Hi Tony,
your commit
commit 10617bbe84628eb18ab5f723d3ba35005adde143
Author: Tony Luck <tony.luck at intel.com>
Date: Tue Aug 12 10:34:20 2008 -0700
[IA64] Ensure cpu0 can access per-cpu variables in early boot code
broke kdump on our Altix 350. I get following early crash in kdump
kernel:
------------------------------------- 8< ------------------------------
Pid: 1, CPU 0, comm: swapper
psr : 00001010085a6010 ifs : 800000000000038a ip :
[<a0000001004faaf0>] Not tainted (2.6.27-rc2-default)
ip is at __rtnl_register+0x150/0x1a0
unat: 0000000000000000 pfs : 000000000000038b rsc : 0000000000000003
rnat: 0000000000000014 bsps: 000000000001003e pr : 0000000000006581
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
csd : 0000000000000000 ssd : 0000000000000000
b0 : a0000001004fab70 b6 : a0000001002a8de0 b7 : a000000100434340
f6 : 1003e0000000000000000 f7 : 1003e8888888888888889
f8 : 1003e0000000000000000 f9 : 1003e0000000000000001
f10 : 1003e0000000000000f00 f11 : 1003e00000000000000a0
r1 : a000000100c27bf0 r2 : a000000100a3db68 r3 : a000000100a32be0
r8 : 0000005200000051 r9 : a000000100a0ca40 r10 : 000000019873d109
r11 : fffffffe602b9dae r12 : e0000030192cfdf0 r13 : e0000030192c8000
r14 : 0000005200000071 r15 : 0000000000000000 r16 : 0000000000000000
r17 : a000000100a0be40 r18 : a000000100a3acb0 r19 : a000000100a3acb8
r20 : a000000100a32208 r21 : a000000100a321e8 r22 : 0000000000000000
r23 : e000003037449454 r24 : 0000000000000001 r25 : 0000000000000000
r26 : 0000000000000001 r27 : 00000010085a6010 r28 : e000003019298040
r29 : e000003019298030 r30 : 0000000000000000 r31 : a000000100a0ca38
Call Trace:
[<a000000100016320>] show_stack+0x40/0xa0
sp=e0000030192cf9c0 bsp=e0000030192c90b0
[<a000000100016c30>] show_regs+0x850/0x8a0
sp=e0000030192cfb90 bsp=e0000030192c9058
[<a000000100039d90>] die+0x1b0/0x2c0
sp=e0000030192cfb90 bsp=e0000030192c9010
[<a000000100609a00>] ia64_do_page_fault+0x9a0/0xb00
sp=e0000030192cfb90 bsp=e0000030192c8fb0
[<a00000010000c720>] ia64_native_leave_kernel+0x0/0x270
sp=e0000030192cfc20 bsp=e0000030192c8fb0
[<a0000001004faaf0>] __rtnl_register+0x150/0x1a0
sp=e0000030192cfdf0 bsp=e0000030192c8f60
[<a0000001004fab70>] rtnl_register+0x30/0x80
sp=e0000030192cfdf0 bsp=e0000030192c8f28
[<a000000100808a00>] rtnetlink_init+0x180/0x2a0
sp=e0000030192cfdf0 bsp=e0000030192c8f08
[<a000000100809a40>] netlink_proto_init+0x380/0x3e0
sp=e0000030192cfdf0 bsp=e0000030192c8ec8
[<a00000010000a960>] do_one_initcall+0xa0/0x2e0
sp=e0000030192cfdf0 bsp=e0000030192c8e88
[<a0000001007c4700>] kernel_init+0x4c0/0x580
sp=e0000030192cfe30 bsp=e0000030192c8e68
[<a000000100014870>] kernel_thread_helper+0xd0/0x100
sp=e0000030192cfe30 bsp=e0000030192c8e40
[<a00000010000a4c0>] start_kernel_thread+0x20/0x40
sp=e0000030192cfe30 bsp=e0000030192c8e40
Kernel panic - not syncing: Attempted to kill init!
------------------------------------- >8 ------------------------------
Since the code is very IA64-specific and I don't have the time now to
read all data sheets, I need your help to resolve that issue. :)
Bernhard
--
Bernhard Walle, SUSE Linux Products GmbH, Architecture Development
