From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from blu0-omc3-s35.blu0.hotmail.com (blu0-omc3-s35.blu0.hotmail.com [65.55.116.110]) by bilbo.ozlabs.org (Postfix) with ESMTP id 79CE0B708B for ; Fri, 7 Aug 2009 19:02:06 +1000 (EST) Message-ID: Content-Type: multipart/alternative; boundary="_6fdff2b4-2842-4a68-979a-18aa4998b591_" From: Sumesh Kaana To: Subject: Linux booting problem Date: Fri, 7 Aug 2009 09:02:03 +0000 MIME-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --_6fdff2b4-2842-4a68-979a-18aa4998b591_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi all=2C I am trying to boot linux kernel (2.6.30) on a custom built board.I am usin= g simple ppc platform and attached are my dts file and boot log.. I've 26Mb of RAM=2CUART and UIC with powerpc 440x5 processor.Kernel Image s= ize is less than 1 mb. cgc=2Cskybeam board is added in arch/powerpc/platforms/44x/ppc44x_simple.c device tree file as bellow:---------------------------- /dts-v1/=3B / { model =3D "cgc=2Cskybeam"=3B compatible =3D "cgc=2Cskybeam"=3B #address= -cells =3D <1>=3B #size-cells =3D <1>=3B dcr-parent =3D <&SKYBEAM_PPC>=3B = chosen { bootargs =3D "console=3DttyS0 root=3D/dev/ram"=3B linux= =2Cstdout-path =3D "/plb/serial@02080000"=3B } =3B aliases { serial0 =3D = &STD_UART=3B } =3B memory { device_type =3D "memory"=3B reg =3D < 0x0 0x= 01A00000 >=3B } =3B cpus { #address-cells =3D <1>=3B #size-cells =3D <0>= =3B SKYBEAM_PPC: cpu@0 { device_type =3D "cpu"=3B #address-cells =3D = <1>=3B #size-cells =3D <1>=3B reg =3D <0>=3B clock-frequency =3D <250= 00000>=3B compatible =3D "PowerPC=2C440"=2C "ibm=2Cppc440"=3B d-cache-l= ine-size =3D <0x20>=3B d-cache-size =3D <0x8000>=3B dcr-access-method = =3D "native"=3B dcr-controller =3B i-cache-line-size =3D <0x20>=3B i-= cache-size =3D <0x8000>=3B model =3D "PowerPC=2C440"=3B timebase-freque= ncy =3D <25000000>=3B } =3B } =3B UIC0: interrupt-controller0 { compatib= le =3D "ibm=2Cuic-440ep"=2C"ibm=2Cuic"=3B interrupt-controller=3B cell-in= dex =3D <0>=3B dcr-reg =3D <0x1c0 0x009>=3B #address-cells =3D <0>=3B #s= ize-cells =3D <0>=3B #interrupt-cells =3D <2>=3B }=3B PLB: plb { #addres= s-cells =3D <1>=3B #size-cells =3D <1>=3B compatible =3D "simple-bus"=3B = ranges =3B STD_UART: serial@02080000 { device_type =3D "serial"=3B = compatible =3D "ns16550"=3B reg =3D <0x02080000 0x00000008>=3B virtual-= reg =3D <0x02080000>=3B clock-frequency =3D <125000000>=3B cur= rent-speed =3D <9600>=3B interrupt-parent =3D <&UIC0>=3B interrupts =3D= <0x5 0x4>=3B } =3B } =3B} =3B boot log is as below:--------------------- zImage starting: loaded at 0x00400000 (sp: 0x004deeb0)Allocating 0x1dad84 b= ytes for kernel ...gunzipping (0x00000000 <- 0x0040c000:0x004dd3fc)...done = 0x1c31cc bytes Linux/PowerPC load: console=3DttyS0 root=3D/dev/ramFinalizing device tree..= . flat tree at 0x4eb300Debug print:This worksDebug print:############!!!!##= #########Memory hole size: 0MB Unable to handle kernel paging request for data at address 0x01a00000Faulti= ng instruction address: 0xc0011434Oops: Kernel access of bad area=2C sig: 1= 1 [#1]PREEMPT PowerPC 44x PlatformModules linked in:NIP: c0011434 LR: c010d= cb0 CTR: 00000001REGS: c01bfe60 TRAP: 0300 Not tainted (2.6.30)MSR: 0002= 1000 CR: 22000024 XER: 20000000DEAR: 01a00000=2C ESR: 00000000T= ASK =3D c01a94b8[0] 'swapper' THREAD: c01be000GPR00: fffffff4 c01bff10 c01a= 94b8 01a00000 019fffff 0000000c c01958b0 00000000GPR08: 00000037 c0110000 0= 0000042 00003fff 22000022 00000000 fffff104 00000000GPR16: 00000000 0000000= 0 00000000 00000000 00000000 00000000 c010d750 c01958b0GPR24: 0000000c 0000= 0000 c01a1dfc 01a00000 c01a1dfc 00003fff 0000000c 00000000NIP [c0011434] st= rlen+0x4/0x18LR [c010dcb0] match_token+0x1a0/0x228Call Trace:[c01bff50] [c0= 1962f4] free_area_init_nodes+0x48/0x3a0[c01bff80] [c0191738] paging_init+0x= 80/0xa0[c01bffb0] [c01909b4] setup_arch+0x1c4/0x1dc[c01bffc0] [c018c648] st= art_kernel+0x54/0x288[c01bfff0] [c0000200] skpinv+0x190/0x1ccInstruction du= mp:4d820020 7ca903a6 38a3ffff 3884ffff 8c650001 2c830000 8c040001 7c6018514= d860020 4102ffec 4e800020 3883ffff <8c040001> 2c000000 4082fff8 7c632050---= [ end trace 31fd0ba7d8756001 ]---Kernel panic - not syncing: Attempted to k= ill the idle task!Call Trace:[c01bfd40] [c0005d5c] show_stack+0x4c/0x16c (u= nreliable)[c01bfd80] [c002f174] panic+0xa0/0x168[c01bfdd0] [c0032eb0] do_ex= it+0x61c/0x638[c01bfe10] [c000b60c] kernel_bad_stack+0x0/0x4c[c01bfe40] [c0= 00f328] bad_page_fault+0x90/0xd8[c01bfe50] [c000e19c] handle_page_fault+0x7= c/0x80[c01bff10] [00000000] (null)[c01bff50] [c01962f4] free_area_init_node= s+0x48/0x3a0[c01bff80] [c0191738] paging_init+0x80/0xa0[c01bffb0] [c01909b4= ] setup_arch+0x1c4/0x1dc[c01bffc0] [c018c648] start_kernel+0x54/0x288[c01bf= ff0] [c0000200] skpinv+0x190/0x1ccRebooting in 180 seconds.. Can anyone tell what would be the problem..? thanks=2CSumesh. Check the daily blob for the latest on what's happening around the web What= goes online=2C stays online _________________________________________________________________ Need a new model in your life? Sell your car fast. http://a.ninemsn.com.au/b.aspx?URL=3Dhttp%3A%2F%2Fsecure%2Dau%2Eimrworldwid= e%2Ecom%2Fcgi%2Dbin%2Fa%2Fci%5F450304%2Fet%5F2%2Fcg%5F801459%2Fpi%5F1004813= %2Fai%5F866383&_t=3D758314219&_r=3Dcarpoint_tagline&_m=3DEXT= --_6fdff2b4-2842-4a68-979a-18aa4998b591_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi all=2C

