Re: 2.6.21-rc3-mm2 (oops in move_freepages)

[Bjorn Helgaas <bjorn.helgaas@hp.com>]

On Wednesday 14 March 2007 12:59, Mel Gorman wrote:
> > <SNIP>
> > Virtual mem_map starts at 0xa0007fffc7200000
> > Zone PFN ranges:
> 
> Total aside, a message should have been printed out here with 
> "sizeof(struct page) = ??" when loglevel was set to 8. I wanted it so I 
> could work out PFNs from the faulting addresses. Can you find such a 
> string in the output of dmesg?

You probably don't need this anymore, but sizeof(struct page) = 56.

> > BUG: at drivers/pci/pci.c:679 pci_restore_state()
> >
> > Call Trace:
> > [<a000000100014980>] show_stack+0x40/0xa0
> >                                sp=e000004063a5fb90 bsp=e000004063a58f98
> > [<a0000001000152b0>] dump_stack+0x30/0x60
> >                                sp=e000004063a5fd60 bsp=e000004063a58f80
> > [<a0000001003f8800>] pci_restore_state+0x480/0x4a0
> >                                sp=e000004063a5fd60 bsp=e000004063a58f38
> > [<a00000010051a0b0>] tg3_chip_reset+0x6d0/0x1020
> ...
> That doesn't look particularly healthy! Is this a known problem?

Yeah, that's ugly, isn't it?  I hadn't got to worrying about that yet.