Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.9/2.6.9-mm1/
> 
> - Lots of new patches.
> 
>   - kexec and crashdump: this all allegedly works, but I want to *see* it
>     work first.

Dual-proc P4, 1 GB RAM, IDE only, ext3fs:


I'm trying to spend time on kexec++ this week, but this little BUG
keeps getting in the way.  Has it already been reported/fixed?

kernel BUG at arch/i386/mm/highmem.c:42!
invalid operand: 0000 [#1]
SMP DEBUG_PAGEALLOC
Modules linked in:
CPU:    0
EIP:    0060:[<c011d357>]    Not tainted VLI
EFLAGS: 00010006   (2.6.9-mm1)
EIP is at kmap_atomic+0x47/0x80
eax: 3f47b163   ebx: fffe9000   ecx: c17e8f60   edx: c064bfa4
esi: c05ee7ec   edi: c05ee740   ebp: c056fec0   esp: c056febc
ds: 007b   es: 007b   ss: 0068
Process swapper (pid: 0, threadinfo=c056e000 task=c0486b80)
Stack: f7011000 c056feec c02cd599 c17e8f60 0000000b 00000001 c056ff10 
00000046
        c17e8f60 c05ee740 c05ee7ec f7066f60 c056ff10 c02cd882 c05ee7ec 
00000000
        c056ff10 c012cf1e c02cd7a0 c05ee7ec f7017ef8 c056ff34 c02c8c16 
c05ee7ec
Call Trace:
  [<c0107eff>] show_stack+0xaf/0xc0
  [<c010808d>] show_registers+0x15d/0x1e0
  [<c01082a6>] die+0x106/0x190
  [<c01087d8>] do_invalid_op+0x108/0x110
  [<c0107b4d>] error_code+0x2d/0x38
  [<c02cd599>] ide_pio_sector+0x39/0xe0
  [<c02cd882>] task_in_intr+0xe2/0x100
  [<c02c8c16>] ide_intr+0xb6/0x150
  [<c0142cd8>] handle_IRQ_event+0x38/0x70
  [<c0142df2>] __do_IRQ+0xe2/0x150
  [<c0109606>] do_IRQ+0x36/0x60
  [<c0107a30>] common_interrupt+0x18/0x20
  [<c01050f1>] cpu_idle+0x31/0x50
  [<c05709bf>] start_kernel+0x15f/0x180
  [<c0100211>] 0xc0100211
Code: 4e 8b 40 10 bb 00 f0 ff ff 8d 04 40 8d 04 c0 8d 04 10 8d 50 0b 
c1 e0 02 c
  <0>Kernel panic - not syncing: Fatal exception in interrupt
  <0>Dumping messages in 0 seconds : last chance for Alt-SysRq...


-- 
~Randy
MOTD:  Always include version info.
(Again.  Sometimes I think ln -s /usr/src/linux/.config .signature)