Messages in this thread | | | Date | Fri, 15 Jan 1999 18:49:31 -0700 | From | Johnnie Peters <> | Subject | Re: Booting 2.2.0-pre6 on a PowerStack-II (Net 4000/200) |
| |
I think this is the same problem I was seeing. This machine is also the known as the Utah. I fixed this in arch/ppc/boot/misc.c. Here is the diff:
Michael Meissner wrote: 454c454 < if (( (unsigned long)zimage_start <= 0x01000000 ) && initrd_start) --- > if ( (unsigned long)zimage_start <= 0x01000000 )
Johnnie
> On Fri, Jan 15, 1999 at 04:28:55PM +0100, Alois Fertl wrote: > > Cort Dougan wrote: > > > > > > It looks like your zImage is being stomped on before it can be > > > decompressed. I'll take a look at the boot loader code and see why it > > > isn't adjusting your free ram section. You might want to try changing to > > > load address in the PPCBug to be near the top of memory in the mean time. > > I guess this system is running "PowerPC Open Firmware". You can change the > > load address via the firmware menu: > > Administrative Options... > > ---> Modify the Configuration Settings... > > ---> Edit Configuration Variables > > step to the parameter "load-base" and enter a new value (decimal). > > One other problem is the this firmware version obviously does not provide > > residual data. So Linux will probably not find the PCI devices correctly. > > I tried setting the load-base to various values, and all of them caused dumps > within the monitor (I tried 10 meg, 64 meg, 3 meg, 120 meg, and even 4 meg + 4 > all to no avail). > > Also, Gary Thomas's 2.0.32 kernel seemed to have no problem in sizing memory, > so I presume it is able to pick up the residual data. > > > > > > > } loaded at: 00400400 00415FD0 > > > } relocated to: 00600000 00615BD0 > > > } zimage at: 0040A400 0049A889 > > > } avail ram: 00400000 00600000 > > > } > > > } Linux/PPC load: console=tty0 console=ttyS0,9600n8 root=/dev/sda2 mem=127M > > > } Uncompressing Linux...done. > > > } Now booting the kernel > > -- > Michael Meissner, Cygnus Solutions (Massachusetts office) > 4th floor, 955 Massachusetts Avenue, Cambridge, MA 02139, USA > meissner@cygnus.com, 617-354-5416 (office), 617-354-7161 (fax) > > [[ This message was sent via the linuxppc-dev mailing list. Replies are ]] > [[ not forced back to the list, so be sure to Cc linuxppc-dev if your ]] > [[ reply is of general interest. To unsubscribe from linuxppc-dev, send ]] > [[ the message 'unsubscribe' to linuxppc-dev-request@lists.linuxppc.org ]]
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |