Re: etherboot: unable to open an initial console.

[Kent Snook <kent.snook@echostar.com>]

tsauder@opuswave.com wrote:
> 
> I am trying to boot a diskless client and I receive the above error.
> 
> Some additional information:
> 
> I have no display and therefore, I have set up linux to use the serial port
> (ttyS0) as the console.  In /dev, I have created a symbolic link console ->
> /dev/ttyS0.
> 
> I have NFS Root Filesystem enabled.
> 
> Below is a complete printout of what appears on my hyperterminal from the
> moment boot starts.
> 
> Thanks in advance for any help,
> 
> Tom
> 
> ---------------------------
> 
> ROM segment 0xC800 length 0x8000 reloc 0x9800
> Etherboot/32 version 4.5.6 (GPL) for [EEPRO100]
> Found Intel EtherExpressPro100 at 0xE400, ROM address 0x00000000
> Probing...[EEPRO100]Ethernet addr: 00:80:82:26:01:50
> eeprom[6] = 4701
> Searching for server (DHCP)...
> Me: 10.3.2.3, Server: 10.3.2.1
> Loading /tftpboot/vmlinuz.xterm (NBI)... done
> 
> Linux Net Boot Image Loader Version 0.8.1 (etherboot)
> Copyright (C) 1996,1997 G. Kuhlmann and M. Gutschke
> Copyright (C) 1995-1998 G. Kuhlmann
> 
> Header addr = 9320:0000
> BOOTP addr = 93C1:000C
> Dynamic memory start: 9360
> Kernel start: 9020:0000
> Kernel image: 00100000
> Using bootp record, vendor ID is 0000
> Static memory start: 9A00
> Address of command line: 9000:B000
> Linux version 2.2.14 (root@bootpserver) (gcc version 2.7.2.3) #5 Tue Jul 11
> 14:1
> 8:47 MDT 2000
> Detected 501143221 Hz processor.
> Calibrating delay loop... 499.71 BogoMIPS
> Memory: 128272k/131072k available (724k kernel code, 552k reserved, 1484k
> data,
> 40k init)
> Dentry hash table entries: 16384 (order 5, 128k)
> Buffer cache hash table entries: 131072 (order 7, 512k)
> Page cache hash table entries: 32768 (order 5, 128k)
> Pentium-III serial number disabled.
> CPU: Intel Pentium III (Coppermine) stepping 01
> Checking 386/387 coupling... OK, FPU using exception 16 error reporting.
> Checking 'hlt' instruction... OK.
> POSIX conformance testing by UNIFIX
> PCI: PCI BIOS revision 2.10 entry at 0xfb100
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> Linux NET4.0 for Linux 2.2
> Based upon Swansea University Computer Society NET3.039
> NET4: Unix domain sockets 1.0 for Linux NET4.0.
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP, IGMP
> TCP: Hash tables configured (ehash 131072 bhash 65536)
> Initializing RT netlink socket
> Starting kswapd v 1.5
> Serial driver version 4.27 with no serial options enabled
> keyboard: Too many NACKs -- noisy kbd cable?
> keyboard: Too many NACKs -- noisy kbd cable?
> ttyS00 at 0x03f8 (irq = 4) is a 16550A
> ttyS01 at 0x02f8 (irq = 3) is a 16550A
> pty: 256 Unix98 ptys configured
> loop: registered device at major 7
> Floppy drive(s): fd0 is 1.44M
> FDC 0 is a post-1991 82077
> eth0: OEM i82557/i82558 10/100 Ethernet at 0xe400, 00:80:82:26:01:50, IRQ
> 11.
>   Board assembly 000000-000, Physical connectors present: RJ45
>   Primary interface chip i82555 PHY #1.
>   General self-test: passed.
>   Serial sub-system self-test: passed.
>   Internal registers self-test: passed.
>   ROM checksum self-test: passed (0x04f4518b).
>   Receiver lock-up workaround activated.
> Looking up port of RPC 100003/2 on 10.3.2.1
> Looking up port of RPC 100005/1 on 10.3.2.1
> VFS: Mounted root (NFS filesystem).
> Freeing unused kernel memory: 40k freed
> Warning: unable to open an initial console.
> Kernel panic: No init found.  Try passing init= option to kernel.

We have seen this panic often on diskless boxes when /etc/sysctl is not
available in
the filesystem (We do not use nfs but rather tftp the entire filesystem
to a ramdisk
on our diskless boxes).

Kent
> 
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-- 
Kent
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