Dear Wolfgang,
Thanks for your reply!
The board is MPC5200Lite EVB version 2 with 16 Mbytes of flash memory.
The PCM is marked rev. G. I will run a memory test as soon as I get
access to the card again.
Below is the U-Boot printout.
...
U-Boot 1.0.1 (Nov 10 2003 - 10:38:02)
CPU: MPC5200 (JTAG ID 0001101d) at 399.999 MHz
Bus 133 MHz, IPB 66 MHz, PCI 33 MHz
Board: Motorola MPC5200 (IceCube)
I2C: 86 kHz, ready
DRAM: 64 MB
FLASH: 16 MB
PCI: Bus Dev VenId DevId Class Int
00 1a 1057 5803 0680 00
In: serial
Out: serial
Err: serial
Net: FEC ETHERNET
Kind regards,
Tord
> -----Original Message-----
> From: Wolfgang Denk [mailto:wd at denx.de]
> Sent: den 27 november 2003 10:54
> To: Tord Andersson
> Cc: linuxppc-embedded at lists.linuxppc.org
> Subject: Re: MPC5200LITE - kernel BUG at page_alloc.c
>
>
> Dear Tord,
>
> in message
> <004B1D7A5257174C9044A1B7BD0E60ED447042 at ratatosk.combitechsyst
> ems.com> you wrote:
> >
> > I have some troubles when trying to run Linux-2.4.23-pre5 on a an
> > MPC5200LITE board (16MB) with U-BOOT 1.0.1). Right after
> the bogoMIPS
> > calculation I get "kernel BUG at page_alloc.c:105", and the system
> > reboots (see excerpt at end of mail).
>
> Which board revision / configuration is this? Do you have
> any PCI cards plugged in? Dose the simple memory test
> ("mtest" command) in U-Boot work?
>
> > I think the part which goes wrong is when the system tries
> to check if
> > the free pages in memory are OK (__freepages_ok(...)), where the
> > (page->mapping) seems to be marked and thus causing a bug.
> > Is there some kind of problems related to that all pages resides in
> > the zone(0), which seems to be used for DMA?
>
> To me this looks like a memory problem.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> Software Engineering: Embedded and Realtime Systems, Embedded Linux
> Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email:
> wd at denx.de Making files is easy under the UNIX operating
> system. Therefore, users tend to create numerous files
> using large amounts of file space. It has been said that the
> only standard thing about all UNIX systems is the
> message-of-the-day telling users to clean up their
> files. -- System V.2 administrator's guide
>
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