Re: [Qemu-devel] [patch] fix scsi-generic

[adq]

On 8 August 2010 14:11, Kevin Wolf <address@hidden> wrote:
> Am 07.08.2010 02:55, schrieb adq:
>> Hi, I've been tracking down why scsi generic devices (using SG_IO)
>> don't work any more. After adding debug, I can see that it actually
>> submits the scsi CDB in hw/scsi-generic.c/execute_command(), but that
>> the hw/scsi-generic.c/scsi_read_complete() callback is never called.
>>
>> This is because these are done with ioctls, and the posix async ioctl
>> code is, I think, broken right now. Some more debugging, led me to
>> posix-aio-compat.c/posix_aio_process_queue():
>>
>>             if (acb->async_context_id != async_context_id) {
>>
>> The async_context_ids don't match, so the request is never handled.
>> This is because the acb->async_context_id field is not initialised in
>> posix-aio-compat.c/paio_ioctl() (compare with
>> posix-aio-compat.c/paio_submit()). The attached patch adds the missing
>> line in.
>>
>> This seems to fix the problem. Of course, /now/ I'm getting other
>> weird problems (as I'm trying to see if I can get slysoft anydvd
>> working in a KVM winXP vm), but they need further investigation and
>> likely other fixes.
>>
>> Please forgive me if I'm mistaken in this, I've only just started
>> looking at the qemu code.
>
> The patch looks correct to me.
>
> Please use git format-patch to generate the patch, so that it contains a
> decent commit message and I can apply it with git am. Also, please don't
> forget the Signed-off-by line, otherwise we can't accept it.

Hi, please find it attached; I've not used format-patch before, hope
this is correct!

0001-Set-the-async_context_id-field-when-queuing-an-async.patch
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