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PER_CPU: Invalid layout
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brundage
Tux's lil' helper
Tux's lil' helper


Joined: 02 Dec 2004
Posts: 80

PostPosted: Mon Jul 31, 2006 8:01 pm    Post subject: PER_CPU: Invalid layout Reply with quote

Hello,
I am building kernel-2.6.16, but run into the following error after booting. Looks like I am missing something in my .config.
Code:
Sun Enterprise 420R (4 X UltraSPARC-II 450MHz), No Keyboard
OpenBoot 3.31, 3072 MB memory installed

Rebooting with command: boot
Boot device: disk1  File and args:
SILO Version 1.4.13
boot:
Allocated 8 Megs of memory at 0x40000000 for kernel
Loaded kernel version 2.6.16

Remapping the kernel... done.
Registering callbacks... done.
Booting Linux...
PER_CPU: Invalid layout, ptr[fffff80000730000] shift[10] base[fffff8000004e000]
Program terminated

Googled for PER_CPU "Invalid layout", but all it could come up with is the code that pukes out the error:
Code:
if ((__per_cpu_shift < PAGE_SHIFT) ||
    (__per_cpu_base & ~PAGE_MASK) ||
    (__per_cpu_base != (((long) __per_cpu_base << 20) >> 20))) {
   prom_printf("PER_CPU: Invalid layout, "
          "ptr[%p] shift[%lx] base[%lx]\n",
          ptr, __per_cpu_shift, __per_cpu_base);
   prom_halt();
}

I don't know where to begin figuring this one out. I can post my .config if necessary.

2.4.32 boots nicely:
Code:
Sun Enterprise 420R (4 X UltraSPARC-II 450MHz), No Keyboard
OpenBoot 3.31, 3072 MB memory installed

Rebooting with command: boot
Boot device: disk1  File and args:
SILO Version 1.4.13
boot:
Allocated 8 Megs of memory at 0x40000000 for kernel
Loaded kernel version 2.4.32

Remapping the kernel... done.
Booting Linux...
Starting CPU 1... OK
Starting CPU 2... OK
Starting CPU 3... OK
boot
boot
boot
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