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RE: [Xen-devel] Unknown interrupt on x86_64 Xen on ES7000 x86_64

To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] Unknown interrupt on x86_64 Xen on ES7000 x86_64
From: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
Date: Wed, 10 Aug 2005 11:24:40 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Davis, Jason" <jason.davis@xxxxxxxxxx>, "Magolan, John F" <John.Magolan@xxxxxxxxxx>, "Subrahmanian, Raj" <raj.subrahmanian@xxxxxxxxxx>, "Vessey, Bruce A" <Bruce.Vessey@xxxxxxxxxx>
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Thread-topic: [Xen-devel] Unknown interrupt on x86_64 Xen on ES7000 x86_64
Puthiyaparambil, Aravindh wrote:
> Xen and Dom0 boots successfully on the Dell PowerEdge x86_64 box with
> Keir's new time fix. I did have to comment out the printk as suggested
> by Jun as the serial was getting flooded otherwise.
> Jun, are you going to submit a patch for the map_alloc() function?
> On the ES7000 x86_64 I no longer see the "Assertion 'tsc_elapsed32 !=
> 0'". But the system dies on the error shown at the end of the email.
> This is with changeset 6081 + Jun's map_alloc fix + Jerone's rm_nx
> patch. Any suggestions as to how to proceed?

Can you try to add mem=3g for the xen boot entry?

Intel Open Source Technology Center

> Thanks
> Aravindh
>> -----Original Message-----
>> Try to use old version of arch/x86/time.c, for example, the one
>> attached. You also might want to comment out:
>> asmlinkage int do_page_fault(struct cpu_user_regs *regs) {
>>     ...
>> xen_fault:
>>     if ( likely((fixup = search_exception_table(regs->eip)) != 0) ) 
>>         { perfc_incrc(copy_user_faults);
>>         if ( !shadow_mode_enabled(d) )
>>             //      DPRINTK("Page fault: %p -> %p\n", _p(regs->eip),
>>             _p(fixup)); ;
>>         regs->eip = fixup;
>>         return 0;
>>     }
>> Jun
>> ---
>> Intel Open Source Technology Center

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