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List:       busybox
Subject:    Init and other user processes do not write anything to the terminal
From:       "Pranav Choudhary" <pranav.choudhary () gmail ! com>
Date:       2006-09-26 6:10:22
Message-ID: a8180d200609252258i107b6a81m5597a8a17ab24130 () mail ! gmail ! com
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Hi,
I am using busybox 1.1.3 with linux kernel 2.6.13 on arm board(ixdp425
like). The kernel has booted up. My /etc/inittab has an entry
::sysinit:/etc/init.d/rcS. The rcs script is run, i insmod a few modules in
the script. The printk messages from these modules can be seen on the
console. But i do not see any echo messages that i have put in the rcS
script. I even don't get messages like "init started" or "serial console
detected". As soon as i start a user process from the rcS script, the system
(kind of) hangs coz nothing appears on the console. I even configured the
kernel with CMDLINE "init=/bin/ash", but even then there is nothing on the
console. Furthur, in the rcS script, i put the following messages:
echo "testing 1-2-3" > /dev/console
echo "testing 1-2-3" > /dev/ttyS0
echo "testing 1-2-3" > /dev/ttyS1

but still nothing appears on the console. I suppose there is not problem
with the serial driver coz the messages from kernel modules do appear on the
console. Please help me debug the issue.

Thanks,
Pranav

[Attachment #5 (text/html)]

Hi,<br>I am using busybox 1.1.3 with linux kernel 2.6.13 on arm board(ixdp425 like). \
The kernel has booted up. My /etc/inittab has an entry ::sysinit:/etc/init.d/rcS. The \
rcs script is run, i insmod a few modules in the script. The printk messages from \
these modules can be seen on the console. But i do not see any echo messages that i \
have put in the rcS script. I even don't get messages like &quot;init started&quot; \
or &quot;serial console detected&quot;. As soon as i start a user process from the \
rcS script, the system (kind of) hangs coz nothing appears on the console. I even \
configured the kernel with CMDLINE &quot;init=/bin/ash&quot;, but even then there is \
nothing on the console. Furthur, in the rcS script, i put the following messages: \
<br>echo &quot;testing 1-2-3&quot; &gt; /dev/console<br>echo &quot;testing \
1-2-3&quot; &gt; /dev/ttyS0<br>echo &quot;testing 1-2-3&quot; &gt; \
/dev/ttyS1<br><br>but still nothing appears on the console. I suppose there is not \
problem with the serial driver coz the messages from kernel modules do appear on the \
console. Please help me debug the issue. <br><br>Thanks,<br>Pranav<br>



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