Hi Kay,
commit: f9f852df2faf76a2667949ddb4947d4b8f99f02f (linux-2.6.20) breaks
Sparc32 (sun4c SS1 Clone). It causes a paging request fault - see below.
I am going to investigate further later on today. I will let you know what
I find. If any one else can shead light on the problem then pleae let me
know.
Regards
Mark Fortescue.
The commit details are:
----------------------------------------------------------------------------
Author: Kay Sievers <kay.sievers@xxxxxxxxxx>
Date: Sat Oct 7 21:54:55 2006 +0200
Driver core: add device_type to struct device
This allows us to add type specific attributes, uevent vars and
release funtions.
A subsystem can carry different types of devices like the "block"
subsys has disks and partitions. Both types create a different set
of attributes, but belong to the same subsystem.
This corresponds to the low level objects:
kobject -> device (object/device data)
kobj_type -> device_type (type of object/device we are embedded in)
kset -> class/bus (list of objects/devices of a subsystem)
Signed-off-by: Kay Sievers <kay.sievers@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
:040000 040000 ea0a0790d3b65ed36c87b07e343da36011b050d0 1d1136a7326c774e0f8d22f01487b30d5e122449 M drivers
:040000 040000 cee410003607520618014fbc21a0c7eaf57388ab 97e7bc5ae6238ba6d58a30b3b464a223ec90556b M include
The console log is as follows:
-------------------------------------------------------------------------
Booting Linux...
PROMLIB: Sun Boot Prom Version 0 Revision 0
Linux version 2.6.20 (mark@a64) (gcc version 4.1.2) #1 Sat May 26 14:11:09 BST 2007
ARCH: SUN4C
TYPE: Sun4c SparcStation 1 (Opus 4/60)
Ethernet address: 0:80:f1:0:5:89
Loading sun4c MMU routines
Boot time fixup v1.6. 4/Mar/98 Jakub Jelinek (jj@xxxxxxxxxxxxxx). Patching kernel for sun4c
SUN4C: 79 mmu entries for the kernel
PROM: Built device tree with 12437 bytes of memory.
Built 1 zonelists. Total pages: 9472
Kernel command line: root=/dev/nfs nfsroot=10.1.1.4:/cross/sparc/sys-root,rsize=2048,wsize=2048 ip=dhcp init=/sbin/bash.static rw console=prom
PID hash table entries: 256 (order: 8, 1024 bytes)
start_kernel(): bug: interrupts were enabled early
Console: mono PROM 80x34
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 37796k/40908k available (1676k kernel code, 3144k reserved, 604k data, 160k init, 0k highmem)
Mount-cache hash table entries: 512
NET: Registered protocol family 16
Unable to handle kernel paging request at virtual address 66302000
tsk->{mm,active_mm}->context = ffffffff
tsk->{mm,active_mm}->pgd = f0005000
\|/ ____ \|/
"@'/ ,. \`@"
/_| \__/ |_\
\__U_/
swapper(1): Oops [#1]
PSR: 000010c4 PC: f0112f30 NPC: f0112f34 Y: 00000000 Not tainted
PC: <device_add+0x2a0/0x534>
%G: f0fcf0b4 00000000 ffffffff 00000000 f028b180 00000005 ff000000 00000001
%O: 00000000 00000028 f0fcf0b4 f0fcf160 f0fc5c9c 00000018 ff001cb0 f0112da8
RPC: <device_add+0x118/0x534>
%L: 00000008 f0fcf0b4 00000000 f0fcf1a8 f0fcf1a8 00000000 66302900 f0fcf15c
%I: 00000000 0f030e57 00000010 ff001dd4 f0fcf1c4 f0fe5480 ff001d18 f001ad20
Caller[f001ad20]: of_device_register+0x30/0x64
Caller[f0246ca4]: do_header+0x234/0x274
Caller[f0246d10]: inflate_dynamic+0x2c/0x5c4
Caller[f0246dac]: inflate_dynamic+0xc8/0x5c4
Caller[f00100cc]: init+0xb0/0x2ac
Caller[f00141d4]: kernel_thread+0x3c/0x50
Caller[f00102e0]: rest_init+0x18/0x2c
Caller[f0240f54]: __ret_efault+0x844/0xd40
Caller[f0240790]: __ret_efault+0x80/0xd40
Caller[0030509c]: 0x3050a4
Instruction DUMP: 80a5a000 02800027 a4102000 <c2058000> 80a06000 1280000f a0102000 10800022 80a62000
Kernel panic - not syncing: Attempted to kill init!
Press Stop-A (L1-A) to return to the boot prom
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