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xen-devel
Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit
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To: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Subject: |
Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support |
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From: |
Ingo Molnar <mingo@xxxxxxx> |
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Date: |
Fri, 27 Jun 2008 17:56:56 +0200 |
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Cc: |
Nick Piggin <npiggin@xxxxxxx>, Mark McLoughlin <markmc@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Eduardo Habkost <ehabkost@xxxxxxxxxx>, Vegard Nossum <vegard.nossum@xxxxxxxxx>, Stephen Tweedie <sct@xxxxxxxxxx>, x86@xxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Yinghai Lu <yhlu.kernel@xxxxxxxxx> |
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Fri, 27 Jun 2008 08:59:28 -0700 |
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<patchbomb.1214367536@localhost> <20080625084253.GA11524@xxxxxxx> <20080625152212.GA3442@xxxxxxx> <4862A6A9.1030109@xxxxxxxx> <20080626105722.GA12640@xxxxxxx> <20080626105818.GA13805@xxxxxxx> <4863A8E6.1010807@xxxxxxxx> |
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Mutt/1.5.18 (2008-05-17) |
* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
> Ingo Molnar wrote:
>> * Ingo Molnar <mingo@xxxxxxx> wrote:
>>
>>
>>> that fixed the build but now we've got a boot crash with this config:
>>>
>>
>> plus -tip auto-testing found another build failure with:
>>
>> http://redhat.com/~mingo/misc/config-Thu_Jun_26_12_46_46_CEST_2008.bad
>>
>> arch/x86/kernel/entry_64.S: Assembler messages:
>> arch/x86/kernel/entry_64.S:1201: Error: invalid character '_' in mnemonic
>> arch/x86/kernel/entry_64.S:1205: Error: invalid character '_' in mnemonic
>> arch/x86/kernel/entry_64.S:1209: Error: invalid character '_' in mnemonic
>> arch/x86/kernel/entry_64.S:1213: Error: invalid character '_' in mnemonic
>>
>>
>
> I'm confused. How did this config both crash and not build?
i'm testing on multiple systems in parallel, each is running randconfig
kernels. One 64-bit system found a build bug, the other one found a boot
crash.
This can happen if certain configs build fine (but crash), certain
configs dont even build. Each system does a random walk of the config
space.
I've applied your two fixes and i'm re-testing.
Ingo
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