Re: PROBLEM: 2.6.19 + highmem = BUG at do_wp_page

From: Sami Farin
Date: Fri Dec 29 2006 - 16:51:18 EST


On Tue, Dec 12, 2006 at 15:10:56 -0500, Chuck Ebbert wrote:
> In-Reply-To: <20061205172512.GA5518@xxxxxxxxxxxxxxx>
>
> On Tue, 5 Dec 2006 19:25:13 +0200, Sami Farin wrote:
>
> > BUG: unable to handle kernel paging request at virtual address fffb9dc0
>
> > eax: fffb8000 ebx: fffb9000 ecx: 00000090 edx: 00000000
> > esi: fffb9dc0 edi: fffb8dc0 ebp: f6f89f24 esp: f6f89ef0
>
> 1f: 89 de mov %ebx,%esi
> 21: b9 00 04 00 00 mov $0x400,%ecx
> 26: 89 45 cc mov %eax,0xffffffcc(%ebp)
> 29: 89 c7 mov %eax,%edi
>
> 0: f3 a5 repz movsl %ds:(%esi),%es:(%edi) <=====
>
> Processor started to copy a page, then with 576 bytes left to copy
> the source page got unmapped. Nice.
>
> This possibly happened during a device interrupt. What does
> /proc/interrupts say?

My system now works with HIGHMEM (got 103 MB extra mem for use).

I Fixedâ this by nuking crypto API out of the fortuna patch
and including my own functions...

$ cat /proc/sys/kernel/random/cipher_algo
Snuffle 2005

hehe..

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