Re: [gem5-users] gem5 checkpoint - Checkpoint not found

[Jasmin Jahic]

Thank you! The "-r 1" did the trick. I though that I need to specify the
tick number.

Regards,
Jasmin

On Mon, Sep 19, 2016 at 12:45 PM, Oscar Rosell 
wrote:

> Hi,
>
> I think (but not sure) that "-r 135051211305000" is wrong. If you have the
> checkpoint in the directory where you are running the command and there's
> only 1 checkpoint there try "-r 1". There's a parameter to change the
> directory where the checkpoint is located (--checkpoint-dir).
>
> Thanks,
>
> Oscar Rosell - Metempsy
>
>
>  On Mon, 19 Sep 2016 09:56:19 +0100 *Jasmin Jahic
> >*wrote 
>
> Hello,
>
> I am trying to work with the checkpoints. I have followed instructions at
> http://www.m5sim.org/Checkpoints.
>
> I make a checkpoint using m5 checkpoint, from telnet console. The
> checkpoint is stored in m5out.
>
> Then I try to start the gem5 using the checkpoint:
> build/X86/gem5.opt configs/example/fs.py -r 135051211305000
> --mem-size=512MB --kernel=x86_64-vmlinux-2.6.22.9 --disk-image=linux-.img
>
> However, I receive an error:
> fatal: Checkpoint 135051211305000 not found
>
> Do you perhaps have any idea what could be the problem? Maybe I should set
> some system path?
>
> Best regards,
> Jasmin
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>
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Re: [gem5-users] ARM config error

[Fernando Endo]

Hi,

As the error says, there is a stat config being initialized with negative
values, which are forbidden. Try to run:

gdb --args $GEM5_COMMAND_LINE
run
bt

to see where the error comes from.

Regards,

--
Fernando A. Endo, Post-doc

INRIA Rennes-Bretagne Atlantique
France


2016-09-13 16:45 GMT+02:00 Jason Lowe-Power :

> Hi Anouar,
>
> I'm not sure what's going wrong. I would run gem5.debug in a debugger and
> trace back where the stat is being defined that is causing the error. It's
> likely that you didn't instantiate some object that some other object
> expects.
>
> Note: the simple scripts in the Learning gem5 book were built for x86, so
> you may need to make some modifications to get them to work on ARM.
>
> Cheers,
> Jason
>
> On Tue, Sep 13, 2016 at 9:26 AM anoir nechi  wrote:
>
>>
>>
>> *Hi *
>> *I'm trying to write a simple configuration script for ARM Like so:*
>>
>> import m5
>> from m5.objects import *
>>
>> T1=System()
>>
>> T1.clk_domain = SrcClockDomain()
>> T1.clk_domain.clock = '1GHz'
>> T1.clk_domain.voltage_domain = VoltageDomain()
>>
>> T1.mem_mode = 'timing'
>> T1.mem_ranges = [AddrRange('512MB')]
>>
>> T1.mem_mode = 'timing'
>> T1.mem_ranges = [AddrRange('512MB')]
>>
>> T1.cpu = DerivO3CPU()
>>
>> T1.membus = SystemXBar()
>> T1.cpu.icache_port = T1.membus.slave
>> T1.cpu.dcache_port = T1.membus.slave
>>
>>
>> T1.cpu.createInterruptController()
>>
>> T1.system_port = T1.membus.slave
>>
>> process = LiveProcess()
>> process.cmd = ['tests/test-progs/hello/bin/arm/linux/hello']
>> T1.cpu.workload = process
>> T1.cpu.createThreads()
>> root = Root(full_system = False, system = T1)
>> m5.instantiate()
>> print 'Exiting @ tick %i because %s' % (m5.curTick(),
>> exit_event.getCause())
>>
>> *But when i try to run ot i get this error message:*
>>
>> *gem5.opt: build/ARM/base/statistics.hh:1251: Derived&
>> Stats::Vector2dBase::init(Stats::size_type,
>> Stats::size_type) [with Derived = Stats::Vector2d, Stor = Stats::StatStor,
>> Stats::size_type = unsigned int]: Assertion `_x > 0 && _y > 0 && "sizes
>> must be positive!"' failed.*
>>
>> *Can someone explain to me what's wrong please and how can i fix it
>> pleease?*
>>
>> *Thank you*
>>
>> --
>> *Anouar NECHI*
>> *IT Engineer : Industrial systems*
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>
>
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Re: [gem5-users] gem5 checkpoint - Checkpoint not found

[Oscar Rosell]

Hi,



I think (but not sure) that "-r 135051211305000" is wrong. If you have the 
checkpoint in the directory where you are running the command and there's only 
1 checkpoint there try "-r 1". There's a parameter to change the directory 
where the checkpoint is located (--checkpoint-dir).



Thanks,


Oscar Rosell - Metempsy





 On Mon, 19 Sep 2016 09:56:19 +0100 Jasmin Jahic 
jasmin.ja...@gmail.comwrote  




Hello,



I am trying to work with the checkpoints. I have followed instructions at 
http://www.m5sim.org/Checkpoints. 



I make a checkpoint using m5 checkpoint, from telnet console. The checkpoint is 
stored in m5out. 



Then I try to start the gem5 using the checkpoint:

build/X86/gem5.opt configs/example/fs.py -r 135051211305000 --mem-size=512MB 
--kernel=x86_64-vmlinux-2.6.22.9 --disk-image=linux-.img



However, I receive an error:

fatal: Checkpoint 135051211305000 not found



Do you perhaps have any idea what could be the problem? Maybe I should set some 
system path?



Best regards,

Jasmin



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Re: [gem5-users] gem5 checkpoint - Checkpoint not found

[Ferran Olid]

Hi Jasmin,

Try to run fs.py adding the path to the checkpoint directory (m5out by 
default, but just in case) and using "-r 1" and not "-r 
135051211305000"; I think that, when using "-r n", gem5 tries to find 
the nth checkpoint stored in the directory, so in your case it is trying 
to run the checkpoint number 135051211305000 in the directory, and since 
there is probably one (or few) checkpoints there, it throws that error.



Cheers,

Ferran O.

On 19/09/16 10:56, Jasmin Jahic wrote:

Hello,

I am trying to work with the checkpoints. I have followed instructions 
at http://www.m5sim.org/Checkpoints.


I make a checkpoint using m5 checkpoint, from telnet console. The 
checkpoint is stored in m5out.


Then I try to start the gem5 using the checkpoint:
build/X86/gem5.opt configs/example/fs.py -r 135051211305000 
--mem-size=512MB --kernel=x86_64-vmlinux-2.6.22.9 --disk-image=linux-.img


However, I receive an error:
fatal: Checkpoint 135051211305000 not found

Do you perhaps have any idea what could be the problem? Maybe I should 
set some system path?


Best regards,
Jasmin


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[gem5-users] gem5 checkpoint - Checkpoint not found

[Jasmin Jahic]

Hello,

I am trying to work with the checkpoints. I have followed instructions at
http://www.m5sim.org/Checkpoints.

I make a checkpoint using m5 checkpoint, from telnet console. The
checkpoint is stored in m5out.

Then I try to start the gem5 using the checkpoint:
build/X86/gem5.opt configs/example/fs.py -r 135051211305000
--mem-size=512MB --kernel=x86_64-vmlinux-2.6.22.9 --disk-image=linux-.img

However, I receive an error:
fatal: Checkpoint 135051211305000 not found

Do you perhaps have any idea what could be the problem? Maybe I should set
some system path?

Best regards,
Jasmin
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