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Re: [Qemu-devel] q35 and ahci
From: |
Alexander Graf |
Subject: |
Re: [Qemu-devel] q35 and ahci |
Date: |
Tue, 3 Jul 2012 20:52:50 +0200 |
On 03.07.2012, at 20:46, Jason Baron wrote:
> On Tue, Jul 03, 2012 at 08:41:29PM +0200, Alexander Graf wrote:
>> On 03.07.2012, at 20:38, Jason Baron wrote:
>>
>>> On Tue, Jul 03, 2012 at 08:25:52PM +0200, Alexander Graf wrote:
>>>> On 03.07.2012, at 18:16, Jason Baron wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Update on q35 testing with various os's.
>>>>>
>>>>> Linux
>>>>> -----
>>>>> -RHEL6.3 installs + runs
>>>>> -Fedora 16 install + runs
>>>>> -Fedora 17 - squashfs errors
>>>>> running on already installed f17 seems ok.
>>>>>
>>>>> Windows
>>>>> -------
>>>>> -W7 - install error:
>>>>>
>>>>> "A required cd/dvd device driver is missing. If you have a
>>>>> driver floppy disk, CD, DVD, or USB flash drive, please insert it now.
>>>>> "
>>>>>
>>>>> Related to the new ahci controller, since if I go back to an
>>>>> ide conroller it keeps going (albeit the install is *very* slow).
>>>>>
>>>>> So I'm wondering if we need an ide compatibility mode? Or perhaps, there
>>>>> are other ideas.
>>>>
>>>> Does it work with AHCI and -M pc? It should. Last time I tried it did at
>>>> least :).
>>>>
>>>>
>>>> Alex
>>>>
>>>>
>>>
>>> Yes, adding the ahci controller to -M pc, I see a disk drive and the
>>> controller show up in the device manager. I read in some of the ahci
>>> commit messages that the cdrom device didn't show up. Did cdrom ever
>>> work with ahci?
>>
>> It did on Linux at least, yes. Does it work on Linux for you?
>>
>
> I meant did a cdrom on the ahci controller configure on windows?
>
> Yes, Linux seems to be happy with the drive and cdrom on the ahci. See
> my above test results. (ich9-ahci is the default controller for q35).
Ah, good. I don't remember tbh. But I suppose since it doesn't work for you,
it's broken :). Do you have time to look into it?
There are a bunch of debug #define's in the ide-core and ahci code that should
be able to point you to where it starts failing. It's probably easiest to take
it slow and find a way to only have the cdrom attached to ahci. Otherwise the
debug output will be full of disk stuff :).
Alex
- [Qemu-devel] q35 and ahci, Jason Baron, 2012/07/03
- Re: [Qemu-devel] q35 and ahci, Alexander Graf, 2012/07/03
- Re: [Qemu-devel] q35 and ahci, Jason Baron, 2012/07/03
- Re: [Qemu-devel] q35 and ahci, Alexander Graf, 2012/07/03
- Re: [Qemu-devel] q35 and ahci, Jason Baron, 2012/07/03
- Re: [Qemu-devel] q35 and ahci,
Alexander Graf <=
- Re: [Qemu-devel] q35 and ahci, Jason Baron, 2012/07/03
- Re: [Qemu-devel] q35 and ahci, Alexander Graf, 2012/07/03
- Re: [Qemu-devel] q35 and ahci, Jason Baron, 2012/07/03
- Re: [Qemu-devel] q35 and ahci, Alexander Graf, 2012/07/04
- Re: [Qemu-devel] q35 and ahci, Jason Baron, 2012/07/05
- Re: [Qemu-devel] q35 and ahci, Alexander Graf, 2012/07/05
- Re: [Qemu-devel] q35 and ahci, Jason Baron, 2012/07/20
- Re: [Qemu-devel] q35 and ahci, Gleb Natapov, 2012/07/22