Hi all,
I tried to execute a kernel 2.6.21 on my SBC, but at the end it said "kernel
panic".
The step are, (after delete kernel 2.4):
- Redboot> load -b 0x00218000 -m disk hda1:/zImage -r
- Redboot> fis list : (only zImage) zImage 0x60660000 0x00218000 0x00160000
0x00218000
- Redboot> exec -c "console=ttyAM0, 115200 root=/dev/mtdblock1"
...And i have some kernel panic :
RedBoot> load -b 0x00218000 -m disk hda1:/zImage -r
Raw file loaded 0x00218000-0x0037cbb3, assumed entry at 0x00218000
RedBoot> exec -c "console=ttyAM0,115200 root=/dev/mtdblock1"
Using base address 0x00218000 and length 0x00164bb4
Uncompressing Linux.............................................................
Linux version 2.6.21-ts (gcc version 3.4.4 (releas7
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=40007177
Machine: Technologic Systems TS-72xx SBC
Memory policy: ECC disabled, Data cache writeback
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
Built 4 zonelists. Total pages: 8128
Kernel command line: console=ttyAM0,115200 root=/dev/mtdblock1
PID hash table entries: 128 (order: 7, 512 bytes)
Console: colour dummy device 80x30
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Memory: 8MB 8MB 8MB 8MB = 32MB total
Memory: 29312KB available (2748K code, 254K data, 112K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
ep93xx: PLL1 running at 400 MHz, PLL2 at 192 MHz
ep93xx: FCLK 200 MHz, HCLK 100 MHz, PCLK 50 MHz
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 1024 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
TCP reno registered
NetWinder Floating Point Emulator V0.97 (double precision)
JFFS2 version 2.2. (NAND) (C) 2001-2006 Red Hat, Inc.
yaffs Nov 15 2007 15:28:17 Installing.
io scheduler noop registered
io scheduler deadline registered (default)
ep93xx_wdt: EP93XX watchdog, driver version 0.3
Serial: AMBA driver $Revision: 1.1.1.1 $
apb:uart1: ttyAM0 at MMIO 0x808c0000 (irq = 52) is a AMBA
apb:uart2: ttyAM1 at MMIO 0x808d0000 (irq = 54) is a AMBA
apb:uart3: ttyAM2 at MMIO 0x808e0000 (irq = 55) is a AMBA
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <>
ep93xx-eth version 0.1 loading
eth0: ep93xx on-chip ethernet, IRQ 39, 00:d0:69:41:f1:6c.
Linux video capture interface: v2.00
physmap platform flash device: 01000000 at 60000000
physmap-flash.0: Found 1 x16 devices at 0x0 in 8-bit bank
Intel/Sharp Extended Query Table at 0x0031
Using buffer write method
cfi_cmdset_0001: Erase suspend on write enabled
cmdlinepart partition parsing not available
Searching for RedBoot partition table in physmap-flash.0 at offset 0x7e0000
5 RedBoot partitions found on MTD device physmap-flash.0
Creating 5 MTD partitions on "physmap-flash.0":
0x00000000-0x00620000 : "(reserved)"
0x00620000-0x00660000 : "RedBoot"
0x00660000-0x007c0000 : "zImage"
0x007c0000-0x007c1000 : "RedBoot config"
mtd: partition "RedBoot config" doesn't end on an erase block -- force read-only
0x007e0000-0x00800000 : "FIS directory"
ep93xx-ohci ep93xx-ohci: EP93xx OHCI
ep93xx-ohci ep93xx-ohci: new USB bus registered, assigned bus number 1
ep93xx-ohci ep93xx-ohci: irq 56, io mem 0x80020000
usb usb1: Product: EP93xx OHCI
usb usb1: Manufacturer: Linux 2.6.21-ts ohci_hcd
usb usb1: SerialNumber: ep93xx
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 3 ports detected
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
mice: PS/2 mouse device common for all mice
rtc-m48t86 rtc-m48t86: rtc core: registered m48t86 as rtc0
rtc-m48t86 rtc-m48t86: battery ok
ep93xx-rtc ep93xx-rtc: rtc core: registered ep93xx as rtc1
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 15
ieee80211: 802.11 data/management/control stack, git-1.1.13
ieee80211: Copyright (C) 2004-2005 Intel Corporation <>
rtc-m48t86 rtc-m48t86: setting the system clock to 2009-09-29 12:40:24 (1254228)
yaffs: dev is 32505857 name is "mtdblock1"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.1, "mtdblock1"
yaffs: MTD device is not NAND it's type 3
yaffs: dev is 32505857 name is "mtdblock1"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.1, "mtdblock1"
yaffs: MTD device is not NAND it's type 3
No filesystem could mount root, tried: ext3 ext2 vfat yaffs yaffs2
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,1)
Thanks in advance
Manu
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