* Kernel panic:I have no root and I want to scream
@ 2002-06-18 8:41 zhongqx
2002-06-18 8:54 ` Alex Zeffertt
2002-06-19 11:16 ` Michael Habermann
0 siblings, 2 replies; 3+ messages in thread
From: zhongqx @ 2002-06-18 8:41 UTC (permalink / raw)
To: linuxppc-embedded
Hello everyone,
When I boot my linux on fads board, I get a kernel panic:
I have no root and I want to scream, i do not the cause of this
probelm ,I add loop back surport,but can solve this problem!
Has anyone meet this problem ,can you give me some advice?
thank you in advance!
=>bootm 500000 600000
## Booting image at 00500000 ...
Image Name: 2.4.18
Image Type: PowerPC Linux Kernel Image (gzip compressed)
Data Size: 557426 Bytes = 544 kB = 0 MB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
## Loading RAMDisk Image at 00600000 ...
Image Name: ramdisk
Image Type: PowerPC Linux RAMDisk Image (gzip compressed)
Data Size: 428 Bytes = 0 kB = 0 MB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
Loading Ramdisk to 0075b000, end 0075b1ac ... OK
Linux version 2.4.18 (root@gaof.guoguang.com.cn) (gcc version 2.95.2 19991024 (r
elease)) #2 Tue Jun 18 16:18:50 CST 2002
On node 0 totalpages: 2048
zone(0): 2048 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: boot=/dev/ram
Decrementer Frequency = 180000000/60
console init finished!
alloc bootmem finished!
kmem_cache_init() finished!
Calibrating delay loop... 47.82 BogoMIPS
Memory: 6620k available (1012k kernel code, 364k data, 44k init, 0k highmem)
pgtable_cache_init() run here!
Dentry-cache hash table entries: 1024 (order: 1, 8192 bytes)
Inode-cache hash table entries: 512 (order: 0, 4096 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 2048 (order: 1, 8192 bytes)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
devfs: v1.10 (20020120) Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x0
CPM UART driver version 0.03
ttyS00 at 0x0280 is a SMC
block: 64 slots per queue, batch=16
RAMDISK driver initialized: 16 RAM disks of 2048K size 1024 blocksize
eth0: CPM ENET Version 0.2 on SCC1, 00:d0:93:00:12:34
loop: loaded (max 8 devices)
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 512 bind 512)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 0k freed
EXT2-fs warning: checktime reached, running e2fsck is recommended
VFS: Mounted root (ext2 filesystem).
Kernel panic: I have no root and I want to scream
<0>Rebooting in 180 seconds..
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: Kernel panic:I have no root and I want to scream
2002-06-18 8:41 Kernel panic:I have no root and I want to scream zhongqx
@ 2002-06-18 8:54 ` Alex Zeffertt
2002-06-19 11:16 ` Michael Habermann
1 sibling, 0 replies; 3+ messages in thread
From: Alex Zeffertt @ 2002-06-18 8:54 UTC (permalink / raw)
To: zhongqx, linuxppc-embedded
shouldn't the command line be root=/dev/ram, rather than
> Kernel command line: boot=/dev/ram
Alex
zhongqx wrote:
> Hello everyone,
> When I boot my linux on fads board, I get a kernel panic:
> I have no root and I want to scream, i do not the cause of this
> probelm ,I add loop back surport,but can solve this problem!
> Has anyone meet this problem ,can you give me some advice?
> thank you in advance!
>
>
>
> =>bootm 500000 600000
> ## Booting image at 00500000 ...
> Image Name: 2.4.18
> Image Type: PowerPC Linux Kernel Image (gzip compressed)
> Data Size: 557426 Bytes = 544 kB = 0 MB
> Load Address: 00000000
> Entry Point: 00000000
> Verifying Checksum ... OK
> Uncompressing Kernel Image ... OK
> ## Loading RAMDisk Image at 00600000 ...
> Image Name: ramdisk
> Image Type: PowerPC Linux RAMDisk Image (gzip compressed)
> Data Size: 428 Bytes = 0 kB = 0 MB
> Load Address: 00000000
> Entry Point: 00000000
> Verifying Checksum ... OK
> Loading Ramdisk to 0075b000, end 0075b1ac ... OK
> Linux version 2.4.18 (root@gaof.guoguang.com.cn) (gcc version 2.95.2 19991024 (r
> elease)) #2 Tue Jun 18 16:18:50 CST 2002
> On node 0 totalpages: 2048
> zone(0): 2048 pages.
> zone(1): 0 pages.
> zone(2): 0 pages.
> Kernel command line: boot=/dev/ram
> Decrementer Frequency = 180000000/60
> console init finished!
> alloc bootmem finished!
> kmem_cache_init() finished!
> Calibrating delay loop... 47.82 BogoMIPS
> Memory: 6620k available (1012k kernel code, 364k data, 44k init, 0k highmem)
> pgtable_cache_init() run here!
> Dentry-cache hash table entries: 1024 (order: 1, 8192 bytes)
> Inode-cache hash table entries: 512 (order: 0, 4096 bytes)
> Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
> Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
> Page-cache hash table entries: 2048 (order: 1, 8192 bytes)
> POSIX conformance testing by UNIFIX
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> Starting kswapd
> devfs: v1.10 (20020120) Richard Gooch (rgooch@atnf.csiro.au)
> devfs: boot_options: 0x0
> CPM UART driver version 0.03
> ttyS00 at 0x0280 is a SMC
> block: 64 slots per queue, batch=16
> RAMDISK driver initialized: 16 RAM disks of 2048K size 1024 blocksize
> eth0: CPM ENET Version 0.2 on SCC1, 00:d0:93:00:12:34
> loop: loaded (max 8 devices)
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP, IGMP
> IP: routing cache hash table of 512 buckets, 4Kbytes
> TCP: Hash tables configured (established 512 bind 512)
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> RAMDISK: Compressed image found at block 0
> Freeing initrd memory: 0k freed
> EXT2-fs warning: checktime reached, running e2fsck is recommended
> VFS: Mounted root (ext2 filesystem).
> Kernel panic: I have no root and I want to scream
> <0>Rebooting in 180 seconds..
>
>
>
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Kernel panic:I have no root and I want to scream
2002-06-18 8:41 Kernel panic:I have no root and I want to scream zhongqx
2002-06-18 8:54 ` Alex Zeffertt
@ 2002-06-19 11:16 ` Michael Habermann
1 sibling, 0 replies; 3+ messages in thread
From: Michael Habermann @ 2002-06-19 11:16 UTC (permalink / raw)
To: zhongqx; +Cc: linuxppc-embedded
zhongqx wrote:
> ## Loading RAMDisk Image at 00600000 ...
> Image Name: ramdisk
> Image Type: PowerPC Linux RAMDisk Image (gzip compressed)
> Data Size: 428 Bytes = 0 kB = 0 MB
Seems your ramdisk image has problems. 428 byte is certainly too small.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
^ permalink raw reply [flat|nested] 3+ messages in thread
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2002-06-18 8:41 Kernel panic:I have no root and I want to scream zhongqx
2002-06-18 8:54 ` Alex Zeffertt
2002-06-19 11:16 ` Michael Habermann
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