I am trying to boot linux kernel (2.6.30) on a= custom built board.
I am using simple ppc platform and attached = are my dts file and boot log..
I've 26Mb of RAM=2CUART and UI= C with powerpc 440x5 processor.
Kernel Image size is less than 1 = mb.

cgc=2Cskybeam  =3Bboard is added in arch/p= owerpc/platforms/44x/ppc44x_simple.c

device t= ree file as bellow:
----------------------------

/dts-v1/=3B

/ {
model =3D "cgc=2Cskybe= am"=3B
compatible =3D "cgc=2Cskybeam"=3B
#address-cells =3D <=3B1&g= t=3B=3B
#size-cells =3D <=3B1>=3B=3B
dcr-parent =3D <=3B&=3B= SKYBEAM_PPC>=3B=3B
chosen {
bootargs =3D "console=3DttyS0 root=3D/de= v/ram"=3B
 =3B  =3B  =3B linux=2Cstdout-path =3D "/plb/serial@0208= 0000"=3B
} =3B
aliases {
serial0 =3D &=3BSTD_UART=3B
=
} = =3B
=
memory {
device_type =3D "memory"=3B
reg =3D <=3B 0x0 0x01A000= 00 >=3B=3B
} =3B
cpus {
#address-cells =3D <=3B1>=3B=3B=
#size-cells =3D <=3B0>=3B=3B
SKYBEAM_PPC: cpu@0 {
dev= ice_type =3D "cpu"=3B
#address-cells =3D <=3B1>=3B=3B
#size-c= ells =3D <=3B1>=3B=3B
reg =3D <=3B0>=3B=3B
clock-frequenc= y =3D <=3B25000000>=3B=3B
compatible =3D "PowerPC=2C440"=2C "ibm= =2Cppc440"=3B
d-cache-line-size =3D <=3B0x20>=3B=3B
d-cache-s= ize =3D <=3B0x8000>=3B=3B
dcr-access-method =3D "native"=3B
<= div> d= cr-controller =3B
i-cache-line-size =3D <=3B0x20>=3B=3B
= i-cac= he-size =3D <=3B0x8000>=3B=3B
model =3D "PowerPC=2C440"=3B
ti= mebase-frequency =3D <=3B25000000>=3B=3B
} =3B
} =3B
<= span class=3D"EC_Apple-tab-span" style=3D"white-space:pre">
UIC0= : interrupt-controller0 {
compatible =3D "ibm=2Cuic-440ep"=2C"ibm=2Cuic= "=3B
= interrupt-controller=3B
cell-index =3D <=3B0>=3B=3B
<= div> dc= r-reg =3D <=3B0x1c0 0x009>=3B=3B
#address-cells =3D <=3B0>=3B= =3B
= #size-cells =3D <=3B0>=3B=3B
#interrupt-cells =3D <=3B2&g= t=3B=3B
}=3B
PLB: plb {
#address-cells =3D <=3B1>=3B=3B
#size-cells =3D <=3B1>=3B=3B
compatible =3D "simple-bus"=3B
= ranges =3B
STD_UART: serial@02080000 {
device_type =3D "seria= l"=3B
compatible =3D "ns16550"=3B
reg =3D <=3B0x02080000 0x0000= 0008>=3B=3B
virtual-reg =3D <=3B0x02080000>=3B=3B
&nbs= p=3B =3B  =3B  =3B  =3B  =3B  =3Bclock-frequency = =3D <=3B125000000>=3B=3B
current-speed =3D <=3B9600>=3B=3B
interrupt-parent =3D <=3B&=3BUIC0>=3B=3B
interrupts =3D <= =3B0x5 0x4>=3B=3B
} =3B
} =3B
}  =3B=3B
boot log is as below:
---------------------


