If the problem results from resuming from a checkpoint, I'd guess that
there's something still wrong with the serialization code.  Try to
figure out where that address came from (turn on ExecTrace and search
for the address, then break on that cycle and figure out where it
comes from), and my guess is that something got stored incorrectly in
the checkpoint.  It's also worthwhile to figure out what that address
actually translates to.  I.e. which device register it seems to
represent.

One very quick guess (and I don't know anything about this) is that
bmiAddr and bmiSize were not serialized.  It seems that maybe they
should be.

  Nate

On Tue, Dec 9, 2008 at 1:50 PM, Rick Strong <[EMAIL PROTECTED]> wrote:
> Hi,
>
> After resuming a checkpoint, I keep getting the same panic for any
> bechmark I try:
> panic: IDE controller access to invalid address: 0x801fc008016
> [dispatchAccess:/home/rstrong/build/m5powerfs/build/ALPHA_FS/dev/ide_ctrl.cc,
> line 467]
>
> I know that Gabe has been cleaning this up lately, so any ideas?  I get
> the same error for a simple
> getpid benchmark and subset of parsec that worked fine a week ago.
>
> Best,
> -Rick
>
> Detailed error reports per application. Not very informative, but just
> corroborating the same
> invalid address happens in several applications.
>
> Simple getpid microbenchmark that calls getpid 100 times:
> panic: IDE controller access to invalid address: 0x801fc008016
>
>
> run:parsec_bodytrack:1:10G:dual:ss:mesh:vanilla
>
>    836 panic: IDE controller access to invalid address: 0x801fc008016
>    837  @ cycle 3004894384513
>    838
> [dispatchAccess:/home/rstrong/build/m5powerfs/build/ALPHA_FS/dev/ide_ctrl.cc,
> line 467]
>
> run:parsec_ferret:1:10G:dual:ss:mesh:vanilla
>    524 panic: IDE controller access to invalid address: 0x801fc008016
>    @ cycle 2968677743013
>
> [dispatchAccess:/home/rstrong/build/m5powerfs/build/ALPHA_FS/dev/ide_ctrl.cc,
> line 467]
>
> run:parsec_freqmine:1:10G:dual:ss:mesh:vanilla
>   panic: IDE controller access to invalid address: 0x801fc008016
>    @ cycle 2976949207513
>
> [dispatchAccess:/home/rstrong/build/m5powerfs/build/ALPHA_FS/dev/ide_ctrl.cc,
> line 467]
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