Debugging why my kernel won't start

1/1

$ mkimage -A arm -O u-boot -T kernel -C none -a 0x3000000 -e 0x3000000 
-n "UBoot dns323" -d u-boot.bin uImage.bin
    Image Name:   Linux-2.6.12.6-arm1
    Image Type:   ARM Linux Kernel Image (uncompressed)
    Data Size:    1490204 Bytes = 1.4 MiB
         case IH_COMP_NONE:
                 if (load == blob_start) {
                         printf ("   XIP %s ... ", type_name);
                 } else {
                         printf ("   Loading %s ... ", type_name);
                         memmove_wd ((void *)load, (void *)image_start,
                                         image_len, CHUNKSZ);
                 }
                 *load_end = load + image_len;
                 puts("OK\n");
                 break;
    Image Name:   Linux-2.6.12.6-arm1
    Image Type:   ARM Linux Kernel Image (uncompressed)
    Data Size:    1490204 Bytes = 1.4 MiB
    Load Address: 00008000
    Entry Point:  00008000
    Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at ff9a0000 ...
    Image Name:   Ramdisk
    Image Type:   ARM Linux RAMDisk Image (gzip compressed)
    Data Size:    5240600 Bytes = 5 MiB
    Load Address: 00800000
    Entry Point:  00800000
    Verifying Checksum ... Bad Data CRC
$ mkimage -A arm -O u-boot -T kernel -C none -a 0x3000000 -e 0x3000000 
-n "UBoot dns323" -d u-boot.bin uImage.bin
    Image Name:   Linux-2.6.12.6-arm1
    Image Type:   ARM Linux Kernel Image (uncompressed)
    Data Size:    1490204 Bytes = 1.4 MiB
         case IH_COMP_NONE:
                 if (load == blob_start) {
                         printf ("   XIP %s ... ", type_name);
                 } else {
                         printf ("   Loading %s ... ", type_name);
                         memmove_wd ((void *)load, (void *)image_start,
                                         image_len, CHUNKSZ);
                 }
                 *load_end = load + image_len;
                 puts("OK\n");
                 break;
    Image Name:   Linux-2.6.12.6-arm1
    Image Type:   ARM Linux Kernel Image (uncompressed)
    Data Size:    1490204 Bytes = 1.4 MiB
    Load Address: 00008000
    Entry Point:  00008000
    Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at ff9a0000 ...
    Image Name:   Ramdisk
    Image Type:   ARM Linux RAMDisk Image (gzip compressed)
    Data Size:    5240600 Bytes = 5 MiB
    Load Address: 00800000
    Entry Point:  00800000
    Verifying Checksum ... Bad Data CRC
G?rald
$ mkimage -A arm -O u-boot -T kernel -C none -a 0x3000000 -e 0x3000000
-n "UBoot dns323" -d u-boot.bin uImage.bin
     Image Name:   Linux-2.6.12.6-arm1
     Image Type:   ARM Linux Kernel Image (uncompressed)
     Data Size:    1490204 Bytes = 1.4 MiB
          case IH_COMP_NONE:
                  if (load == blob_start) {
                          printf ("   XIP %s ... ", type_name);
                  } else {
                          printf ("   Loading %s ... ", type_name);
                          memmove_wd ((void *)load, (void *)image_start,
                                          image_len, CHUNKSZ);
                  }
                  *load_end = load + image_len;
                  puts("OK\n");
                  break;
     Image Name:   Linux-2.6.12.6-arm1
     Image Type:   ARM Linux Kernel Image (uncompressed)
     Data Size:    1490204 Bytes = 1.4 MiB
     Load Address: 00008000
     Entry Point:  00008000
     Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at ff9a0000 ...
     Image Name:   Ramdisk
     Image Type:   ARM Linux RAMDisk Image (gzip compressed)
     Data Size:    5240600 Bytes = 5 MiB
     Load Address: 00800000
     Entry Point:  00800000
     Verifying Checksum ... Bad Data CRC
     Image Name:   Linux-2.6.12.6-arm1
     Image Type:   ARM Linux Kernel Image (uncompressed)
     Data Size:    1490204 Bytes = 1.4 MiB
     Image Name:   Ramdisk
     Image Type:   ARM Linux RAMDisk Image (gzip compressed)
     Data Size:    5240600 Bytes = 5 MiB
     Load Address: 00800000
     Entry Point:  00800000
     Verifying Checksum ... Bad Data CRC
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Was hei?t Windows auf Indianisch? - "Wei?er  Mann,  der  auf  Sanduhr
wartet!"
      Image Name:   Linux-2.6.12.6-arm1
      Image Type:   ARM Linux Kernel Image (uncompressed)
      Data Size:    1490204 Bytes = 1.4 MiB
$ git grep ORION5X_ATTR_DRAM_CS0
arch/arm/include/asm/arch-orion5x/cpu.h:        ORION5X_ATTR_DRAM_CS0 =
0x0e,
$
---
 arch/arm/include/asm/arch-orion5x/cpu.h |    2 +-
 board/D-Link/dns323_b1/Makefile         |   53 +++++++++++++
 board/D-Link/dns323_b1/config.mk        |   27 +++++++
 board/D-Link/dns323_b1/dns323_b1.c      |  129 +++++++++++++++++++++++++++++++
 board/D-Link/dns323_b1/dns323_b1.h      |   41 ++++++++++
 boards.cfg                              |    1 +
 include/configs/dns323_b1.h             |  126 ++++++++++++++++++++++++++++++
 7 files changed, 378 insertions(+), 1 deletions(-)
 create mode 100644 board/D-Link/dns323_b1/Makefile
 create mode 100644 board/D-Link/dns323_b1/config.mk
 create mode 100644 board/D-Link/dns323_b1/dns323_b1.c
 create mode 100644 board/D-Link/dns323_b1/dns323_b1.h
 create mode 100644 include/configs/dns323_b1.h
index 80717f8..6ce02a9 100644
@@ -76,7 +76,7 @@ enum orion5x_cpu_attrib {
 
