lkml.org 
[lkml]   [2007]   [Apr]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRE: kernel space to user space /bin/sh startup
    On Apr 11 2007 08:57, Tom Strader wrote:
    >
    >Nope. Terminal is set correctly, the kernel is outputting messages, the
    >command line arguments sent to the kernel have 115200 set. What would
    >happen if the getty was not started correctly?

    I'd say you have no login prompt then after rcS finished.
    Thanks for NOT top posting.

    > Would the echoes in rcS
    >still appear? I feel like it may be related to the getty and userspace
    >prints due to the fact the kernel is still printing and responding to
    >commands.
    >Tom
    >
    >-----Original Message-----
    >From: Jan Engelhardt [mailto:jengelh@linux01.gwdg.de]
    >Sent: Wednesday, April 11, 2007 8:48 AM
    >To: Tom Strader
    >Cc: linux-kernel@vger.kernel.org
    >Subject: Re: kernel space to user space /bin/sh startup
    >
    >
    >On Apr 10 2007 11:22, Tom Strader wrote:
    >
    >>console::sysinit:/etc/init.d/rcS
    >>console::respawn:/sbin/getty -L 115200 /dev/ttyS0 vt100
    >
    >>Now I can type on the console and characters are echoed back, pressing
    >>ctrl-c echoes: "uart_flush_buffer(0) called" so the code is still
    >>running, but I am not sure where I am or why I see no login prompt or
    >>shell command line.
    >>I never see the "mounting filesystems..." echoed to the screen, but the
    >>code does not stall and no errors are reported by the kernel. Any help
    >>during the transition from init/main.c in kernel space to user space
    >>would be appreciated, so I could debug this further.
    >>I have looked around and have not seen a solution for my problem, most
    >>likely due to the fact that I am not entirely sure what the problem is.
    >
    >Perhaps your terminal program is set to 9600 bps?
    >
    >
    >
    >Jan
    >--
    >
    >
    >

    Jan
    --
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-04-11 18:29    [W:0.024 / U:1.564 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site