pagebuf_cleaner crash was Re: CVS 2.3 tree

["Andi Kleen" <ak@xxxxxxx>]

On Thu, Jun 01, 2000 at 04:11:41PM -0500, Russell Cattelan wrote:
> >
> > to do that for the ``TAKE'' messages on the list? Then you could just
> > click on a change to look at it.
> >
> > -Andi
> 
> BTW did switching compilers help?

Seems I was too quick. Unpack works now, but the libc compilation with 
no CONFIG_KIOVEC_IO ended with a BUG in the page_cleaner_daemon
(during a big ``ar'' run):

delalloc page 0xc101d370 with no extent

 Entering kdb (0xc6456000) on processor 1 Panic: invalid operand
due to panic @ 0xc014b000
eax = 0x0000001f ebx = 0xc0ddd680 ecx = 0xc0326464 edx = 0xc6ae9f74
esi = 0xc101d370 edi = 0xc6457fa0 esp = 0xc6457f6c eip = 0xc014b000
ebp = 0xc6457fb8  ss = 0x00000018  cs = 0x00000010 eflags = 0x00010282
 ds = 0x00000018  es = 0x00000018 origeax = 0xffffffff &regs = 0xc6457f38
[1]kdb> bt
    EBP       EIP         Function(args)
0xc6457fb8 0xc014b000 pb_delalloc_convert+0x90 (0xc101d370, 0xc6457fea, 
0x10000000, 0x100, 0xc6477ce0)
                               kernel .text 0xc0100000 0xc014af70 0xc014b13c
0xc6457fec 0xc014b41b page_cleaner_daemon+0x2df
                               kernel .text 0xc0100000 0xc014b13c 0xc014b538
           0xc0108f37 kernel_thread+0x23
                               kernel .text 0xc0100000 0xc0108f14 0xc0108f4c
[1]kdb> bt
    EBP       EIP         Function(args)
0xc6457fb8 0xc014b000 pb_delalloc_convert+0x90 (0xc101d370, 0xc6457fea, 
0x10000000, 0x100, 0xc6477ce0)
                               kernel .text 0xc0100000 0xc014af70 0xc014b13c
0xc6457fec 0xc014b41b page_cleaner_daemon+0x2df
                               kernel .text 0xc0100000 0xc014b13c 0xc014b538
           0xc0108f37 kernel_thread+0x23
                               kernel .text 0xc0100000 0xc0108f14 0xc0108f4c
[1]kdb> 
[1]kdb> 


-Andi