Subject: ml310 kernel2.6 booting problems

From: Joachim Meyer <[email-masked]>
Date: Wed, 16 Jan 2008 14:25:53 +0100

Hi

I made an Ace file with my Kernel and load it with the Flash Card.
I made the Initial release CF image on the card and copied my ace file in an folder, from which I boot with the DIP-Switch.
If I used 
"console=ttyUL0 ,9600 root=/dev/xsysace/disc0/part2 rw "
in the Kernel config booting aborts like this:
----------------------------------------------------------------------------------------------------------------
....
[    5.715168] 000001c0: 00000000 00000000 00000000 00000000 ................
[    5.797484] 000001d0: 00000000 00000000 00000000 00000000 ................
[    5.879741] 000001e0: 00000000 00000000 00000000 00000000 ................
[    5.962057] 000001f0: 00000000 00000000 00000000 00000000 ................
[    6.044365] xsysace xsysace.0: capacity: 1000944 sectors
[    6.109986]  xsa:<7>xsysace xsysace.0: fsm_state=0, id_req_count=0
[    6.207902]  xsa1 xsa2
[    6.226842] Xilinx SystemACE device driver, major=254
[    6.281419] tun: Universal TUN/TAP device driver, 1.6
[    6.341706] tun: (C) 1999-2004 Max Krasnyansky <[email-masked]>
[    6.419485] mice: PS/2 mouse device common for all mice
[    6.478716] TCP cubic registered
[    6.516974] NET: Registered protocol family 1
[    6.568940] NET: Registered protocol family 17
[    6.627483] VFS: Cannot open root device "xsysace/disc0/part2" or unknown-block(0,0)
[    6.714743] Please append a correct "root=" boot option; here are the available partitions:
[    6.814732] fe00     500472 xsa (driver?)
[    6.862193]   fe01      98248 xsa1
[    6.902974]   fe02     402192 xsa2
[    6.943603] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[    7.042832] Rebooting in 180 seconds..
------------------------------------------------------------------------------------------------------------------------------------

I tried to use this:
"console=ttyUL0 ,9600 root=fe02 rw" 
and with this, after making ace-file etc. I get:
-------------------------------------------------------------------------------------------------------
...
[    5.447429] 00000190: 00000000 00000000 00000000 00000000 ................
[    5.529734] 000001a0: 00000000 00000000 00000000 00000000 ................
[    5.612002] 000001b0: 00000000 00000000 00000000 00000000 ................
[    5.694288] 000001c0: 00000000 00000000 00000000 00000000 ................
[    5.776594] 000001d0: 00000000 00000000 00000000 00000000 ................
[    5.858861] 000001e0: 00000000 00000000 00000000 00000000 ................
[    5.941167] 000001f0: 00000000 00000000 00000000 00000000 ................
[    6.023453] xsysace xsysace.0: capacity: 1000944 sectors
[    6.090042]  xsa:<7>xsysace xsysace.0: fsm_state=0, id_req_count=0
[    6.186832]  xsa1 xsa2
[    6.205880] Xilinx SystemACE device driver, major=254
[    6.260331] tun: Universal TUN/TAP device driver, 1.6
[    6.320626] tun: (C) 1999-2004 Max Krasnyansky <[email-masked]>
[    6.398443] mice: PS/2 mouse device common for all mice
[    6.457695] TCP cubic registered
[    6.495755] NET: Registered protocol family 1
[    6.547840] NET: Registered protocol family 17
[   12.726608] kjournald starting.  Commit interval 5 seconds
[   12.862678] EXT3 FS on xsa2, internal journal
[   12.899229] EXT3-fs: recovery complete.
[   12.982635] EXT3-fs: mounted filesystem with ordered data mode.
[   13.038505] VFS: Mounted root (ext3 filesystem).
[   13.094113] Freeing unused kernel memory: 96k init
[   13.159079] Warning: unable to open an initial console.
-------------------------------------------------------------------------------------------------

what is the Problem here?
What should I consider when I configure the kernel, what when building an rootfs?

Greetings
Joachim
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