PowerMacintosh B&W G4 boot failure - linux-2.6.36.x

acrux acrux_it at libero.it
Wed Apr 13 10:10:31 EST 2011

Hash: SHA1

i received several boot failure reports on Apple Power Macintosh B&W G3
instead a machine like the iMac SlotLoading or DV/SE G3 are able to boot fine.

here a screenshot:

a plaintext version of the above pic:
*Built 1 zonelists in Zone order. mobility grouping on. Total pages: 32512* 
*Kernel command line: root=/dev/sr0 ro rootdelay=10*
*PID hash table entries: 512 (order: -1, 2048 bytes)*
*Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)*
*lnode-cache hash table entries: 8192 (order: 3, 32768 bytes)*
*Memory: 121440k/131072k available (7364k kernel code. 9632k reserved. 236k data.*
*164k bss. 260k init)*
*Kernel virtual memory layout:*
** 0xfffbf000..0xfffff000 : fixmap*
** 0xff800000..0xffc00000 : highmem PTEs*
** 0xfef10000..0xff800000 : early ioremap*
** 0xc9000000..8xfef10000 : vmalloc & ioremap*
*SLUB: Genslabs=13, HUalign=32, 0rder=0-3, MinObjects=0, CPUs=2,Nodes=1* *Hierarchical RCU implementation.*
*RCU-based detection of stalled CPUs is disabled.*
*Verbose stalled-CPUs detection is disabled.*
*NB_IRQS:512 nr_irqs:512*
*irq: Pound primary Apple PIC /pci at 80000000/pci-bridge at d/mac-io at 5 for 64 irqs*
*irq: System has 64 possible interrupts*
*GMT Delta read from XPRAM: 0 minutes. DST: on*
*clocksource: timebase mult[a06b3dd] shift[22] registered*
*Console: colour dummy device 80x25*
*console [tty0] enabled. bootconsole disabled*
*Movable zone start PFN for each node*
*early_node_map[1] active PPM ranges*
*8: 0x00000000 -> 8x00008000*
*PEBCPU: Embedded 7 pages/cpu @c089e000 s7232 r8192 d13248 u65536*
*pcpu-alloc:  s7232 r8192 d13248 u65536 alloc=16*4096*
*pcpu-alloc: [0] 0 [0] 1*

machine specs:
PowerMac G3 (Rev. 1 Motherboard)
Family Number M5183
400MHz cpu

attached the used kernel config linux-
+  powerpc: Fix some 6xx/7xxx CPU setup functions
commit 1f1936ff3febf38d582177ea319eaa278f32c91f upstream

- --acrux
- -- 
GNU/Linux on Power Architecture
CRUX PPC - http://cruxppc.org/

Version: GnuPG v2.0.17 (GNU/Linux)

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