Got this with a almost stock 2.0.32 kernel (Ingo Molnars memleak patch --
simple edition and a harmless coredump enabling patch of my own).
Machine is Dell Optiplex GXpro PPro 200 with 64 Mb.
I think this came about shortly after I killed a PPP connection.
Unable to handle kernel paging request at virtual address c405ab44
current->tss.cr3 = 0065e000,
*pde = 0009e067
*pte = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[read_allocations+128/248]
EFLAGS: 00010212
eax: 0012214c ebx: 00146957 ecx: 0405ab40 edx: 03800000
esi: 00146957 edi: 00146957 ebp: 03065a00 esp: 0065cf00
ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Process cut (pid: 2479, process nr: 70, stackpage=0065c000)
Stack: 00000000 02e104c8 00000400 03065a00 00146957 3832303c 65393264 61203e30
78376369 632e7878 3538313a 6e000a37 64756c63 73612f65 67702f6d 6c626174
00000246 00001000 40009000 00513000 03107900 0012af20 03107990 00000000
Call Trace: [tcp_ack+1703/2244] [pipe_write+472/516] [sys_write+331/388] [sys_read+192/232] [system_call+85/124]
Code: 8b 51 04 52 8b 11 52 8b 54 24 18 c1 e2 05 52 68 d8 02 19 00
Han