Hi Joel,
Thanks for the reply. It helps a lot.
On Thu, Nov 29, 2012 at 2:20 PM, Joel Hestness <[email protected]> wrote:
> Hi Tianyun,
> I was having this same trouble a few weeks ago, and I should be freed up
> to try and debug it in the next few days. From what I could find, this
> appears to be a bug in the IDE controller. First, since IDE controllers
> only allowed for 2 channels, that limits the simulated system to 2 master
> and 2 slave disks. However, it looks like the IDE controller device
> doesn't correctly recognize master vs. slave drives (I am running x86 also,
> which might be part of the problem), so this limits the system to 2 master
> disks concurrently in the simulated system.
>
> While I'm taking a look, if the benchmarks you are running do not
> require an excessive about of simulated memory, I'd recommend that you
> remove the swap disk from the south bridge disks array like so:
>
> disk0 = CowIdeDisk(driveID='master')
> disk2 = CowIdeDisk(driveID='master')
> disk4 = CowIdeDisk(driveID='master')
> disk0.childImage(mdesc.disk())
> disk2.childImage(disk('linux-bigswap2.img'))
> disk4.childImage(disk('test.img'))
> * self.pc.south_bridge.ide.disks = [disk0, disk4]*
>
> Will keep you posted. Hope this helps,
> Joel
>
>
>
>
> On Thu, Nov 29, 2012 at 11:59 AM, Tianyun Zhang <[email protected]>wrote:
>
>> Hi,
>>
>> I made a new disk image by "./gem5img.py init test.image 500" and I
>> change the FSConfig.py by add in makeX86System as
>> # Disks
>> disk0 = CowIdeDisk(driveID='master')
>> disk2 = CowIdeDisk(driveID='master')
>> disk4 = CowIdeDisk(driveID='master')
>> disk0.childImage(mdesc.disk())
>> disk2.childImage(disk('linux-bigswap2.img'))
>> disk4.childImage(disk('test.img'))
>> self.pc.south_bridge.ide.disks = [disk0, disk2, disk4]
>>
>> But when I boot the system, it hangs here forever. Seems like it can not
>> boot the new disk.
>> piix 0000:00:04.0: not 100% native mode: will probe irqs later
>> ide0: BM-DMA at 0x1000-0x1007
>> ide1: BM-DMA at 0x1008-0x100f
>> hda: M5 IDE Disk, ATA DISK drive
>> hdb: M5 IDE Disk, ATA DISK drive
>> hda: UDMA/33 mode selected
>> hdb: UDMA/33 mode selected
>> hdc: M5 IDE Disk, ATA DISK drive
>> hdc: UDMA/33 mode selected
>> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
>> isa bounce pool size: 16 pages
>> ide1 at 0x170-0x177,0x376 on irq 15
>> ide_generic: please use "probe_mask=0x3f" module parameter for probing
>> all legac
>> y ISA IDE ports
>> ide-gd driver 1.18
>> hda: max request size: 128KiB
>> hda: 1048320 sectors (536 MB), CHS=1040/16/63
>> hda: hda1
>> hdb: max request size: 128KiB
>> hdb: 4177920 sectors (2139 MB), CHS=4144/16/63
>> hdb: unknown partition table
>> hdc: max request size: 128KiB
>> hdc: 1048320 sectors (536 MB), CHS=1040/16/63
>> hdc:
>>
>> Can anyone give some hints about it? Thanks you so much.
>>
>> -Best
>>
>> _______________________________________________
>> gem5-users mailing list
>> [email protected]
>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>>
>
>
>
> --
> Joel Hestness
> PhD Student, Computer Architecture
> Dept. of Computer Science, University of Wisconsin - Madison
> http://www.cs.utexas.edu/~hestness
>
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>
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