Thanks Nilay! I will try out gem5.fast.

Also, is it expected to not find the ACPI System Description tables? I do
see some code in x86 that does add the acpi tables ?

Regards,
Ankita

On Wed, Jan 11, 2012 at 12:13 AM, Nilay Vaish <[email protected]> wrote:

> I think two hours is resonable amount of time with gem5.opt. You can use
> gem5.fast to go faster. Since gem5 is currently a single threaded process,
> so the number of cores on the machine on which you running gem5, does not
> matter as such.
>
> --
> Nilay
>
>
> On Wed, 11 Jan 2012, Ankita (Garg) Goel wrote:
>
>  Sorry for the bump up, but could someone please help me regarding the
>> large
>> boot-up time in X86_FS mode ? The place where it seems to get stuck for a
>> long time is:
>>
>> ACPI: Core revision 20070126
>> ACPI Exception (tbxface-0618): AE_NO_ACPI_TABLES, While loading namespace
>> from ACPI tables [20070126]
>> ACPI: Unable to load the System Description Tables
>> .. followed by another long wait time after this line: Using local APIC
>> timer interrupts.
>>
>> Any thoughts ?
>>
>> Regards,
>> Ankita
>>
>> On Sun, Jan 8, 2012 at 3:02 PM, Ankita (Garg) Goel <[email protected]
>> >wrote:
>>
>>  Hi,
>>>
>>> Anyone has any thoughts on the time taken to boot X86_FS with detailed
>>> mode ? It is currently taking me almost 2 hours. Whereas, alpha_fs is
>>> much
>>> faster.. about 10 minutes. Is this the expected behavior ? Also, as
>>> mentioned in my previous email, I am running the simulation on a server
>>> that has over 32GB RAM and about 24 cores.
>>>
>>> Any ideas on how I could improve the boot time ?
>>>
>>> Regards,
>>> Ankita
>>>
>>>
>>> On Sat, Dec 24, 2011 at 1:29 AM, Ankita (Garg) Goel <
>>> [email protected]>wrote:
>>>
>>>  I did try to increase the size of RAM as well. Also, I am running the
>>>> simulation on a server machine that has around 24 cores and a large
>>>> amount
>>>> of RAM.
>>>>
>>>>
>>>> On Fri, Dec 23, 2011 at 11:59 PM, Ankita (Garg) Goel <
>>>> [email protected]> wrote:
>>>>
>>>>  Hi,
>>>>>
>>>>> I am trying to boot the pre-built 2.6.22.9 linux binary available from
>>>>> the download page with  X86_FS in detailed mode using the following
>>>>> commandline:
>>>>>
>>>>> # build/X86_FS/gem5.opt config/example/fs.py -d --caches --l2cache
>>>>>
>>>>> It takes about 2hrs for the system to boot-up ? Is this expected with
>>>>> x86_fs ? However, the non-detailed boot is pretty fast. With ALPHA_FS,
>>>>> even
>>>>> the  detailed mode boot is quite fast. Anything I need to change in my
>>>>> configuration ?
>>>>>
>>>>> Thanks for your help!
>>>>>
>>>>> --
>>>>> Regards,
>>>>> Ankita
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>> --
>>>> Regards,
>>>> Ankita
>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> Regards,
>>> Ankita
>>>
>>>
>>>
>>>
>>
>> --
>> Regards,
>> Ankita
>>
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-- 
Regards,
Ankita
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