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Re: grub2 not able to boot 1G size of linux iso file

From: Ramakrishna Maladi (rmaladi)
Subject: Re: grub2 not able to boot 1G size of linux iso file
Date: Sun, 17 Jan 2016 22:36:02 +0000
User-agent: Microsoft-MacOutlook/

  Is there a way to allocate memory which is above 4G for initrd.img in

On 1/10/16, 12:20 AM, "address@hidden on
behalf of Ramakrishna Maladi (rmaladi)"
<address@hidden on behalf of
address@hidden> wrote:

>set default=0
>serial --unit=0 --speed=51200
>terminal_input console
>terminal_output serial
>set timeout=5
>menuentry "System Install OS" {
>        echo "Booting from USB.."
>        loopback loop /myimage.iso
>        set root=(loop)
>        echo "Loading Kernel.."
>        linux (loop)/boot/bzImage root=/dev/ram install=/dev/sda
>console=ttyS0,38400 prod=1 address@hidden bigphysarea=10M quiet
>pci=assign-busses noissu aer=off pci=hpmemsize=0M,hpiosize=0
>        echo "Loading initrd.."
>        initrd (loop)/boot/initrd.img
>On 1/9/16, 11:49 PM, "Andrei Borzenkov" <address@hidden> wrote:
>>10.01.2016 08:11, Ramakrishna Maladi (rmaladi) пишет:
>>> Friends,
>>>   On broad well-DE intel CPU chipset when I run grub2.0 to load my
>>>linux (Windriver destro of) iso file 1.2G, I am seeing an exception
>>>   Would it be the EFI boot sevices issue in BIOS or an known issue on
>>>grub2.0 ?
>>>   Could you pls point me if there is a patch I need to take in grub2.0?
>>>I have grub2.0 source of 2014.
>>> error: unsupported serial port speed.
>>> error: terminal `serial' isn't found.
>>> GNU GRUB version 2.00
>>> Press F2 to goto grub Menu..
>>> Booting from USB..
>>> Loading Kernel..
>>> loader/i386/linux.c:535: prot_mode_mem = 2000000, prot_mode_target =
>>> prot_size = 124a000
>>> loader/i386/linux.c:1225: bzImage, setup=0x3c00, size=0x124a000
>>> Loading initrd..
>>> loader/i386/linux.c:1440: linux cmd agrc = 1
>>> loader/i386/linux.c:1444: argv[0]: (loop)/boot/initrd.img
>>> ERROR: Class:3000000; Subclass:50000; Operation: 6
>>I do not see such error string in current GRUB sources at all. Could you
>>attach grub.cfg, otherwise we have no idea what your ISO does.
>Help-grub mailing list

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