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

[Andrei Borzenkov]

18.01.2016 01:36, Ramakrishna Maladi (rmaladi) пишет:
> Hi
>   Is there a way to allocate memory which is above 4G for initrd.img in
> grub?
>   

It probably depends on platform, on i386-pc memory allocator is
restricted to 4G address space. Why would you need that?

> Thanks,
> Ram
> 
> 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
>> }
>>
>>
>>
>> Thanks,
>> Ram
>>
>> 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 =
>>>> 2000000,
>>>> 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
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/help-grub
>