Re: kdump broken on 2.6.37-rc4

From: Yinghai
Date: Thu Dec 16 2010 - 23:01:08 EST


Please don't do that to 64 bit

My big system with 1024g memory and a lot of cards with rhel 6 to make kdump work must have crashkernel=512m and second kernel need to take pci=nomsi

Thanks

On Dec 16, 2010, at 7:31 PM, "H. Peter Anvin" <hpa@xxxxxxxxx> wrote:

> On 12/15/2010 08:29 PM, Yinghai Lu wrote:
>> please check
>>
>> [PATCH] x86, crashkernel, 32bit: only try to get range under 512M
>>
>> Steanishlaw report kdump is 32bit is broken.
>>
>> in misc.c for decompresser, it will do sanity checking to make sure heap
>> heap under 512M.
>>
>> So limit it in first kernel under 512M for 32bit system.
>>
>> Reported-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
>> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
>>
>> ---
>> arch/x86/kernel/setup.c | 14 +++++++++++++-
>> 1 file changed, 13 insertions(+), 1 deletion(-)
>>
>
> I'd like to apply a modified version of this patch (attached.)
>
> Ack/nak, people?
>
> -hpa
> <0001-x86-kexec-Limit-the-crashkernel-address-to-512-MiB.patch>
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