 /*
  * Device Address MAP BAR values
-/*
+ *
  * All addresses and sizes not defined by board code
  * will be given default values here.
  */

new file mode 100644
index 0000000..3dec1aa
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2010 Albert ARIBAUD <[email protected]>
+#
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <[email protected]>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+#
+
+TEXT_BASE = 0x00100000

index 69c6897..37b980a 100644
@@ -253,6 +253,7 @@ sheevaplug	arm	arm926ejs	-		Marvell		kirkwood
 imx27lite	arm	arm926ejs	imx27lite	logicpd		mx27
 magnesium	arm	arm926ejs	imx27lite	logicpd		mx27
 omap5912osk	arm	arm926ejs	-		ti		omap
+dns323_b1	arm	arm926ejs	-		D-Link		orion5x
 edminiv2	arm	arm926ejs	-		LaCie		orion5x
 omap3_overo	arm	armv7		overo		-		omap3
 omap3_pandora	arm	armv7		pandora		-		omap3

1.7.0.4
---
 arch/arm/include/asm/arch-orion5x/cpu.h |    2 +-
 board/D-Link/dns323_b1/Makefile         |   53 +++++++++++++
 board/D-Link/dns323_b1/config.mk        |   27 +++++++
 board/D-Link/dns323_b1/dns323_b1.c      |  129 +++++++++++++++++++++++++++++++
 board/D-Link/dns323_b1/dns323_b1.h      |   41 ++++++++++
 boards.cfg                              |    1 +
 include/configs/dns323_b1.h             |  126 ++++++++++++++++++++++++++++++
 7 files changed, 378 insertions(+), 1 deletions(-)
 create mode 100644 board/D-Link/dns323_b1/Makefile
 create mode 100644 board/D-Link/dns323_b1/config.mk
 create mode 100644 board/D-Link/dns323_b1/dns323_b1.c
 create mode 100644 board/D-Link/dns323_b1/dns323_b1.h
 create mode 100644 include/configs/dns323_b1.h
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
"I've finally learned what `upward compatible' means. It means we get
to keep all our old mistakes." - Dennie van Tassel
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Quote from the Boss after overriding the decision of a task force  he
created  to  find  a  solution:  "I'm  sorry  if  I ever gave you the
impression your input would have any effect on my  decision  for  the
outcome of this project!"
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
The only way to get rid of a temptation is to yield to it.
                                                        - Oscar Wilde
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Steal five dollars and you were a petty  thief.  Steal  thousands  of
dollars and you are either a government or a hero.
                                   - Terry Pratchett, _Going_Postal_
$ mkimage -A arm -O u-boot -T kernel -C none -a 0x3000000 -e 0x3000000
-n "UBoot dns323" -d u-boot.bin uImage.bin
      Image Name:   Linux-2.6.12.6-arm1
      Image Type:   ARM Linux Kernel Image (uncompressed)
      Data Size:    1490204 Bytes = 1.4 MiB
           case IH_COMP_NONE:
                   if (load == blob_start) {
                           printf ("   XIP %s ... ", type_name);
                   } else {
                           printf ("   Loading %s ... ", type_name);
                           memmove_wd ((void *)load, (void *)image_start,
                                           image_len, CHUNKSZ);
                   }
                   *load_end = load + image_len;
                   puts("OK\n");
                   break;
      Image Name:   Linux-2.6.12.6-arm1
      Image Type:   ARM Linux Kernel Image (uncompressed)
      Data Size:    1490204 Bytes = 1.4 MiB
      Load Address: 00008000
      Entry Point:  00008000
      Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at ff9a0000 ...
      Image Name:   Ramdisk
      Image Type:   ARM Linux RAMDisk Image (gzip compressed)
      Data Size:    5240600 Bytes = 5 MiB
      Load Address: 00800000
      Entry Point:  00800000
      Verifying Checksum ... Bad Data CRC
Albert.
Albert.
$ make clean mrproper dns323_b1_config && make && \
mkimage -A arm -O u-boot -T kernel -C none \
-a 0x3000000 -e 0x3000000 -n "UBoot dns323" \
-d u-boot.bin uImage.bin
   Image Name:   Linux-2.6.12.6-arm1
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1490204 Bytes = 1.4 MiB
    Image Name:   Linux-2.6.12.6-arm1
    Image Type:   ARM Linux Kernel Image (uncompressed)
    Data Size:    1490204 Bytes = 1.4 MiB
Albert.
	=> setenv verify no
	=> save
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
It is much easier to suggest solutions when you know nothing
	=> setenv verify no
	=> save
Kernel panic - not syncing: VFS: Unable to mount root fs on
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Anyone who knows history, particularly the history of Europe, will, I
think, recognize that the domination of education or of government by
any one particular religious faith is never a happy  arrangement  for
the people.                                       - Eleanor Roosevelt
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
I realize that command does have its fascination, even under  circum-
stances such as these, but I neither enjoy the idea of command nor am
I  frightened  of  it. It simply exists, and I will do whatever logi-
cally needs to be done.
	-- Spock, "The Galileo Seven", stardate 2812.7
	=> cp.b ff9a0040 01600000 ...size...
	...
	=> bootm ff820000 1600000
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If in any problem you find yourself doing an immense amount of  work,
the answer can be obtained by simple inspection.
	=> cp.b ff9a0040 01600000 ...size...
	...
	=> bootm ff820000 1600000
   Image Name:   Linux-2.6.12.6-arm1
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1490204 Bytes = 1.4 MiB
	=> cp.b ff9a0040 01600000 ...size...
	...
	=> bootm ff820000 1600000
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Misquotation is, in fact, the pride and privilege of the  learned.  A
widely-read  man  never  quotes  accurately,  for  the rather obvious
reason that he has read too widely.
                - Hesketh Pearson _Common Misquotations_ introduction
#ifdef  DEBUG
        if (!data) {
                printf ("No initrd\n");
        }
        if (data) {
                #ifdef RAMDISK
                initrd_start = ntohl(hdr->ih_load);
                initrd_end = initrd_start + len;
                memmove ((void *)initrd_start, (void *)data, len);
                #else
                initrd_start = data;
                initrd_end = initrd_start + len;
                #endif
        } else {
                initrd_start = 0;
                initrd_end = 0;
        }
#ifdef CONFIG_INITRD_TAG
        if (initrd_start && initrd_end)
                setup_initrd_tag (bd, initrd_start, initrd_end);
#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
                case BOOTM_STATE_RAMDISK:
                {
                        ulong rd_len = images.rd_end - images.rd_start;
                        char str[17];

