A real kernel ops

Egor Egorov (egor@fastware.kiev.ua)
Sat, 2 Aug 1997 13:32:09 +0300 (EET DST)


Wow! First time I've got a real kernel ops! :)

I did

dd if=/dev/zero of=./filesystem bs=1024k count=90

"./filesystem" was on vfat filesystem.

Kernel is 2.0.30. What should I do?

Aug 2 13:27:28 fastware kernel: Couldn't get a free page.....
Aug 2 13:27:31 fastware kernel: Unable to handle kernel NULL pointer dereference at virtual address c0000018
Aug 2 13:27:31 fastware kernel: current->tss.cr3 = 0071c000, $r3 = 0071c000
Aug 2 13:27:31 fastware kernel: *pde = 00102067
Aug 2 13:27:31 fastware kernel: *pte = 00000027
Aug 2 13:27:31 fastware kernel: Oops: 0000
Aug 2 13:27:31 fastware kernel: CPU: 0
Aug 2 13:27:31 fastware kernel: EIP: 0010:[block_read+780/1460]
Aug 2 13:27:31 fastware kernel: EFLAGS: 00010212
Aug 2 13:27:31 fastware kernel: eax: 00000000 ebx: 006b6e9c ecx: 00000000 edx: 001e453c
Aug 2 13:27:31 fastware kernel: esi: 00000000 edi: 006b6e9c ebp: 00000200 esp: 006b6e64
Aug 2 13:27:31 fastware kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Aug 2 13:27:31 fastware kernel: Process dd (pid: 11304, process nr: 37, stackpage=006b6000)
Aug 2 13:27:31 fastware kernel: Stack: 006b6e9c 00000000 00000200 00008000 00000000 00126c29 006a6f18 006b6e9c
Aug 2 13:27:31 fastware kernel: 00000200 00007cbd 001b0302 00000000 00000200 001b0302 00000003 00000200
Aug 2 13:27:31 fastware kernel: 007b7298 00000fbf 00126fbf 00000302 00127116 00000200 00007cbd 001b9240
Aug 2 13:27:31 fastware kernel: Call Trace: [block_read+977/1460] [cp_new_stat+223/276] [sys_newlstat+38/84] [ppp:ppp_register_compressor+-76304/128] [ppp:ppp_register_compressor+-61633/128] [ppp:ppp_register_compressor+-69161/128] [sys_bdflush+147/152]

Aug 2 13:27:31 fastware kernel: [die_if_kernel+41/684]
Aug 2 13:27:31 fastware kernel: Code: 8b 40 18 89 44 24 10 ff 0f 83 7c 24 10 00 0f 85 28 ff ff ff

Egor Egorov, lost soul.