIP; c0106e56 <do_signal+16/2d0> <=====
Trace; c014905c <sys_select+1dc/580>
Trace; c0107324 <signal_return+14/18>
Code; c0106e56 <do_signal+16/2d0>
00000000 <_EIP>:
Code; c0106e56 <do_signal+16/2d0> <=====
0: 8b 45 2c mov 0x2c(%ebp),%eax <=====
Code; c0106e58 <do_signal+18/2d0>
3: 83 e0 03 and $0x3,%eax
Code; c0106e5c <do_signal+1c/2d0>
6: 83 f8 03 cmp $0x3,%eax
Code; c0106e5e <do_signal+1e/2d0>
9: 74 0d je 18 <_EIP+0x18> c0106e6e <do_signal+2e/2d0>
Code; c0106e60 <do_signal+20/2d0>
b: 81 c4 94 00 00 00 add $0x94,%esp
Code; c0106e66 <do_signal+26/2d0>
11: 89 d0 mov %edx,%eax
Code; c0106e68 <do_signal+28/2d0>
13: 5b pop %ebx


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