                        ret = boot_ramdisk_high(&images.lmb,
images.rd_start,
                                rd_len, &images.initrd_start,
&images.initrd_end);
                        if (ret)
                                return ret;

                        sprintf(str, "%lx", images.initrd_start);
                        setenv("initrd_start", str);
                        sprintf(str, "%lx", images.initrd_end);
                        setenv("initrd_end", str);
                }
                        break;
	-> mkimage -l /opt/eldk-4.2/arm/images/uRamdisk
	Image Name:   Simple Embedded Linux Framework
	Created:      Sun Dec  7 18:27:20 2008
	Image Type:   ARM Linux RAMDisk Image (gzip compressed)
	Data Size:    1659739 Bytes = 1620.84 kB = 1.58 MB
	Load Address: 00000000
	Entry Point:  00000000
   Image Name:   Linux-2.6.34-rc1
   Created:      2010-04-28  22:07:22 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1964848 Bytes = 1.9 MiB
   Image Name:   Simple Embedded Linux Framework
   Created:      2008-11-24  16:44:17 UTC
   Image Type:   ARM Linux RAMDisk Image (gzip compressed)
   Data Size:    1659703 Bytes = 1.6 MiB
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
The years of peak mental activity are undoubtedly between the ages of
four and eighteen. At four we know all the questions, at eighteen all
the answers.
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
If you believe that feeling bad or worrying long enough will change a
past or future event, then you are residing on another planet with  a
different reality system.

Debugging why my kernel won't start

Rogan Dawes

Gérald Kerma

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Wolfgang Denk

Rogan Dawes

Rogan Dawes

Wolfgang Denk

Rogan Dawes

Wolfgang Denk

Rogan Dawes

Wolfgang Denk

Wolfgang Denk

Rogan Dawes

Albert ARIBAUD

Rogan Dawes

Albert ARIBAUD

Rogan Dawes

Rogan Dawes

Albert ARIBAUD

Rogan Dawes

Rogan Dawes

Wolfgang Denk

Rogan Dawes

Wolfgang Denk

Rogan Dawes

Wolfgang Denk

Rogan Dawes

Wolfgang Denk

Rogan Dawes

Wolfgang Denk

Rogan Dawes

Wolfgang Denk

Wolfgang Denk