Re: Panic when starting X with Intel KMS

From: Gustau Pérez i Querol <gperez_at_entel.upc.edu>
Date: Mon, 22 Jul 2013 21:38:55 +0200
Al 22/07/2013 13:19, En/na Konstantin Belousov ha escrit:
> On Mon, Jul 22, 2013 at 12:43:56PM +0200, Gustau P??rez i Querol wrote:
>>>> As a blind shot, try to
>>>> revert r252653.
>>      r252652 works OK. r252653 panics.
> What if, instead of reverting r252653, apply the following:
>
> diff --git a/sys/vm/vm_phys.c b/sys/vm/vm_phys.c
> index 66f3b0c..78f07f7 100644
> --- a/sys/vm/vm_phys.c
> +++ b/sys/vm/vm_phys.c
> _at__at_ -547,6 +547,8 _at__at_ vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end,
>   	pi = atop(start);
>   	if (pi >= first_page && atop(end) < vm_page_array_size) {
>   		fp = &vm_page_array[pi - first_page];
> +		for (i = 0; i < page_count; i++)
> +			fp[i].flags = 0;
>   		malloced = FALSE;
>   	} else
>   #endif
>
> ?

    After applying the patch the system panics for the same reason and 
the KASSERT didn't evaluate like before. The count now when the system 
panics seem to have been overflowed again, you can find the core at:

      https://dl.dropboxusercontent.com/u/2094962/core.txt.6







-- 
    Salut i força,

    Gustau

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O O O Gustau Pérez i Querol
O O O Unitat de Gestió dels departaments
O O O Matemàtica Aplicada IV i Enginyeria Telemàtica

       Universitat Politècnica de Catalunya
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Received on Mon Jul 22 2013 - 17:39:01 UTC

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