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RE: [Xen-devel] [PATCH] Parallel/Serial/Monitor/pyGRUB ReiserFS/others support/fixes



Hi, Daniel, 
        Could you help to check your patch which is checked in as C/S 20717? 
It seems that VM save/restore/migration and reboot is broken since this 
changeset.

Thanks!
Dongxiao

Daniel Kiper wrote:
> Hello,
> 
>>>>> xen-unstable-hvmloader-strip_20091222.patch:
>>>>>   Strip hvmloader after compile. dh_strip from debhelper
>>>>>   does not strip binaries without execute attribute.
>>>> 
>>>> I don't see the point of doing this. We don't in general strip
>>>> stuff we build under tools/, the extra disc space taken is
>>>> trivial, and symbols can be convenient to have around. I just
>>>>  don't see the win. - Not applying to xen-unstable or xen-3.4
>>> 
>>> Yes, it is the packager's responsibility to take care of this if
>>> they deem it necessary, either manually or by adding +x so that
>>> dh_strip takes care of it.
>> 
>> Actually hvmloader seems to be a+x already, in all my build trees.
> 
> FYI:
> xen-3.4.2/tools/firmware/hvmloader/hvmloader: 0755
> xen-3.4.2/dist/install/usr/lib/xen/boot/hvmloader: 0644
> 
> OK, I agree that this patch break general
> rule and should not be applied.
> 
>>> xen-unstable-parallel-serial-monitor_20091223.patch:
>> 
>> Xend parts look good. The hvmloader parts look unnecessary (since we
>> currently always declare LPT1 present) and dangerous (Windows guests
>> which were installed on old Xen iirc get upset if they later boot
>> and see LTP1 not-present in ACPI tables). There'd need to be a
>>  *good* reason for hiding LTP1 in DSDT therefore. - Partially
>> applied to unstable; not applied to 3.4 
> 
> 1) I think that parallel port configuration should be similar to
>    serial port configuration. With that idea in mind this patch was
>    created (and some code were copied from serial config).
> 2) I tested this patch with Windows Vista Business SP2 and
>    Finnix Ver. 92.1 as a guests and everything worked without
>    any problem.
> 3) I do not like that broken/disabled devices appear in config/device
>    manager without any warning. In this situation disabled LPT1 port
>    appear in Windows Device Manager without any warning. I think it
>    is confusing for users when they see working devices in WDM and
>    they could not use them.
> 4) As I mentioned earlier, all patches (including this one) do not
>    change default behavior of Xen. It means that default QEMU
>    configuration is not changed when parallel option is not specified
>    in config file. If somebody would like to disable LPT1, he/she
>    should have possibility to do that in proper way. I think it is
>    another question that he/she is aware what is he/she doing.
> 
> That is why I think
> xen-unstable-parallel-serial-monitor_20091223.patch patch should be
> fully applied. 
> 
> Daniel Kiper
> 
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