Re: pci 0000:01:00.0: BAR 0: can't allocate resource

From: H. Peter Anvin
Date: Mon Feb 23 2009 - 02:33:32 EST


Linus Torvalds wrote:
>
> On Sun, 22 Feb 2009, George Rapp wrote:
>> In case the attachments don't survive Gmail, dmesg output is at
>> http://novia.net/~gwr/dmesg_2.6.29-0.33.rc5, and output of 'lspci -vv' is at
>> http://novia.net/~gwr/lspci-vv_2.6.29-0.33.rc5
>
> Can you also show the contents of /proc/iomem?
>
> It does look like it's this one:
>
> pci 0000:01:00.0: BAR 0: can't allocate mem resource [0xe0000000-0xe7ffffff]
>
> and the problem is that the kernel cannot find enough space to map the
> required 128MB region for the graphics aperture.
>

Which makes sense on 32 bits, since by default the entire vmalloc region
is only 128 MB in size.

Booting with vmalloc=256M or something like that might help.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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