OOPS (2.3.33, NEC Versa LX laptop) boots with image on floppy, fails

David Ford (david+nospam@killerlabs.com)
Thu, 16 Dec 1999 18:23:36 -0800 (PST)

Strange. booting this exact kernel via floppy works fine and dandy, booting
the same image via LILO results in the following OOPS.

Floppy boot:
<...>
Real Time Clock Driver v1.09b
Non-volatile memory driver v1.0
ACPI: "NEC" found at 0x000f9f20
Linux agpgart interface v0.99 (c) Jeff Hartmann
<...>

LILO boot:
<...>
Real Time Clock Driver v1.09b
Non-volatile memory driver v1.0
ACPI: "NEC" found at 0x000f9f20
kfree: Bad obj cbff8740
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c012777b
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c012777b>]
EFLAGS: 00010286
eax: 0000001b ebx: c132fbd0 ecx: c02c96b4 edx: c02c96b4
esi: cbff8740 edi: cc800000 ebp: c00f9f20 esp: c133bf5c
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 1, stackpage=c133b000)
Stack: cbff8740 0bff8000 cc800000 c00f9f20 cbff8740 c0126180 cbff8740 cc804000
00002000 00000000 c0111f97 cc804000 c02f2b06 cc804000 00000001 cc800024
c02f2c93 0bff8000 c030fd88 c02e7fd8 00000000 00001000 0043454e 00000000
Call Trace: [<cc800000>] [<c0126180>] [<cc804000>] [<c0111f97>] [<cc804000>] [<cc804000>] [<cc800024>]
[<c02a7cea>] [<c02a7ce3>] [<c0107097>] [<c010a058>]
Code: c7 05 00 00 00 00 00 00 00 00 83 c4 08 5b 5e 5f 5d 59 c3 89

>>EIP; c012777b <kfree+19b/1b0> <=====
Trace; cc800000 <END_OF_CODE+c46c83c/????>
Trace; c0126180 <vfree+30/70>
Trace; cc804000 <END_OF_CODE+c47083c/????>
Trace; c0111f97 <iounmap+17/20>
Trace; cc804000 <END_OF_CODE+c47083c/????>
Trace; cc804000 <END_OF_CODE+c47083c/????>
Trace; cc800024 <END_OF_CODE+c46c860/????>
Trace; c02a7cea <days_in_mo+3a6/12c4>
Trace; c02a7ce3 <days_in_mo+39f/12c4>
Trace; c0107097 <init+7/110>
Trace; c010a058 <kernel_thread+28/40>
Code; c012777b <kfree+19b/1b0>
00000000 <_EIP>:
Code; c012777b <kfree+19b/1b0> <=====
0: c7 05 00 00 00 00 00 movl $0x0,0x0 <=====
Code; c0127782 <kfree+1a2/1b0>
7: 00 00 00
Code; c0127785 <kfree+1a5/1b0>
a: 83 c4 08 addl $0x8,%esp
Code; c0127788 <kfree+1a8/1b0>
d: 5b popl %ebx
Code; c0127789 <kfree+1a9/1b0>
e: 5e popl %esi
Code; c012778a <kfree+1aa/1b0>
f: 5f popl %edi
Code; c012778b <kfree+1ab/1b0>
10: 5d popl %ebp
Code; c012778c <kfree+1ac/1b0>
11: 59 popl %ecx
Code; c012778d <kfree+1ad/1b0>
12: c3 ret
Code; c012778e <kfree+1ae/1b0>
13: 89 00 movl %eax,(%eax)

-- 




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