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Subject2.4. continues after Aieee...
Date
From

Shouldn't the system be "halted" after an "Aiee, killing interrupt
handler"?


Modem status change from 0x63 to 0xf3
Unable to handle kernel NULL pointer dereference at virtual address 00000629
printing eip:
c4854fcc
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c4854fcc>]
EFLAGS: 00010002
eax: 00000620 ebx: c1e80000 ecx: c1f28000 edx: 00000000
esi: c2749800 edi: 000000f3 ebp: c3ba6000 esp: c26d7dc0
ds: 0018 es: 0018 ss: 0018
Process agetty (pid: 299, stackpage=c26d7000)
Stack: c487f3e3 c3ba6578 c487f3e2 00000212 00000145 00010082 c487f3e9 00000246
c3ba6578 c487f3e8 c4855603 c1e80000 00000002 c3ba6000 c487f3e2 c3ba6000
0000000b c3ba6000 c26d7eb4 c0274400 00000002 0002001d c4859d8f c1e80000
Call Trace: [<c487f3e3>] [<c487f3e2>] [<c487f3e9>] [<c487f3e8>] [<c4855603>] [<c487f3e2>] [<c4859d8f>]
[<c484f358>] [<c484f471>] [<c010b681>] [<c010b7f2>] [<c010a4e0>] [<c0116ce9>] [<c0122a4d>] [<c01233ed>]
[<c0123683>] [<c01235bc>] [<c014c87c>] [<c012e032>] [<c010a423>]
Code: f6 40 09 08 0f 85 22 01 00 00 8b 86 bc 00 00 00 a8 06 0f 84
Aiee, killing interrupt handler
Scheduling in interrupt
kernel BUG at sched.c:692!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0116019>]
EFLAGS: 00010292
eax: 0000001b ebx: 00000000 ecx: c1f28000 edx: 00000000
esi: 00000000 edi: 0000000b ebp: c26d7cb8 esp: c26d7c68
ds: 0018 es: 0018 ss: 0018
Process agetty (pid: 299, stackpage=c26d7000)
Stack: c01eb041 c01eb216 000002b4 c1172160 c26d6000 0000000b 00000282 c26d6000
00000020 00000086 00000000 c3fca000 c26d6000 c26d6000 c011a9cf c26d6000
c1172160 00000000 c26d6000 00000629 00000629 c011abca 00000000 00000000
Call Trace: [<c01eb041>] [<c01eb216>] [<c011a9cf>] [<c011abca>] [<c0111a88>] [<c010a956>] [<c0111da6>]
[<c01ea15e>] [<c0111a88>] [<c010e586>] [<c010b681>] [<c01e16c1>] [<c01e16c1>] [<c0188b92>] [<c010a564>]
[<c4854fcc>] [<c487f3e3>] [<c487f3e2>] [<c487f3e9>] [<c487f3e8>] [<c4855603>] [<c487f3e2>] [<c4859d8f>]
[<c484f358>] [<c484f471>] [<c010b681>] [<c010b7f2>] [<c010a4e0>] [<c0116ce9>] [<c0122a4d>] [<c01233ed>]
[<c0123683>] [<c01235bc>] [<c014c87c>] [<c012e032>] [<c010a423>]
Code: 0f 0b 90 8d 65 bc 5b 5e 5f 89 ec 5d c3 89 f6 55 89 e5 83 ec
Aiee, killing interrupt handler
Scheduling in interrupt
kernel BUG at sched.c:692!
invalid operand: 0000


After this, the call trace becomes longer and longer, but the system
keeps on oopsing...

Roger.




--
** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
* Common sense is the collection of *
****** prejudices acquired by age eighteen. -- Albert Einstein ********
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