OK. Could you please tell me which patches are there? In the review board there are quite a lot of new patches waiting for review.
I can apply those patches myself and do a quick test. Thanks. -- Best Regards Yan Zi On 27 Aug 2014, at 13:56, Andreas Hansson wrote: > Hi Yan, > > I would suspect this is due to a bug in the X86 O3 CPU. There have been > quite a few fixes posted on the review board for similar issues. I hope to > have these committed in the next week or so. > > Andreas > > > On 27/08/2014 18:02, "Zi Yan via gem5-users" <gem5-users@gem5.org> wrote: > >> Hi all, >> >> I am running kmeans via hadoop in gem5 X86 FS mode. I am using >> linux kernel 3.2.60 with configuration file linux-2.6.28.4 from >> gem5.org. >> >> I take a checkpoint before a map task and put a "m5 exit" after the map >> task. >> I am using *X86kvmCPU* to take checkpoints. >> >> When I restore from the same checkpoint, atomic CPU and O3 CPU give me >> quite different executed instructions: >> 1) atomic CPU executes about 350 million instructions, reaches "m5 exit", >> then stops simulation. >> 2) O3 CPU executes more than 12 billion instructions, and still not >> reaches >> "m5 exit" to stop the simulation. >> >> I dump out committed PCs from atomic CPU and O3 CPU, finding out that >> after about 500,000 instructions, the systems behave differently, >> where atomic CPU is still executing user code, but O3 CPU switch to >> apic_timer_interrupt(a kernel function, it also appears in atomic CPU >> execution, but somewhere else). >> >> Could anyone please give some advice about why this happen? >> >> Thanks. >> >> -- >> Best Regards >> Yan Zi > > > -- 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
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