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Re: [Qemu-devel] [PATCH 3/3] memory: Return -1 again on reads from unsig
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From: |
Jan Kiszka |
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Subject: |
Re: [Qemu-devel] [PATCH 3/3] memory: Return -1 again on reads from unsigned regions |
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Date: |
Mon, 29 Jul 2013 17:01:37 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2013-07-29 16:59, Andreas Färber wrote:
> Am 16.07.2013 17:31, schrieb Paolo Bonzini:
>> From: Jan Kiszka <address@hidden>
>>
>> This restore the behavior prior to b018ddf633 which accidentally changed
>> the return code to 0. Specifically guests probing for register existence
>> were affected by this.
>>
>> Signed-off-by: Jan Kiszka <address@hidden>
>> Signed-off-by: Paolo Bonzini <address@hidden>
>
> Unfortunately this negatively affects PReP: OpenHack'Ware booting Debian
> Etch prints:
>
> ERROR: WIN_READ_NATIVE_MAX : status 50 != 0x40
>
> It does continue if one is patient enough.
> No problems before this commit.
>
> Any ideas, except that OHW may be doing Bad Things?
Which accesses return different results now, PIO or MMIO? What did they
return prior to b018ddf633?
Jan
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