Hi Andreas, No reason at all. We do however sometimes boot O3 to test whether our custom changes work as expected. We ran into this bug during one of those tests.
On Thu, Feb 5, 2015 at 11:51 AM, Andreas Hansson <[email protected]> wrote: > Hi all, > > Checkpointing is not part of the regressions unfortunately, but is used > heavily. Note though that most users of the checkpointing are running with > atomic or KVM to drop the checkpoints, and resume with Minor or the O3CPU. > Why are you taking checkpoints with the o3? (I’m not saying we shouldn’t > fix it, it just doesn’t seem like the most urgent issue). > > Thanks, > > Andreas > > From: Rizwana Begum via gem5-users <[email protected]> > Reply-To: Rizwana Begum <[email protected]>, gem5 users mailing list < > [email protected]> > Date: Thursday, 5 February 2015 16:27 > To: Guru Prasad <[email protected]>, gem5 users mailing list < > [email protected]> > Subject: Re: [gem5-users] [arm_detailed] Assertion failure > > Hello All, > > I have similar issue. Taking checkpoints with arm_detailed CPU results > in error from o3 cpu. I believe regression tests don't test for checkpoints > (atleast the documentation here http://www.m5sim.org/Commit_Access says > so). Is anyone else having this issue? > > Thank you, > -Rizwana > > On Tue, Feb 3, 2015 at 4:11 PM, Guru Prasad via gem5-users < > [email protected]> wrote: > >> Hi, >> >> I've run into an assertion error while checkpointing with the >> 'arm_detailed' CPU. >> I'm using the provided linux-aarch32-ael.img with kernel compiled from >> master branch of linux-linaro-tracking-gem5. >> >> gem5.opt: build/ARM/cpu/o3/fetch_impl.hh:989: bool >> DefaultFetch<Impl>::checkSignalsAndUpdate(ThreadID) [with Impl = O3CPUImpl; >> ThreadID = short int]: Assertion `stalls[tid].decode' failed. >> Program aborted at cycle 140515358487500 >> >> Infact, I believe this issue has been around for a little while, since >> this issue was occurring with my old revision of gem5. >> My previous base was at commit '1c9d5d9417b35e002d65c3eb329b372fd2320055'. >> >> >> Regards >> Guru >> >> >> _______________________________________________ >> gem5-users mailing list >> [email protected] >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > > > -- IMPORTANT NOTICE: The contents of this email and any attachments are > confidential and may also be privileged. If you are not the intended > recipient, please notify the sender immediately and do not disclose the > contents to any other person, use it for any purpose, or store or copy the > information in any medium. Thank you. > > ARM Limited, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2557590 > ARM Holdings plc, Registered office 110 Fulbourn Road, Cambridge CB1 9NJ, > Registered in England & Wales, Company No: 2548782 >
_______________________________________________ gem5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
