PROBLEM: Re RAM disk sizes, errors, (Minor also: and PTY count)

From: Michael Peddemors (michael@wizard.ca)
Date: Sat Aug 12 2000 - 20:59:31 EDT

  • Next message: ADAM Sulmicki: "Re: 2.4.0-test7-pre2 boot failure"

    Using initrd and ramdisks, when the kernel (2.4.0-pre7-test2) was configured,

    mounting root=/dev/RAM0 no longer works.

    Only change was a kernel change from 2.2.14
    And have checked the .config file 3 times for support is correct.

    What is (is there?) the/a new identifiers for ram0?
    In the Documentation/ramdisk.txt (Dated?) there is no mention to it but I
    guess it could be a change to the /dev/ram0 system that I haven't heard
    about?? Old mentions in the list around 2.3.34 about something but ntohing
    lately.

    Someone steer me in the right direction here to search why it isn't working
    now.

    Looking at ./linux/fs/super.c I see somthing that looks strange?
    The only reference to CONFIG_BLK_DEV_RAM
    seems to be in super.c (and arch/<arch>/kernel/setup.c) which is immediately
    followed by a floppy_eject (That would be BAD if I read it right? It is
    almost as if it expects to use a root/boot disk method, so you can see I am
    having trouble following what is happeing now with initrd and ram devices)

    Getting a VFS: Cannot open root device "ram0" or 01:00 after booting with new
    kernel (vs prev 2.2.14 kernel)

    Problem when selecting PTY's to 24 instead of 256
    CONFIG_UNIX98_PTY_COUNT=24
    Still creates 256 PTY's

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