Description of problem:
Everytime I try to netboot the ppc64.img file, the image is fetched from the
tftp server, but then the system immediately tells me "No Operating Systems
(ppc32.img file starts but fails since this is a 64bit machine)
Try to netboot the file images/netboot/ppc64.img
Box telling "No Operating Systems Installed"
No network installation possible.
Start of installation
The problem still exists with Fedora 8 Test 3.
Changes to the original entry: now the ppc32.img shows the same error message
("No Operating Systems Installed").
Created attachment 222741 [details]
Failed boot-log on JS21 with FW level MB245_300
Created attachment 222751 [details]
Failed boot-log on JS21 with latest FW level MB246_060
This is a part of the error log (with the latest available firmware for JS21).
FILE : ppc64.img
BLKSIZE : 512
FINAL PACKET COUNT = 21012
FINAL FILE SIZE = 10758004 BYTES
throw - c3903c
$call-method - c467c8
(poplocals) - c3a758
(init-program) - c7fe10
boot - c80afc
evaluate - c4a148
invalid pointer - e72215
invalid pointer - 7
invalid pointer - 7
quit - c4a7ec
quit - c4a5f0
I'm reviewing this bug as part of the kernel bug triage project, an attempt to
isolate current bugs in the Fedora kernel.
I am CC'ing myself to this bug and will try and assist you in resolving it if I can.
There hasn't been much activity on this bug for a while. Could you tell me if
you are still having problems with the latest kernel?
If the problem no longer exists then please close this bug or I'll do so in a
few days if there is no additional information lodged.
Closing per previous comment. If you can provide the requested information,
please feel free to re-open this bug.
The issue is because the ELF-header at the beginning of the Linux image has an
inappropriate value for the "real-base" setting, which tells where Open Firmware
should sit in memory. The Linux image is downloaded starting at address 0x4000
("load-base" setting also in the ELF-header), and if the "real-base" is not set
high enough for the OS image to fit, the download will fail. In this particular
error above, the "real-base" setting was still at 12Mb (0xC00000). Note that
while the OS binary would still fit (was just under 11Mb), the "program image
size" (which includes the BSS section, not in the binary), would overflow above
the 12Mb threshold and that's why the "CLAIM failed".
AIX sets the "real-base" in their ELF header to 32Mb (0x2000000), so they don't
ever hit this issue. This is a bug for Fedora to fix.
Adding cc: as I have no idea how to fix this.
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