Magnus Damm wrote:
[snip]
>>
>> I tested on 2.6.21-rc3 with DEBUG_VM turned on. The vanilla 2.6.21-rc3
>> without Nan-hai's patch, panicked on bugcheck on free_initmem->free_page
>> as predicted. We still need this patch.
>
> Ok, thanks for testing. =)
>
>> However, the zero-size vmcore problem is back on SN. But that is a
>> dfiffernet problem.
>
> Argh, more problems...
I found the problem. It was the "elfcorehdr" introduced in 2.6.21-rc1.
Without specifying it, the elfcorehdr_addr is initialized to
ELFCORE_ADDR_MAX. Later, a check in reserve_elfcorehdr will fail:
if (elfcorehdr_addr >= ELFCORE_ADDR_MAX)
return -EINVAL;
Is it supposed to be a physical address to store elf core header?
If so, it is not possible for SN to provide a physical address at
boot time, just like in the case of [EMAIL PROTECTED] where Y is not used.
Thanks,
- jay
>
> / magnus
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