As I only have one x86_64 which is my main workstation it's far too
tedious to do binary searching (this doesn't happen on x86).
Happens with both latest -git and 2.6.12-mm1
The tools to reproduce this is at: http://serkiaden.mine.nu/kp2.tar
Just do:
gdb lyze
run
and it crashes here giving:
----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at "mm/memory.c":911
invalid operand: 0000 [1] PREEMPT SMP
CPU 1
Modules linked in: snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc
Pid: 1285, comm: gdb Not tainted 2.6.12
RIP: 0010:[<ffffffff80162b46>] <ffffffff80162b46>{get_user_pages+326}
RSP: 0018:ffff810030e3de48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffffffaf5000 RCX: 0000000001e06000
RDX: ffff810000000000 RSI: 03fffffffffff000 RDI: ffffffff803900a0
RBP: ffffffffffaf5440 R08: 0000000000000000 R09: 0000000000000001
R10: 00007fffff95f398 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: ffff810037eb3240 R15: ffff810037eb3240
FS: 00002aaaab31c090(0000) GS:ffffffff804882c0(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00002aaaab12a288 CR3: 0000000028146000 CR4: 00000000000006e0
Process gdb (pid: 1285, threadinfo ffff810030e3c000, task ffff8100316a55b0)
Stack: 0000000000000246 ffffffff8011d479 0000000000003950 0000000000000246
0000000000000246 0000001037eb3298 0000000100000000 0000000100000000
ffff810034298df0 ffff810030e3df08
Call Trace:<ffffffff8011d479>{do_page_fault+601} <ffffffff8013a596>{access_process_vm+134}
<ffffffff80110e6e>{sys_ptrace+318} <ffffffff8010e569>{error_exit+0}
<ffffffff8010da1a>{system_call+126}
Code: 0f 0b 70 6c 2f 80 ff ff ff ff 8f 03 48 c1 eb 09 48 21 f0 81
RIP <ffffffff80162b46>{get_user_pages+326} RSP <ffff810030e3de48>
<6>lyze[1286]: segfault at ffffffffffaf5447 rip 0000000000400d6b rsp 00007fffffaf5420 error 4
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