zImage starting: loaded at 0x004= 00000 (sp: 0x004deeb0)
Allocating 0x1dad84 bytes for kernel ...
gunzipping (0x00000000 <=3B- 0x0040c000:0x004dd3fc)...done 0x1c3= 1cc bytes

Linux/PowerPC load: console=3DttyS0 root= =3D/dev/ram
Finalizing device tree... flat tree at 0x4eb300
=
Debug print:This works
Debug print:############!!!!#########= ##
Memory hole size: 0MB
Unable to handle kernel pa= ging request for data at address 0x01a00000
Faulting instruction = address: 0xc0011434
Oops: Kernel access of bad area=2C sig: 11 [#= 1]
PREEMPT PowerPC 44x Platform
Modules linked in:
NIP: c0011434 LR: c010dcb0 CTR: 00000001
REGS: c01bfe60 TRA= P: 0300  =3B Not tainted  =3B(2.6.30)
MSR: 00021000 <= =3BME=2CCE>=3B  =3BCR: 22000024  =3BXER: 20000000
DEAR:= 01a00000=2C ESR: 00000000
TASK =3D c01a94b8[0] 'swapper' THREAD:= c01be000
GPR00: fffffff4 c01bff10 c01a94b8 01a00000 019fffff 000= 0000c c01958b0 00000000
GPR08: 00000037 c0110000 00000042 00003ff= f 22000022 00000000 fffff104 00000000
GPR16: 00000000 00000000 00= 000000 00000000 00000000 00000000 c010d750 c01958b0
GPR24: 000000= 0c 00000000 c01a1dfc 01a00000 c01a1dfc 00003fff 0000000c 00000000
NIP [c0011434] strlen+0x4/0x18
LR [c010dcb0] match_token+0x1a0/0= x228
Call Trace:
[c01bff50] [c01962f4] free_area_init_n= odes+0x48/0x3a0
[c01bff80] [c0191738] paging_init+0x80/0xa0
=
[c01bffb0] [c01909b4] setup_arch+0x1c4/0x1dc
[c01bffc0] [c01= 8c648] start_kernel+0x54/0x288
[c01bfff0] [c0000200] skpinv+0x190= /0x1cc
Instruction dump:
4d820020 7ca903a6 38a3ffff 388= 4ffff 8c650001 2c830000 8c040001 7c601851
4d860020 4102ffec 4e800= 020 3883ffff <=3B8c040001>=3B 2c000000 4082fff8 7c632050
---[= end trace 31fd0ba7d8756001 ]---
Kernel panic - not syncing: Atte= mpted to kill the idle task!
Call Trace:
[c01bfd40] [c0= 005d5c] show_stack+0x4c/0x16c (unreliable)
[c01bfd80] [c002f174] = panic+0xa0/0x168
[c01bfdd0] [c0032eb0] do_exit+0x61c/0x638
<= div>[c01bfe10] [c000b60c] kernel_bad_stack+0x0/0x4c
[c01bfe40] [c= 000f328] bad_page_fault+0x90/0xd8
[c01bfe50] [c000e19c] handle_pa= ge_fault+0x7c/0x80
[c01bff10] [00000000] (null)
[c01bff= 50] [c01962f4] free_area_init_nodes+0x48/0x3a0
[c01bff80] [c01917= 38] paging_init+0x80/0xa0
[c01bffb0] [c01909b4] setup_arch+0x1c4/= 0x1dc
[c01bffc0] [c018c648] start_kernel+0x54/0x288
[c0= 1bfff0] [c0000200] skpinv+0x190/0x1cc
Rebooting in 180 seconds..<= /div>



Can anyone tell what= would be the problem..?



=
thanks=2C
Sumesh.


<= br>
Check the daily blob for the latest on what's happening around the w= eb What goes online= =2C stays online
Sell your car fast. Need a ne= w model in your life? = --_6fdff2b4-2842-4a68-979a-18aa4998b591_--