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.
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