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xen-ia64-devel
Re: [Xen-ia64-devel] Re: [PATCH] fix the ia64 p2m semantic
You (yamahata) said:
>> I've checked this patch on the latest change set(cs:14513).
>>
>> It occured hypervisor crash at that xen-platform.ko was inserted.
>> And, hypervisor said as follow:
>
> Thank you for testing.
> Do you have stack trace at the crash?
I don't have the stack trace in the console log.
> page->count_info == PGC_allocated | 1?
You are right!! The page->count_info value is 0x80000001 at the crash.
> If so, the BUG_ON() is bogus. Probably it should be something like
> BUG_ON(page->count_info != 1 && page->count_info != (PGC_allocated | 1)).
BUG_ON((page->count_info & PGC_count_mask) != 1) is better, I think.
Thanks,
- Tsunehisa Doi
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