Re: [Xen-devel] [PATCH] let XEN depend on PAE

[Arnd Hannemann <hannemann@xxxxxxxxxxxxxxxxxxx>]

Arnd Hannemann wrote:
> Jeremy Fitzhardinge wrote:
>> Arnd Hannemann wrote:
>>> This is with 2.6.24.2, but latest-git looks the same:
>>> I also tried with 2.6.23 which crashes instantly, without any output
>>> of the guest.
>>>   
>> I'm not too surprised.  Non-PAE Xen is a bit of a rarity, and it only
>> gets tested rarely.  Chris Wright did spend some time on it a while ago,
>> but I don't know that its had any real attention since.  I've been
>> making sure non-PAE compiles, but I've been lax about testing it.
>> This is the first usermode exec, I guess?  The backtrace is a bit odd;
>> I've never seen a problem in move_page_tables before.
> 
> Yes its trying to execute the first script in initramfs, I also tried with 
> initramdisk
> and got a similar error. (move_page_tables also involved)
> 
>> Does "xm dmesg" tell you what Xen is complaining about?  You may need to
>> compile with debug=y in Config.mk.
> 
> (XEN) mm.c:645:d44 Non-privileged (44) attempt to map I/O space 00000000
> 
> I will recompile with debug=y and post the output.

I recompiled with debug=y but no more information than above message...

[snip]

Arnd


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