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TAA07689 5 Tue May 6 19:09 wwc
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... since about 12 hours.
> What version of "objcopy" are people using? The more I look at the
panics > with "Code: 00 00 00 00 ...", the more I feel that they are the
result of > the ".text.lock" segment of the kernel simply missing.
It was both 2.8 and 2.7.0.9 (aka 970202). The .text.lock segment is
present. > objdump --headers vmlinux
vmlinux: file format elf32-i386
Sections:
Idx Name Size VMA LMA File off Algn
0 .text 000bfac6 c0100000 c0100000 00001000 2**4
CONTENTS, ALLOC, LOAD, READONLY, CODE
1 .text.lock 0000120e c01bfac6 c01bfac6 000f8000 2**0
CONTENTS, READONLY
2 .rodata 00017cbd c01c0cd4 c01c0cd4 000c0cd4 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
3 .kstrtab 00002f94 c01d8991 c01d8991 000d8991 2**0
CONTENTS, ALLOC, LOAD, READONLY, DATA
4 __ex_table 000016e8 c01db930 c01db930 000db930 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
5 __ksymtab 00000fb0 c01dd018 c01dd018 000dd018 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
6 .data 000125c8 c01ddfd0 c01ddfd0 000ddfd0 2**4
CONTENTS, ALLOC, LOAD, DATA
7 .text.init 00006581 c01f1000 c01f1000 000f1000 2**2
CONTENTS, ALLOC, LOAD, READONLY, CODE
8 .data.init 0000007c c01f7584 c01f7584 000f7584 2**2
CONTENTS, ALLOC, LOAD, DATA
9 .bss 0003a990 c01f8000 c01f8000 000f8000 2**3
ALLOC
10 .stab 00014910 00000000 00000000 000f9210 2**2
CONTENTS, READONLY, DEBUGGING
11 .stabstr 0000ef58 00000000 00000000 0010db20 2**0
CONTENTS, READONLY, DEBUGGING
12 .comment 000013c4 00000000 00000000 0011ca78 2**0
CONTENTS, READONLY
13 .note 000013c4 000013c4 000013c4 0011de3c 2**0
CONTENTS, READONLY
However the FileOffset of the .text.lock is not 00101000 as in your
example but 2**0
CONTENTS, READONLY
2 .rodata 00017cbd c01c0cd4 c01c0cd4 000c0cd4 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
3 .kstrtab 00002f94 c01d8991 c01d8991 000d8991 2**0
CONTENTS, ALLOC, LOAD, READONLY, DATA
4 __ex_table 000016e8 c01db930 c01db930 000db930 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
5 __ksymtab 00000fb0 c01dd018 c01dd018 000dd018 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
6 .data 000125c8 c01ddfd0 c01ddfd0 000ddfd0 2**4
CONTENTS, ALLOC, LOAD, DATA
7 .text.init 00006581 c01f1000 c01f1000 000f1000 2**2
CONTENTS, ALLOC, LOAD, READONLY, CODE
8 .data.init 0000007c c01f7584 c01f7584 000f7584 2**2
CONTENTS, ALLOC, LOAD, DATA
9 .bss 0003a990 c01f8000 c01f8000 000f8000 2**3
ALLOC
10 .stab 00014910 00000000 00000000 000f9210 2**2
CONTENTS, READONLY, DEBUGGING
11 .stabstr 0000ef58 00000000 00000000 0010db20 2**0
CONTENTS, READONLY, DEBUGGING
12 .comment 000013c4 00000000 00000000 0011ca78 2**0
CONTENTS, READONLY
13 .note 000013c4 000013c4 000013c4 0011de3c 2**0
CONTENTS, READONLY
However the FileOffset of the .text.lock is not 00101000 as in your
example but 000f8000.
> 1 .text.lock 00001223 c01c5a57 c01c5a57 00101000 2**0
> CONTENTS, READONLY
Does the
: current->tss.cr3 = 00101000, %cr3 = 00101000
of the crashlogs indicate that the .text.lock segment is searched
there?
Wolfgang
(trying to have a clue ,-)
-- _/ _/ _/ _/ _/_/_/ . Wolfgang Wander HERMES Collaboration _/ _/ _/ _/ _/ . DESY Hamburg Email: Wolfgang.Wander@desy.de _/_/_/ _/_/_/ _/ . Notkestr. 85 Tel: +49 40 8998 4638 Fax: -4034 _/_/_/ _/_/_/ _/_/_/ . 22603 Hamburg http://www-hermes.desy.de/wander.html